diff options
Diffstat (limited to 'src/systemc/ext/dt/fx/sc_fxnum.hh')
| -rw-r--r-- | src/systemc/ext/dt/fx/sc_fxnum.hh | 4370 |
1 files changed, 4370 insertions, 0 deletions
diff --git a/src/systemc/ext/dt/fx/sc_fxnum.hh b/src/systemc/ext/dt/fx/sc_fxnum.hh new file mode 100644 index 000000000..1138646f3 --- /dev/null +++ b/src/systemc/ext/dt/fx/sc_fxnum.hh @@ -0,0 +1,4370 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + sc_fxnum.h - + + Original Author: Martin Janssen, Synopsys, Inc. + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +// $Log: sc_fxnum.h,v $ +// Revision 1.5 2011/08/29 18:04:32 acg +// Philipp A. Hartmann: miscellaneous clean ups. +// +// Revision 1.4 2011/08/24 22:05:43 acg +// Torsten Maehne: initialization changes to remove warnings. +// +// Revision 1.3 2011/01/19 18:57:40 acg +// Andy Goodrich: changes for IEEE_1666_2011. +// +// Revision 1.2 2009/03/09 17:26:46 acg +// Andy Goodrich: removed ; from namespace { } +// +// Revision 1.1.1.1 2006/12/15 20:20:04 acg +// SystemC 2.3 +// +// Revision 1.3 2006/01/13 18:53:58 acg +// Andy Goodrich: added $Log command so that CVS comments are reproduced in +// the source. +// + +#ifndef __SYSTEMC_EXT_DT_FX_SC_FXNUM_HH__ +#define __SYSTEMC_EXT_DT_FX_SC_FXNUM_HH__ + +#include <iostream> + +#include "../bit/sc_lv_base.hh" +#include "sc_fxnum_observer.hh" +#include "sc_fxval.hh" +#include "scfx_params.hh" + +namespace sc_core +{ + +class vcd_sc_fxnum_trace; +class vcd_sc_fxnum_fast_trace; +class wif_sc_fxnum_trace; +class wif_sc_fxnum_fast_trace; + +} // namespace sc_core + + +namespace sc_dt +{ + +// classes defined in this module +class sc_fxnum_bitref; +class sc_fxnum_fast_bitref; +class sc_fxnum_subref; +class sc_fxnum_fast_subref; +class sc_fxnum; +class sc_fxnum_fast; + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_bitref +// +// Proxy class for bit-selection in class sc_fxnum, behaves like sc_bit. +// ---------------------------------------------------------------------------- + +class sc_fxnum_bitref +{ + friend class sc_fxnum; + friend class sc_fxnum_fast_bitref; + + bool get() const; + void set(bool); + + // constructor + sc_fxnum_bitref(sc_fxnum &, int); + + public: + // copy constructor + sc_fxnum_bitref(const sc_fxnum_bitref &); + + // assignment operators +#define DECL_ASN_OP_T(op, tp) \ + sc_fxnum_bitref &operator op (tp); + +#define DECL_ASN_OP(op) \ + DECL_ASN_OP_T(op, const sc_fxnum_bitref &) \ + DECL_ASN_OP_T(op, const sc_fxnum_fast_bitref &) \ + DECL_ASN_OP_T(op, const sc_bit &) \ + DECL_ASN_OP_T(op, bool) + + DECL_ASN_OP(=) + + DECL_ASN_OP(&=) + DECL_ASN_OP(|=) + DECL_ASN_OP(^=) + +#undef DECL_ASN_OP_T +#undef DECL_ASN_OP + + // implicit conversion + operator bool() const; + + // print or dump content + void print(::std::ostream & =::std::cout) const; + void scan(::std::istream & =::std::cin); + void dump(::std::ostream & =::std::cout) const; + + private: + sc_fxnum &m_num; + int m_idx; + + private: + // disabled + sc_fxnum_bitref(); +}; + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_fast_bitref +// +// Proxy class for bit-selection in class sc_fxnum_fast, behaves like sc_bit. +// ---------------------------------------------------------------------------- + +class sc_fxnum_fast_bitref +{ + friend class sc_fxnum_fast; + friend class sc_fxnum_bitref; + + bool get() const; + void set(bool); + + // constructor + sc_fxnum_fast_bitref(sc_fxnum_fast &, int); + + public: + // copy constructor + sc_fxnum_fast_bitref(const sc_fxnum_fast_bitref &); + + // assignment operators +#define DECL_ASN_OP_T(op, tp) sc_fxnum_fast_bitref &operator op (tp); + +#define DECL_ASN_OP(op) \ + DECL_ASN_OP_T(op, const sc_fxnum_bitref &) \ + DECL_ASN_OP_T(op, const sc_fxnum_fast_bitref &) \ + DECL_ASN_OP_T(op, const sc_bit &) \ + DECL_ASN_OP_T(op, bool) + + DECL_ASN_OP(=) + + DECL_ASN_OP(&=) + DECL_ASN_OP(|=) + DECL_ASN_OP(^=) + +#undef DECL_ASN_OP_T +#undef DECL_ASN_OP + + // implicit conversion + operator bool() const; + + // print or dump content + void print(::std::ostream & =::std::cout) const; + void scan(::std::istream & =::std::cin); + void dump(::std::ostream & =::std::cout) const; + + private: + sc_fxnum_fast &m_num; + int m_idx; + + private: + // Disabled + sc_fxnum_fast_bitref(); +}; + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_subref +// +// Proxy class for part-selection in class sc_fxnum, +// behaves like sc_bv_base. +// ---------------------------------------------------------------------------- + +class sc_fxnum_subref +{ + friend class sc_fxnum; + friend class sc_fxnum_fast_subref; + + bool get() const; + bool set(); + + // constructor + sc_fxnum_subref(sc_fxnum &, int, int); + + public: + // copy constructor + sc_fxnum_subref(const sc_fxnum_subref &); + + // destructor + ~sc_fxnum_subref(); + + // assignment operators +#define DECL_ASN_OP_T(tp) \ + sc_fxnum_subref &operator = (tp); + + DECL_ASN_OP_T(const sc_fxnum_subref &) + DECL_ASN_OP_T(const sc_fxnum_fast_subref &) + DECL_ASN_OP_T(const sc_bv_base &) + DECL_ASN_OP_T(const sc_lv_base &) + DECL_ASN_OP_T(const char *) + DECL_ASN_OP_T(const bool *) + DECL_ASN_OP_T(const sc_signed &) + DECL_ASN_OP_T(const sc_unsigned &) + DECL_ASN_OP_T(const sc_int_base &) + DECL_ASN_OP_T(const sc_uint_base &) + DECL_ASN_OP_T(int64) + DECL_ASN_OP_T(uint64) + DECL_ASN_OP_T(int) + DECL_ASN_OP_T(unsigned int) + DECL_ASN_OP_T(long) + DECL_ASN_OP_T(unsigned long) + DECL_ASN_OP_T(char) + +#undef DECL_ASN_OP_T + +#define DECL_ASN_OP_T_A(op, tp) \ + sc_fxnum_subref &operator op ## = (tp); + +#define DECL_ASN_OP_A(op) \ + DECL_ASN_OP_T_A(op, const sc_fxnum_subref &) \ + DECL_ASN_OP_T_A(op, const sc_fxnum_fast_subref &) \ + DECL_ASN_OP_T_A(op, const sc_bv_base &) \ + DECL_ASN_OP_T_A(op, const sc_lv_base &) + + DECL_ASN_OP_A( &) + DECL_ASN_OP_A(|) + DECL_ASN_OP_A(^) + +#undef DECL_ASN_OP_T_A +#undef DECL_ASN_OP_A + + // relational operators +#define DECL_REL_OP_T(op, tp) \ + friend bool operator op (const sc_fxnum_subref &, tp); \ + friend bool operator op (tp, const sc_fxnum_subref &); + +#define DECL_REL_OP(op) \ + friend bool operator op (const sc_fxnum_subref &, \ + const sc_fxnum_subref &); \ + friend bool operator op (const sc_fxnum_subref &, \ + const sc_fxnum_fast_subref &); \ + DECL_REL_OP_T(op, const sc_bv_base &) \ + DECL_REL_OP_T(op, const sc_lv_base &) \ + DECL_REL_OP_T(op, const char *) \ + DECL_REL_OP_T(op, const bool *) \ + DECL_REL_OP_T(op, const sc_signed &) \ + DECL_REL_OP_T(op, const sc_unsigned &) \ + DECL_REL_OP_T(op, int) \ + DECL_REL_OP_T(op, unsigned int) \ + DECL_REL_OP_T(op, long) \ + DECL_REL_OP_T(op, unsigned long) + + DECL_REL_OP(==) + DECL_REL_OP(!=) + +#undef DECL_REL_OP_T +#undef DECL_REL_OP + + // reduce functions + bool and_reduce() const; + bool nand_reduce() const; + bool or_reduce() const; + bool nor_reduce() const; + bool xor_reduce() const; + bool xnor_reduce() const; + + // query parameter + int length() const; + + // explicit conversions + int to_int() const; + unsigned int to_uint() const; + long to_long() const; + unsigned long to_ulong() const; + int64 to_int64() const; + uint64 to_uint64() const; + + const std::string to_string() const; + const std::string to_string(sc_numrep) const; + const std::string to_string(sc_numrep, bool) const; + + // implicit conversion + operator sc_bv_base() const; + + // print or dump content + void print(::std::ostream & =::std::cout) const; + void scan(::std::istream & =::std::cin); + void dump(::std::ostream & =::std::cout) const; + + private: + sc_fxnum &m_num; + int m_from; + int m_to; + + sc_bv_base &m_bv; + + private: + // Disabled + sc_fxnum_subref(); +}; + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_fast_subref +// +// Proxy class for part-selection in class sc_fxnum_fast, +// behaves like sc_bv_base. +// ---------------------------------------------------------------------------- + +class sc_fxnum_fast_subref +{ + friend class sc_fxnum_fast; + friend class sc_fxnum_subref; + + bool get() const; + bool set(); + + // constructor + sc_fxnum_fast_subref(sc_fxnum_fast &, int, int); + + public: + // copy constructor + sc_fxnum_fast_subref(const sc_fxnum_fast_subref &); + + // destructor + ~sc_fxnum_fast_subref(); + + // assignment operators +#define DECL_ASN_OP_T(tp) \ + sc_fxnum_fast_subref &operator = (tp); + + DECL_ASN_OP_T(const sc_fxnum_subref &) + DECL_ASN_OP_T(const sc_fxnum_fast_subref &) + DECL_ASN_OP_T(const sc_bv_base &) + DECL_ASN_OP_T(const sc_lv_base &) + DECL_ASN_OP_T(const char *) + DECL_ASN_OP_T(const bool *) + DECL_ASN_OP_T(const sc_signed &) + DECL_ASN_OP_T(const sc_unsigned &) + DECL_ASN_OP_T(const sc_int_base &) + DECL_ASN_OP_T(const sc_uint_base &) + DECL_ASN_OP_T(int64) + DECL_ASN_OP_T(uint64) + DECL_ASN_OP_T(int) + DECL_ASN_OP_T(unsigned int) + DECL_ASN_OP_T(long) + DECL_ASN_OP_T(unsigned long) + DECL_ASN_OP_T(char) + +#undef DECL_ASN_OP_T + +#define DECL_ASN_OP_T_A(op, tp) sc_fxnum_fast_subref &operator op ## = (tp); + +#define DECL_ASN_OP_A(op) \ + DECL_ASN_OP_T_A(op, const sc_fxnum_subref &) \ + DECL_ASN_OP_T_A(op, const sc_fxnum_fast_subref &) \ + DECL_ASN_OP_T_A(op, const sc_bv_base &) \ + DECL_ASN_OP_T_A(op, const sc_lv_base &) + + DECL_ASN_OP_A(&) + DECL_ASN_OP_A(|) + DECL_ASN_OP_A(^) + +#undef DECL_ASN_OP_T_A +#undef DECL_ASN_OP_A + + // relational operators +#define DECL_REL_OP_T(op, tp) \ + friend bool operator op (const sc_fxnum_fast_subref &, tp); \ + friend bool operator op (tp, const sc_fxnum_fast_subref &); + +#define DECL_REL_OP(op) \ + friend bool operator op (const sc_fxnum_fast_subref &, \ + const sc_fxnum_fast_subref &); \ + friend bool operator op (const sc_fxnum_fast_subref &, \ + const sc_fxnum_subref &); \ + DECL_REL_OP_T(op, const sc_bv_base &) \ + DECL_REL_OP_T(op, const sc_lv_base &) \ + DECL_REL_OP_T(op, const char *) \ + DECL_REL_OP_T(op, const bool *) \ + DECL_REL_OP_T(op, const sc_signed &) \ + DECL_REL_OP_T(op, const sc_unsigned &) \ + DECL_REL_OP_T(op, int) \ + DECL_REL_OP_T(op, unsigned int) \ + DECL_REL_OP_T(op, long) \ + DECL_REL_OP_T(op, unsigned long) + + DECL_REL_OP(==) + DECL_REL_OP(!=) + +#undef DECL_REL_OP_T +#undef DECL_REL_OP + + // reduce functions + bool and_reduce() const; + bool nand_reduce() const; + bool or_reduce() const; + bool nor_reduce() const; + bool xor_reduce() const; + bool xnor_reduce() const; + + // query parameter + int length() const; + + // explicit conversions + int to_int() const; + unsigned int to_uint() const; + long to_long() const; + unsigned long to_ulong() const; + int64 to_int64() const; + uint64 to_uint64() const; + + const std::string to_string() const; + const std::string to_string(sc_numrep) const; + const std::string to_string(sc_numrep, bool) const; + + // implicit conversion + operator sc_bv_base() const; + + // print or dump content + void print(::std::ostream & =::std::cout) const; + void scan(::std::istream & =::std::cin); + void dump(::std::ostream & =::std::cout) const; + + private: + sc_fxnum_fast &m_num; + int m_from; + int m_to; + + sc_bv_base &m_bv; + + private: + // Disabled + sc_fxnum_fast_subref(); +}; + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum +// +// Base class for the fixed-point types; arbitrary precision. +// ---------------------------------------------------------------------------- + +class sc_fxnum +{ + friend class sc_fxval; + + friend class sc_fxnum_bitref; + friend class sc_fxnum_subref; + friend class sc_fxnum_fast_bitref; + friend class sc_fxnum_fast_subref; + + friend class sc_core::vcd_sc_fxnum_trace; + friend class sc_core::wif_sc_fxnum_trace; + + protected: + sc_fxnum_observer *observer() const; + + void cast(); + + // constructors + sc_fxnum(const sc_fxtype_params &, sc_enc, const sc_fxcast_switch &, + sc_fxnum_observer *); + +#define DECL_CTOR_T(tp) \ + sc_fxnum(tp, const sc_fxtype_params &, sc_enc, const sc_fxcast_switch &, \ + sc_fxnum_observer *); + + DECL_CTOR_T(int) + DECL_CTOR_T(unsigned int) + DECL_CTOR_T(long) + DECL_CTOR_T(unsigned long) + DECL_CTOR_T(float) + DECL_CTOR_T(double) + DECL_CTOR_T(const char *) + DECL_CTOR_T(const sc_fxval &) + DECL_CTOR_T(const sc_fxval_fast &) + DECL_CTOR_T(const sc_fxnum &) + DECL_CTOR_T(const sc_fxnum_fast &) + + DECL_CTOR_T(int64) + DECL_CTOR_T(uint64) + DECL_CTOR_T(const sc_int_base &) + DECL_CTOR_T(const sc_uint_base &) + DECL_CTOR_T(const sc_signed &) + DECL_CTOR_T(const sc_unsigned &) + +#undef DECL_CTOR_T + + ~sc_fxnum(); + + // internal use only; + const scfx_rep *get_rep() const; + + public: + // unary operators + const sc_fxval operator - () const; + const sc_fxval operator + () const; + + // unary functions + friend void neg(sc_fxval &, const sc_fxnum &); + friend void neg(sc_fxnum &, const sc_fxnum &); + + // binary operators +#define DECL_BIN_OP_T(op, tp) \ + friend const sc_fxval operator op (const sc_fxnum &, tp); \ + friend const sc_fxval operator op (tp, const sc_fxnum &); + +#define DECL_BIN_OP_OTHER(op) \ + DECL_BIN_OP_T(op, int64) \ + DECL_BIN_OP_T(op, uint64) \ + DECL_BIN_OP_T(op, const sc_int_base &) \ + DECL_BIN_OP_T(op, const sc_uint_base &) \ + DECL_BIN_OP_T(op, const sc_signed &) \ + DECL_BIN_OP_T(op, const sc_unsigned &) + +#define DECL_BIN_OP(op, dummy) \ + friend const sc_fxval operator op (const sc_fxnum &, const sc_fxnum &); \ + DECL_BIN_OP_T(op, int) \ + DECL_BIN_OP_T(op, unsigned int) \ + DECL_BIN_OP_T(op, long) \ + DECL_BIN_OP_T(op, unsigned long) \ + DECL_BIN_OP_T(op, float) \ + DECL_BIN_OP_T(op, double) \ + DECL_BIN_OP_T(op, const char *) \ + DECL_BIN_OP_T(op, const sc_fxval &) \ + DECL_BIN_OP_T(op, const sc_fxval_fast &) \ + DECL_BIN_OP_T(op, const sc_fxnum_fast &) \ + DECL_BIN_OP_OTHER(op) + + DECL_BIN_OP(*, mult) + DECL_BIN_OP(+, add) + DECL_BIN_OP(-, sub) +// don't use macros +// DECL_BIN_OP(/, div) + friend const sc_fxval operator / (const sc_fxnum &, const sc_fxnum &); + DECL_BIN_OP_T(/, int) + DECL_BIN_OP_T(/, unsigned int) + DECL_BIN_OP_T(/, long) + DECL_BIN_OP_T(/, unsigned long) + DECL_BIN_OP_T(/, float) + DECL_BIN_OP_T(/, double) + DECL_BIN_OP_T(/, const char *) + DECL_BIN_OP_T(/, const sc_fxval &) + DECL_BIN_OP_T(/, const sc_fxval_fast &) + DECL_BIN_OP_T(/, const sc_fxnum_fast &) +// DECL_BIN_OP_OTHER(op) + + DECL_BIN_OP_T(/, int64) + DECL_BIN_OP_T(/, uint64) + DECL_BIN_OP_T(/, const sc_int_base &) + DECL_BIN_OP_T(/, const sc_uint_base &) + DECL_BIN_OP_T(/, const sc_signed &) + DECL_BIN_OP_T(/, const sc_unsigned &) + +#undef DECL_BIN_OP_T +#undef DECL_BIN_OP_OTHER +#undef DECL_BIN_OP + + friend const sc_fxval operator << (const sc_fxnum &, int); + friend const sc_fxval operator >> (const sc_fxnum &, int); + + // binary functions +#define DECL_BIN_FNC_T(fnc, tp) \ + friend void fnc (sc_fxval &, const sc_fxnum &, tp); \ + friend void fnc (sc_fxval &, tp, const sc_fxnum &); \ + friend void fnc (sc_fxnum &, const sc_fxnum &, tp); \ + friend void fnc (sc_fxnum &, tp, const sc_fxnum &); + +#define DECL_BIN_FNC_OTHER(fnc) \ + DECL_BIN_FNC_T(fnc, int64) \ + DECL_BIN_FNC_T(fnc, uint64) \ + DECL_BIN_FNC_T(fnc, const sc_int_base &) \ + DECL_BIN_FNC_T(fnc, const sc_uint_base &) \ + DECL_BIN_FNC_T(fnc, const sc_signed &) \ + DECL_BIN_FNC_T(fnc, const sc_unsigned &) + +#define DECL_BIN_FNC(fnc) \ + friend void fnc (sc_fxval &, const sc_fxnum &, const sc_fxnum &); \ + friend void fnc (sc_fxnum &, const sc_fxnum &, const sc_fxnum &); \ + DECL_BIN_FNC_T(fnc, int) \ + DECL_BIN_FNC_T(fnc, unsigned int) \ + DECL_BIN_FNC_T(fnc, long) \ + DECL_BIN_FNC_T(fnc, unsigned long) \ + DECL_BIN_FNC_T(fnc, float) \ + DECL_BIN_FNC_T(fnc, double) \ + DECL_BIN_FNC_T(fnc, const char *) \ + DECL_BIN_FNC_T(fnc, const sc_fxval &) \ + DECL_BIN_FNC_T(fnc, const sc_fxval_fast &) \ + DECL_BIN_FNC_T(fnc, const sc_fxnum_fast &) \ + DECL_BIN_FNC_OTHER(fnc) + + DECL_BIN_FNC(mult) + DECL_BIN_FNC(div) + DECL_BIN_FNC(add) + DECL_BIN_FNC(sub) + +#undef DECL_BIN_FNC_T +#undef DECL_BIN_FNC_OTHER +#undef DECL_BIN_FNC + + friend void lshift(sc_fxval &, const sc_fxnum &, int); + friend void rshift(sc_fxval &, const sc_fxnum &, int); + friend void lshift(sc_fxnum &, const sc_fxnum &, int); + friend void rshift(sc_fxnum &, const sc_fxnum &, int); + + // relational (including equality) operators +#define DECL_REL_OP_T(op, tp) \ + friend bool operator op (const sc_fxnum &, tp); \ + friend bool operator op (tp, const sc_fxnum &); + +#define DECL_REL_OP_OTHER(op) \ + DECL_REL_OP_T(op, int64) \ + DECL_REL_OP_T(op, uint64) \ + DECL_REL_OP_T(op, const sc_int_base &) \ + DECL_REL_OP_T(op, const sc_uint_base &) \ + DECL_REL_OP_T(op, const sc_signed &) \ + DECL_REL_OP_T(op, const sc_unsigned &) + +#define DECL_REL_OP(op) \ + friend bool operator op (const sc_fxnum &, const sc_fxnum &); \ + DECL_REL_OP_T(op, int) \ + DECL_REL_OP_T(op, unsigned int) \ + DECL_REL_OP_T(op, long) \ + DECL_REL_OP_T(op, unsigned long) \ + DECL_REL_OP_T(op, float) \ + DECL_REL_OP_T(op, double) \ + DECL_REL_OP_T(op, const char *) \ + DECL_REL_OP_T(op, const sc_fxval &) \ + DECL_REL_OP_T(op, const sc_fxval_fast &) \ + DECL_REL_OP_T(op, const sc_fxnum_fast &) \ + DECL_REL_OP_OTHER(op) + + DECL_REL_OP(<) + DECL_REL_OP(<=) + DECL_REL_OP(>) + DECL_REL_OP(>=) + DECL_REL_OP(==) + DECL_REL_OP(!=) + +#undef DECL_REL_OP_T +#undef DECL_REL_OP_OTHER +#undef DECL_REL_OP + + // assignment operators +#define DECL_ASN_OP_T(op, tp) \ + sc_fxnum &operator op(tp); + +#define DECL_ASN_OP_OTHER(op) \ + DECL_ASN_OP_T(op, int64) \ + DECL_ASN_OP_T(op, uint64) \ + DECL_ASN_OP_T(op, const sc_int_base &) \ + DECL_ASN_OP_T(op, const sc_uint_base &) \ + DECL_ASN_OP_T(op, const sc_signed &) \ + DECL_ASN_OP_T(op, const sc_unsigned &) + +#define DECL_ASN_OP(op) \ + DECL_ASN_OP_T(op, int) \ + DECL_ASN_OP_T(op, unsigned int) \ + DECL_ASN_OP_T(op, long) \ + DECL_ASN_OP_T(op, unsigned long) \ + DECL_ASN_OP_T(op, float) \ + DECL_ASN_OP_T(op, double) \ + DECL_ASN_OP_T(op, const char *) \ + DECL_ASN_OP_T(op, const sc_fxval &) \ + DECL_ASN_OP_T(op, const sc_fxval_fast &) \ + DECL_ASN_OP_T(op, const sc_fxnum &) \ + DECL_ASN_OP_T(op, const sc_fxnum_fast &) \ + DECL_ASN_OP_OTHER(op) + + DECL_ASN_OP(=) + + DECL_ASN_OP(*=) + DECL_ASN_OP(/=) + DECL_ASN_OP(+=) + DECL_ASN_OP(-=) + + DECL_ASN_OP_T(<<=, int) + DECL_ASN_OP_T(>>=, int) + +#undef DECL_ASN_OP_T +#undef DECL_ASN_OP_OTHER +#undef DECL_ASN_OP + + // auto-increment and auto-decrement + const sc_fxval operator ++ (int); + const sc_fxval operator -- (int); + + sc_fxnum &operator ++ (); + sc_fxnum &operator -- (); + + // bit selection + const sc_fxnum_bitref operator [] (int) const; + sc_fxnum_bitref operator [] (int); + + const sc_fxnum_bitref bit(int) const; + sc_fxnum_bitref bit(int); + + // part selection + const sc_fxnum_subref operator () (int, int) const; + sc_fxnum_subref operator () (int, int); + + const sc_fxnum_subref range(int, int) const; + sc_fxnum_subref range(int, int); + + const sc_fxnum_subref operator () () const; + sc_fxnum_subref operator () (); + + const sc_fxnum_subref range() const; + sc_fxnum_subref range(); + + // implicit conversion + operator double() const; // necessary evil! + + // explicit conversion to primitive types + short to_short() const; + unsigned short to_ushort() const; + int to_int() const; + unsigned int to_uint() const; + long to_long() const; + unsigned long to_ulong() const; + int64 to_int64() const; + uint64 to_uint64() const; + float to_float() const; + double to_double() const; + + // explicit conversion to character string + const std::string to_string() const; + const std::string to_string(sc_numrep) const; + const std::string to_string(sc_numrep, bool) const; + const std::string to_string(sc_fmt) const; + const std::string to_string(sc_numrep, sc_fmt) const; + const std::string to_string(sc_numrep, bool, sc_fmt) const; + + const std::string to_dec() const; + const std::string to_bin() const; + const std::string to_oct() const; + const std::string to_hex() const; + + // query value + bool is_neg() const; + bool is_zero() const; + + // internal use only; + bool is_normal() const; + + bool quantization_flag() const; + bool overflow_flag() const; + + const sc_fxval value() const; + + // query parameters + int wl() const; + int iwl() const; + sc_q_mode q_mode() const; + sc_o_mode o_mode() const; + int n_bits() const; + + const sc_fxtype_params &type_params() const; + + const sc_fxcast_switch &cast_switch() const; + + // print or dump content + void print(::std::ostream & =::std::cout) const; + void scan(::std::istream & =::std::cin); + void dump(::std::ostream & =::std::cout) const; + + // internal use only; + void observer_read() const; + + // internal use only; + bool get_bit(int) const; + + protected: + bool set_bit(int, bool); + + bool get_slice(int, int, sc_bv_base &) const; + bool set_slice(int, int, const sc_bv_base &); + + sc_fxnum_observer *lock_observer() const; + void unlock_observer(sc_fxnum_observer *) const; + + private: + scfx_rep *m_rep; + + scfx_params m_params; + bool m_q_flag; + bool m_o_flag; + + mutable sc_fxnum_observer *m_observer; + + private: + // disabled + sc_fxnum(); + sc_fxnum(const sc_fxnum &); +}; + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_fast +// +// Base class for the fixed-point types; limited precision. +// ---------------------------------------------------------------------------- + +class sc_fxnum_fast +{ + friend class sc_fxval_fast; + + friend class sc_fxnum_bitref; + friend class sc_fxnum_subref; + friend class sc_fxnum_fast_bitref; + friend class sc_fxnum_fast_subref; + + friend class sc_core::vcd_sc_fxnum_fast_trace; + friend class sc_core::wif_sc_fxnum_fast_trace; + + protected: + sc_fxnum_fast_observer *observer() const; + + void cast(); + + // constructors + sc_fxnum_fast(const sc_fxtype_params &, sc_enc, const sc_fxcast_switch &, + sc_fxnum_fast_observer *); + +#define DECL_CTOR_T(tp) \ + sc_fxnum_fast(tp, const sc_fxtype_params &, sc_enc, \ + const sc_fxcast_switch &, sc_fxnum_fast_observer *); + + DECL_CTOR_T(int) + DECL_CTOR_T(unsigned int) + DECL_CTOR_T(long) + DECL_CTOR_T(unsigned long) + DECL_CTOR_T(float) + DECL_CTOR_T(double) + DECL_CTOR_T(const char *) + DECL_CTOR_T(const sc_fxval &) + DECL_CTOR_T(const sc_fxval_fast &) + DECL_CTOR_T(const sc_fxnum &) + DECL_CTOR_T(const sc_fxnum_fast &) + + DECL_CTOR_T(int64) + DECL_CTOR_T(uint64) + DECL_CTOR_T(const sc_int_base &) + DECL_CTOR_T(const sc_uint_base &) + DECL_CTOR_T(const sc_signed &) + DECL_CTOR_T(const sc_unsigned &) + +#undef DECL_CTOR_T + ~sc_fxnum_fast(); + + // internal use only; + double get_val() const; + + public: + // unary operators + const sc_fxval_fast operator - () const; + const sc_fxval_fast operator + () const; + + // unary functions + friend void neg(sc_fxval_fast &, const sc_fxnum_fast &); + friend void neg(sc_fxnum_fast &, const sc_fxnum_fast &); + + + // binary operators +#define DECL_BIN_OP_T(op, tp) \ + friend const sc_fxval_fast operator op (const sc_fxnum_fast &, tp); \ + friend const sc_fxval_fast operator op (tp, const sc_fxnum_fast &); + +#define DECL_BIN_OP_OTHER(op) \ + DECL_BIN_OP_T(op, int64) \ + DECL_BIN_OP_T(op, uint64) \ + DECL_BIN_OP_T(op, const sc_int_base &) \ + DECL_BIN_OP_T(op, const sc_uint_base &) \ + DECL_BIN_OP_T(op, const sc_signed &) \ + DECL_BIN_OP_T(op, const sc_unsigned &) + +#define DECL_BIN_OP(op, dummy) \ + friend const sc_fxval_fast operator op (const sc_fxnum_fast &, \ + const sc_fxnum_fast &); \ + DECL_BIN_OP_T(op, int) \ + DECL_BIN_OP_T(op, unsigned int) \ + DECL_BIN_OP_T(op, long) \ + DECL_BIN_OP_T(op, unsigned long) \ + DECL_BIN_OP_T(op, float) \ + DECL_BIN_OP_T(op, double) \ + DECL_BIN_OP_T(op, const char *) \ + DECL_BIN_OP_T(op, const sc_fxval_fast &) \ + DECL_BIN_OP_OTHER(op) + + DECL_BIN_OP(*, mult) + DECL_BIN_OP(+, add) + DECL_BIN_OP(-, sub) +// DECL_BIN_OP(/, div) + friend const sc_fxval_fast operator / (const sc_fxnum_fast &, + const sc_fxnum_fast &); + DECL_BIN_OP_T(/, int) + DECL_BIN_OP_T(/, unsigned int) + DECL_BIN_OP_T(/, long) + DECL_BIN_OP_T(/, unsigned long) + DECL_BIN_OP_T(/, float) + DECL_BIN_OP_T(/, double) + DECL_BIN_OP_T(/, const char *) + DECL_BIN_OP_T(/, const sc_fxval_fast &) +// DECL_BIN_OP_OTHER(op) + + DECL_BIN_OP_T(/, int64) \ + DECL_BIN_OP_T(/, uint64) \ + DECL_BIN_OP_T(/, const sc_int_base &) \ + DECL_BIN_OP_T(/, const sc_uint_base &) \ + DECL_BIN_OP_T(/, const sc_signed &) \ + DECL_BIN_OP_T(/, const sc_unsigned &) + +#undef DECL_BIN_OP_T +#undef DECL_BIN_OP_OTHER +#undef DECL_BIN_OP + + friend const sc_fxval_fast operator << (const sc_fxnum_fast &, int); + friend const sc_fxval_fast operator >> (const sc_fxnum_fast &, int); + + // binary functions +#define DECL_BIN_FNC_T(fnc, tp) \ + friend void fnc (sc_fxval_fast &, const sc_fxnum_fast &, tp); \ + friend void fnc (sc_fxval_fast &, tp, const sc_fxnum_fast &); \ + friend void fnc (sc_fxnum_fast &, const sc_fxnum_fast &, tp); \ + friend void fnc (sc_fxnum_fast &, tp, const sc_fxnum_fast &); + +#define DECL_BIN_FNC_OTHER(fnc) \ + DECL_BIN_FNC_T(fnc, int64) \ + DECL_BIN_FNC_T(fnc, uint64) \ + DECL_BIN_FNC_T(fnc, const sc_int_base &) \ + DECL_BIN_FNC_T(fnc, const sc_uint_base &) \ + DECL_BIN_FNC_T(fnc, const sc_signed &) \ + DECL_BIN_FNC_T(fnc, const sc_unsigned &) + +#define DECL_BIN_FNC(fnc) \ + friend void fnc (sc_fxval_fast &, const sc_fxnum_fast &, \ + const sc_fxnum_fast &); \ + friend void fnc (sc_fxnum_fast &, const sc_fxnum_fast &, \ + const sc_fxnum_fast &); \ + DECL_BIN_FNC_T(fnc, int) \ + DECL_BIN_FNC_T(fnc, unsigned int) \ + DECL_BIN_FNC_T(fnc, long) \ + DECL_BIN_FNC_T(fnc, unsigned long) \ + DECL_BIN_FNC_T(fnc, float) \ + DECL_BIN_FNC_T(fnc, double) \ + DECL_BIN_FNC_T(fnc, const char *) \ + DECL_BIN_FNC_T(fnc, const sc_fxval &) \ + DECL_BIN_FNC_T(fnc, const sc_fxval_fast &) \ + DECL_BIN_FNC_T(fnc, const sc_fxnum &) \ + DECL_BIN_FNC_OTHER(fnc) + + DECL_BIN_FNC(mult) + DECL_BIN_FNC(div) + DECL_BIN_FNC(add) + DECL_BIN_FNC(sub) + +#undef DECL_BIN_FNC_T +#undef DECL_BIN_FNC_OTHER +#undef DECL_BIN_FNC + + friend void lshift(sc_fxval_fast &, const sc_fxnum_fast &, int); + friend void rshift(sc_fxval_fast &, const sc_fxnum_fast &, int); + friend void lshift(sc_fxnum_fast &, const sc_fxnum_fast &, int); + friend void rshift(sc_fxnum_fast &, const sc_fxnum_fast &, int); + + // relational (including equality) operators +#define DECL_REL_OP_T(op, tp) \ + friend bool operator op (const sc_fxnum_fast &, tp); \ + friend bool operator op (tp, const sc_fxnum_fast &); + +#define DECL_REL_OP_OTHER(op) \ + DECL_REL_OP_T(op, int64) \ + DECL_REL_OP_T(op, uint64) \ + DECL_REL_OP_T(op, const sc_int_base &) \ + DECL_REL_OP_T(op, const sc_uint_base &) \ + DECL_REL_OP_T(op, const sc_signed &) \ + DECL_REL_OP_T(op, const sc_unsigned &) + +#define DECL_REL_OP(op) \ + friend bool operator op (const sc_fxnum_fast &, const sc_fxnum_fast &); \ + DECL_REL_OP_T(op, int) \ + DECL_REL_OP_T(op, unsigned int) \ + DECL_REL_OP_T(op, long) \ + DECL_REL_OP_T(op, unsigned long) \ + DECL_REL_OP_T(op, float) \ + DECL_REL_OP_T(op, double) \ + DECL_REL_OP_T(op, const char *) \ + DECL_REL_OP_T(op, const sc_fxval_fast &) \ + DECL_REL_OP_OTHER(op) + + DECL_REL_OP(<) + DECL_REL_OP(<=) + DECL_REL_OP(>) + DECL_REL_OP(>=) + DECL_REL_OP(==) + DECL_REL_OP(!=) + +#undef DECL_REL_OP_T +#undef DECL_REL_OP_OTHER +#undef DECL_REL_OP + + // assignment operators +#define DECL_ASN_OP_T(op, tp) sc_fxnum_fast &operator op(tp); + +#define DECL_ASN_OP_OTHER(op) \ + DECL_ASN_OP_T(op, int64) \ + DECL_ASN_OP_T(op, uint64) \ + DECL_ASN_OP_T(op, const sc_int_base &) \ + DECL_ASN_OP_T(op, const sc_uint_base &) \ + DECL_ASN_OP_T(op, const sc_signed &) \ + DECL_ASN_OP_T(op, const sc_unsigned &) + +#define DECL_ASN_OP(op) \ + DECL_ASN_OP_T(op, int) \ + DECL_ASN_OP_T(op, unsigned int) \ + DECL_ASN_OP_T(op, long) \ + DECL_ASN_OP_T(op, unsigned long) \ + DECL_ASN_OP_T(op, float) \ + DECL_ASN_OP_T(op, double) \ + DECL_ASN_OP_T(op, const char *) \ + DECL_ASN_OP_T(op, const sc_fxval &) \ + DECL_ASN_OP_T(op, const sc_fxval_fast &) \ + DECL_ASN_OP_T(op, const sc_fxnum &) \ + DECL_ASN_OP_T(op, const sc_fxnum_fast &) \ + DECL_ASN_OP_OTHER(op) + + DECL_ASN_OP(=) + + DECL_ASN_OP(*=) + DECL_ASN_OP(/=) + DECL_ASN_OP(+=) + DECL_ASN_OP(-=) + + DECL_ASN_OP_T(<<=, int) + DECL_ASN_OP_T(>>=, int) + +#undef DECL_ASN_OP_T +#undef DECL_ASN_OP_OTHER +#undef DECL_ASN_OP + + // auto-increment and auto-decrement + const sc_fxval_fast operator ++ (int); + const sc_fxval_fast operator -- (int); + + sc_fxnum_fast &operator ++ (); + sc_fxnum_fast &operator -- (); + + // bit selection + const sc_fxnum_fast_bitref operator [] (int) const; + sc_fxnum_fast_bitref operator [] (int); + + const sc_fxnum_fast_bitref bit(int) const; + sc_fxnum_fast_bitref bit(int); + + // part selection + const sc_fxnum_fast_subref operator () (int, int) const; + sc_fxnum_fast_subref operator () (int, int); + + const sc_fxnum_fast_subref range(int, int) const; + sc_fxnum_fast_subref range(int, int); + + + const sc_fxnum_fast_subref operator () () const; + sc_fxnum_fast_subref operator () (); + + const sc_fxnum_fast_subref range() const; + sc_fxnum_fast_subref range(); + + // implicit conversion + operator double() const; // necessary evil! + + // explicit conversion to primitive types + short to_short() const; + unsigned short to_ushort() const; + int to_int() const; + unsigned int to_uint() const; + long to_long() const; + unsigned long to_ulong() const; + int64 to_int64() const; + uint64 to_uint64() const; + float to_float() const; + double to_double() const; + + // explicit conversion to character string + const std::string to_string() const; + const std::string to_string(sc_numrep) const; + const std::string to_string(sc_numrep, bool) const; + const std::string to_string(sc_fmt) const; + const std::string to_string(sc_numrep, sc_fmt) const; + const std::string to_string(sc_numrep, bool, sc_fmt) const; + + const std::string to_dec() const; + const std::string to_bin() const; + const std::string to_oct() const; + const std::string to_hex() const; + + // query value + bool is_neg() const; + bool is_zero() const; + + // internal use only; + bool is_normal() const; + + bool quantization_flag() const; + bool overflow_flag() const; + + const sc_fxval_fast value() const; + + // query parameters + int wl() const; + int iwl() const; + sc_q_mode q_mode() const; + sc_o_mode o_mode() const; + int n_bits() const; + + const sc_fxtype_params &type_params() const; + + const sc_fxcast_switch &cast_switch() const; + + // print or dump content + void print(::std::ostream & =::std::cout) const; + void scan(::std::istream & =::std::cin); + void dump(::std::ostream & =::std::cout) const; + + // internal use only; + void observer_read() const; + + // internal use only; + bool get_bit(int) const; + + protected: + bool set_bit(int, bool); + + bool get_slice(int, int, sc_bv_base &) const; + bool set_slice(int, int, const sc_bv_base &); + + sc_fxnum_fast_observer *lock_observer() const; + void unlock_observer(sc_fxnum_fast_observer *) const; + + private: + double m_val; + + scfx_params m_params; + bool m_q_flag; + bool m_o_flag; + + mutable sc_fxnum_fast_observer *m_observer; + + private: + // Disabled + sc_fxnum_fast(); + sc_fxnum_fast(const sc_fxnum_fast &); +}; + + +// IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_bitref +// +// Proxy class for bit-selection in class sc_fxnum, behaves like sc_bit. +// ---------------------------------------------------------------------------- + +// constructor + +inline +sc_fxnum_bitref::sc_fxnum_bitref(sc_fxnum &num_, int idx_) : + m_num(num_), m_idx(idx_) +{} + +// copy constructor +inline sc_fxnum_bitref::sc_fxnum_bitref(const sc_fxnum_bitref &a) : + m_num(a.m_num), m_idx(a.m_idx) +{} + +// assignment operators +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator = (const sc_fxnum_bitref &a) +{ + if (&a != this) { + SC_FXNUM_OBSERVER_READ_(a.m_num) + set(a.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + } + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator = (const sc_fxnum_fast_bitref &a) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a.m_num) + set(a.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator = (const sc_bit &a) +{ + set(static_cast<bool>(a)); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator = (bool a) +{ + set(a); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator &= (const sc_fxnum_bitref &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + SC_FXNUM_OBSERVER_READ_(b.m_num) + set(get() && b.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator &= (const sc_fxnum_fast_bitref &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + SC_FXNUM_FAST_OBSERVER_READ_(b.m_num) + set(get() && b.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator &= (const sc_bit &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + set(get() && static_cast<bool>(b)); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator &= (bool b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + set(get() && b); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator |= (const sc_fxnum_bitref &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + SC_FXNUM_OBSERVER_READ_(b.m_num) + set(get() || b.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator |= (const sc_fxnum_fast_bitref &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + SC_FXNUM_FAST_OBSERVER_READ_(b.m_num) + set(get() || b.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator |= (const sc_bit &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + set(get() || static_cast<bool>(b)); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator |= (bool b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + set(get() || b); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator ^= (const sc_fxnum_bitref &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + SC_FXNUM_OBSERVER_READ_(b.m_num) + set(get() != b.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator ^= (const sc_fxnum_fast_bitref &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + SC_FXNUM_FAST_OBSERVER_READ_(b.m_num) + set(get() != b.get()); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator ^= (const sc_bit &b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + set(get() != static_cast<bool>(b)); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_bitref & +sc_fxnum_bitref::operator ^= (bool b) +{ + SC_FXNUM_OBSERVER_READ_(m_num) + set(get() != b); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +// implicit conversion +inline sc_fxnum_bitref::operator bool() const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + return get(); +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_fxnum_bitref &a) +{ + a.print(os); + return os; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_fxnum_bitref &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_fast_bitref +// +// Proxy class for bit-selection in class sc_fxnum_fast, behaves like sc_bit. +// ---------------------------------------------------------------------------- + +// constructor +inline sc_fxnum_fast_bitref::sc_fxnum_fast_bitref( + sc_fxnum_fast &num_, int idx_) : m_num(num_), m_idx(idx_) +{} + +// copy constructor +inline sc_fxnum_fast_bitref::sc_fxnum_fast_bitref( + const sc_fxnum_fast_bitref &a) : m_num(a.m_num), m_idx(a.m_idx) +{} + +// assignment operators +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator = (const sc_fxnum_bitref &a) +{ + SC_FXNUM_OBSERVER_READ_(a.m_num) + set(a.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator = (const sc_fxnum_fast_bitref &a) +{ + if (&a != this) { + SC_FXNUM_FAST_OBSERVER_READ_(a.m_num) + set(a.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + } + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator = (const sc_bit &a) +{ + set(static_cast<bool>(a)); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator = (bool a) +{ + set(a); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator &= (const sc_fxnum_bitref &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + SC_FXNUM_OBSERVER_READ_(b.m_num) + set(get() && b.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator &= (const sc_fxnum_fast_bitref &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + SC_FXNUM_FAST_OBSERVER_READ_(b.m_num) + set(get() && b.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator &= (const sc_bit &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + set(get() && static_cast<bool>(b)); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator &= (bool b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + set(get() && b); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator |= (const sc_fxnum_bitref &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + SC_FXNUM_OBSERVER_READ_(b.m_num) + set(get() || b.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator |= (const sc_fxnum_fast_bitref &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + SC_FXNUM_FAST_OBSERVER_READ_(b.m_num) + set(get() || b.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator |= (const sc_bit &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + set(get() || static_cast<bool>(b)); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator |= (bool b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + set(get() || b); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator ^= (const sc_fxnum_bitref &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + SC_FXNUM_OBSERVER_READ_(b.m_num) + set(get() != b.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator ^= (const sc_fxnum_fast_bitref &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + SC_FXNUM_FAST_OBSERVER_READ_(b.m_num) + set(get() != b.get()); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator ^= (const sc_bit &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + set(get() != static_cast<bool>(b)); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_bitref & +sc_fxnum_fast_bitref::operator ^= (bool b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + set(get() != b); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + + +// implicit conversion +inline sc_fxnum_fast_bitref::operator bool() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + return get(); +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_fxnum_fast_bitref &a) +{ + a.print(os); + return os; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_fxnum_fast_bitref &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_subref +// +// Proxy class for part-selection in class sc_fxnum, +// behaves like sc_bv_base. +// ---------------------------------------------------------------------------- + +// constructor +inline sc_fxnum_subref::sc_fxnum_subref(sc_fxnum &num_, int from_, int to_) : + m_num(num_), m_from(from_), m_to(to_), + m_bv(*new sc_bv_base(sc_max(m_from, m_to) - sc_min(m_from, m_to) + 1)) +{} + +// copy constructor +inline sc_fxnum_subref::sc_fxnum_subref(const sc_fxnum_subref &a) : + m_num(a.m_num), m_from(a.m_from), m_to(a.m_to), + m_bv(*new sc_bv_base(a.m_bv)) +{} + +// destructor +inline sc_fxnum_subref::~sc_fxnum_subref() +{ + delete &m_bv; +} + +// assignment operators +inline sc_fxnum_subref & +sc_fxnum_subref::operator = (const sc_fxnum_subref &a) +{ + if (&a != this) { + m_bv = static_cast<sc_bv_base>(a); + set(); + SC_FXNUM_OBSERVER_WRITE_(m_num) + } + return *this; +} + +inline sc_fxnum_subref & +sc_fxnum_subref::operator = (const sc_fxnum_fast_subref &a) +{ + m_bv = static_cast<sc_bv_base>(a); + set(); + SC_FXNUM_OBSERVER_WRITE_(m_num) + return *this; +} + +#define DEFN_ASN_OP_T(tp) \ +inline sc_fxnum_subref & \ +sc_fxnum_subref::operator = (tp a) \ +{ \ + m_bv = a; \ + set(); \ + SC_FXNUM_OBSERVER_WRITE_(m_num) \ + return *this; \ +} + +DEFN_ASN_OP_T(const sc_bv_base &) +DEFN_ASN_OP_T(const sc_lv_base &) +DEFN_ASN_OP_T(const char *) +DEFN_ASN_OP_T(const bool *) +DEFN_ASN_OP_T(const sc_signed &) +DEFN_ASN_OP_T(const sc_unsigned &) +DEFN_ASN_OP_T(const sc_int_base &) +DEFN_ASN_OP_T(const sc_uint_base &) +DEFN_ASN_OP_T(int64) +DEFN_ASN_OP_T(uint64) +DEFN_ASN_OP_T(int) +DEFN_ASN_OP_T(unsigned int) +DEFN_ASN_OP_T(long) +DEFN_ASN_OP_T(unsigned long) +DEFN_ASN_OP_T(char) + +#undef DEFN_ASN_OP_T + +#define DEFN_ASN_OP_T(op, tp) \ +inline sc_fxnum_subref & \ +sc_fxnum_subref::operator op ## = (tp a) \ +{ \ + SC_FXNUM_OBSERVER_READ_(m_num) \ + get(); \ + m_bv = m_bv op a; \ + set(); \ + SC_FXNUM_OBSERVER_WRITE_(m_num) \ + return *this; \ +} + +#define DEFN_ASN_OP(op) \ +inline sc_fxnum_subref & \ +sc_fxnum_subref::operator op ## = (const sc_fxnum_subref &a) \ +{ \ + SC_FXNUM_OBSERVER_READ_(m_num) \ + get(); \ + m_bv = m_bv op static_cast<sc_bv_base>(a); \ + set(); \ + SC_FXNUM_OBSERVER_WRITE_(m_num) \ + return *this; \ +} \ + \ +inline sc_fxnum_subref & \ +sc_fxnum_subref::operator op ## = (const sc_fxnum_fast_subref &a) \ +{ \ + SC_FXNUM_OBSERVER_READ_(m_num) \ + get(); \ + m_bv = m_bv op static_cast<sc_bv_base>(a); \ + set(); \ + SC_FXNUM_OBSERVER_WRITE_(m_num) \ + return *this; \ +} \ + \ +DEFN_ASN_OP_T(op, const sc_bv_base &) \ +DEFN_ASN_OP_T(op, const sc_lv_base &) + +DEFN_ASN_OP( &) +DEFN_ASN_OP(|) +DEFN_ASN_OP(^) + +#undef DEFN_ASN_OP_T +#undef DEFN_ASN_OP + +// relational operators +#define DEFN_REL_OP_T(op, tp) \ +inline bool \ +operator op (const sc_fxnum_subref &a, tp b) \ +{ \ + return (static_cast<sc_bv_base>(a) op b); \ +} \ + \ +inline bool \ +operator op (tp a, const sc_fxnum_subref &b) \ +{ \ + return (static_cast<sc_bv_base>(b) op a); \ +} + +#define DEFN_REL_OP(op) \ +inline bool \ +operator op (const sc_fxnum_subref &a, const sc_fxnum_subref &b) \ +{ \ + return (static_cast<sc_bv_base>(a) op static_cast<sc_bv_base>(b)); \ +} \ + \ +inline bool \ +operator op (const sc_fxnum_subref &a, const sc_fxnum_fast_subref &b) \ +{ \ + return (static_cast<sc_bv_base>(a) op static_cast<sc_bv_base>(b)); \ +} \ + \ +DEFN_REL_OP_T(op, const sc_bv_base &) \ +DEFN_REL_OP_T(op, const sc_lv_base &) \ +DEFN_REL_OP_T(op, const char *) \ +DEFN_REL_OP_T(op, const bool *) \ +DEFN_REL_OP_T(op, const sc_signed &) \ +DEFN_REL_OP_T(op, const sc_unsigned &) \ +DEFN_REL_OP_T(op, int) \ +DEFN_REL_OP_T(op, unsigned int) \ +DEFN_REL_OP_T(op, long) \ +DEFN_REL_OP_T(op, unsigned long) + +DEFN_REL_OP(==) +DEFN_REL_OP(!=) + +#undef DEFN_REL_OP_T +#undef DEFN_REL_OP + + +// reduce functions + +#define DEFN_RED_FNC(fnc) \ +inline bool \ +sc_fxnum_subref::fnc() const \ +{ \ + SC_FXNUM_OBSERVER_READ_(m_num) \ + get(); \ + return static_cast<bool>(m_bv.fnc()); \ +} + +DEFN_RED_FNC(and_reduce) +DEFN_RED_FNC(nand_reduce) +DEFN_RED_FNC(or_reduce) +DEFN_RED_FNC(nor_reduce) +DEFN_RED_FNC(xor_reduce) +DEFN_RED_FNC(xnor_reduce) + +#undef DEFN_RED_FNC + +// query parameter +inline int +sc_fxnum_subref::length() const +{ + return m_bv.length(); +} + +// explicit conversions +inline int +sc_fxnum_subref::to_int() const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + get(); + return m_bv.to_int(); +} + +inline int64 +sc_fxnum_subref::to_int64() const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + get(); + return m_bv.to_int64(); +} + +inline unsigned int +sc_fxnum_subref::to_uint() const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + get(); + return m_bv.to_uint(); +} + +inline uint64 +sc_fxnum_subref::to_uint64() const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + get(); + return m_bv.to_uint64(); +} + +inline long +sc_fxnum_subref::to_long() const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + get(); + return m_bv.to_long(); +} + +inline unsigned long +sc_fxnum_subref::to_ulong() const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + get(); + return m_bv.to_ulong(); +} + + +inline const std::string +sc_fxnum_subref::to_string() const +{ + get(); + return m_bv.to_string(); +} + +inline const std::string +sc_fxnum_subref::to_string(sc_numrep numrep) const +{ + get(); + return m_bv.to_string(numrep); +} + +inline const std::string +sc_fxnum_subref::to_string(sc_numrep numrep, bool w_prefix) const +{ + get(); + return m_bv.to_string(numrep, w_prefix); +} + + +// implicit conversion +inline sc_fxnum_subref::operator sc_bv_base () const +{ + SC_FXNUM_OBSERVER_READ_(m_num) + get(); + return m_bv; +} + + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_fxnum_subref &a) +{ + a.print(os); + return os; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_fxnum_subref &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_fast_subref +// +// Proxy class for part-selection in class sc_fxnum_fast, +// behaves like sc_bv_base. +// ---------------------------------------------------------------------------- + +// constructor + +inline sc_fxnum_fast_subref::sc_fxnum_fast_subref( + sc_fxnum_fast &num_, int from_, int to_) : + m_num(num_), m_from(from_), m_to(to_), + m_bv(*new sc_bv_base(sc_max(m_from, m_to) - sc_min(m_from, m_to) + 1)) +{} + + +// copy constructor +inline sc_fxnum_fast_subref::sc_fxnum_fast_subref( + const sc_fxnum_fast_subref &a) : + m_num(a.m_num), m_from(a.m_from), m_to(a.m_to), + m_bv(*new sc_bv_base(a.m_bv)) +{} + + +// destructor +inline sc_fxnum_fast_subref::~sc_fxnum_fast_subref() +{ + delete &m_bv; +} + + +// assignment operators +inline sc_fxnum_fast_subref & +sc_fxnum_fast_subref::operator = (const sc_fxnum_subref &a) +{ + m_bv = static_cast<sc_bv_base>(a); + set(); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + return *this; +} + +inline sc_fxnum_fast_subref & +sc_fxnum_fast_subref::operator = (const sc_fxnum_fast_subref &a) +{ + if (&a != this) { + m_bv = static_cast<sc_bv_base>(a); + set(); + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) + } + return *this; +} + +#define DEFN_ASN_OP_T(tp) \ +inline sc_fxnum_fast_subref & \ +sc_fxnum_fast_subref::operator = (tp a) \ +{ \ + m_bv = a; \ + set(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) \ + return *this; \ +} + +DEFN_ASN_OP_T(const sc_bv_base &) +DEFN_ASN_OP_T(const sc_lv_base &) +DEFN_ASN_OP_T(const char *) +DEFN_ASN_OP_T(const bool *) +DEFN_ASN_OP_T(const sc_signed &) +DEFN_ASN_OP_T(const sc_unsigned &) +DEFN_ASN_OP_T(const sc_int_base &) +DEFN_ASN_OP_T(const sc_uint_base &) +DEFN_ASN_OP_T(int64) +DEFN_ASN_OP_T(uint64) +DEFN_ASN_OP_T(int) +DEFN_ASN_OP_T(unsigned int) +DEFN_ASN_OP_T(long) +DEFN_ASN_OP_T(unsigned long) +DEFN_ASN_OP_T(char) + +#undef DEFN_ASN_OP_T + + +#define DEFN_ASN_OP_T(op, tp) \ +inline sc_fxnum_fast_subref & \ +sc_fxnum_fast_subref::operator op ## = (tp a) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) \ + get(); \ + m_bv = m_bv op a; \ + set(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) \ + return *this; \ +} + +#define DEFN_ASN_OP(op) \ +inline sc_fxnum_fast_subref & \ +sc_fxnum_fast_subref::operator op ## = (const sc_fxnum_subref &a) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) \ + get(); \ + m_bv = m_bv op static_cast<sc_bv_base>(a); \ + set(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) \ + return *this; \ +} \ + \ +inline sc_fxnum_fast_subref & \ +sc_fxnum_fast_subref::operator op ## = (const sc_fxnum_fast_subref &a) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) \ + get(); \ + m_bv = m_bv op static_cast<sc_bv_base>(a); \ + set(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(m_num) \ + return *this; \ +} \ + \ +DEFN_ASN_OP_T(op, const sc_bv_base &) \ +DEFN_ASN_OP_T(op, const sc_lv_base &) + +DEFN_ASN_OP(&) +DEFN_ASN_OP(|) +DEFN_ASN_OP(^) + +#undef DEFN_ASN_OP_T +#undef DEFN_ASN_OP + + +// relational operators + +#define DEFN_REL_OP_T(op, tp) \ +inline bool \ +operator op (const sc_fxnum_fast_subref &a, tp b) \ +{ \ + return (static_cast<sc_bv_base>(a) op b); \ +} \ + \ +inline bool \ +operator op (tp a, const sc_fxnum_fast_subref &b) \ +{ \ + return (static_cast<sc_bv_base>(b) op a); \ +} + +#define DEFN_REL_OP(op) \ +inline bool \ +operator op (const sc_fxnum_fast_subref &a, const sc_fxnum_fast_subref &b) \ +{ \ + return (static_cast<sc_bv_base>(a) op static_cast<sc_bv_base>(b)); \ +} \ + \ +inline bool \ +operator op (const sc_fxnum_fast_subref &a, const sc_fxnum_subref &b) \ +{ \ + return (static_cast<sc_bv_base>(a) op static_cast<sc_bv_base>(b)); \ +} \ + \ +DEFN_REL_OP_T(op, const sc_bv_base &) \ +DEFN_REL_OP_T(op, const sc_lv_base &) \ +DEFN_REL_OP_T(op, const char *) \ +DEFN_REL_OP_T(op, const bool *) \ +DEFN_REL_OP_T(op, const sc_signed &) \ +DEFN_REL_OP_T(op, const sc_unsigned &) \ +DEFN_REL_OP_T(op, int) \ +DEFN_REL_OP_T(op, unsigned int) \ +DEFN_REL_OP_T(op, long) \ +DEFN_REL_OP_T(op, unsigned long) + +DEFN_REL_OP(==) +DEFN_REL_OP(!=) + +#undef DEFN_REL_OP_T +#undef DEFN_REL_OP + +// reduce functions +#define DEFN_RED_FNC(fnc) \ +inline bool \ +sc_fxnum_fast_subref::fnc() const \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) \ + get(); \ + return static_cast<bool>(m_bv.fnc()); \ +} + +DEFN_RED_FNC(and_reduce) +DEFN_RED_FNC(nand_reduce) +DEFN_RED_FNC(or_reduce) +DEFN_RED_FNC(nor_reduce) +DEFN_RED_FNC(xor_reduce) +DEFN_RED_FNC(xnor_reduce) + +#undef DEFN_RED_FNC + +// query parameter +inline int +sc_fxnum_fast_subref::length() const +{ + return m_bv.length(); +} + +// explicit conversions +inline int +sc_fxnum_fast_subref::to_int() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + get(); + return m_bv.to_int(); +} + +inline int64 +sc_fxnum_fast_subref::to_int64() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + get(); + return m_bv.to_int64(); +} + +inline unsigned int +sc_fxnum_fast_subref::to_uint() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + get(); + return m_bv.to_uint(); +} + +inline uint64 +sc_fxnum_fast_subref::to_uint64() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + get(); + return m_bv.to_uint64(); +} + +inline long +sc_fxnum_fast_subref::to_long() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + get(); + return m_bv.to_long(); +} + +inline unsigned long +sc_fxnum_fast_subref::to_ulong() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + get(); + return m_bv.to_ulong(); +} + +inline const std::string +sc_fxnum_fast_subref::to_string() const +{ + get(); + return m_bv.to_string(); +} + +inline const std::string +sc_fxnum_fast_subref::to_string(sc_numrep numrep) const +{ + get(); + return m_bv.to_string(numrep); +} + +inline const std::string +sc_fxnum_fast_subref::to_string(sc_numrep numrep, bool w_prefix) const +{ + get(); + return m_bv.to_string(numrep, w_prefix); +} + + +// implicit conversion +inline sc_fxnum_fast_subref::operator sc_bv_base () const +{ + SC_FXNUM_FAST_OBSERVER_READ_(m_num) + get(); + return m_bv; +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_fxnum_fast_subref &a) +{ + a.print(os); + return os; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_fxnum_fast_subref &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum +// +// Base class for the fixed-point types; arbitrary precision. +// ---------------------------------------------------------------------------- + +inline sc_fxnum_observer * +sc_fxnum::observer() const +{ + return m_observer; +} + +inline void +sc_fxnum::cast() +{ + SC_ERROR_IF_(!m_rep->is_normal(), "invalid fixed-point value"); + + if (m_params.cast_switch() == SC_ON) + m_rep->cast(m_params, m_q_flag, m_o_flag); +} + +// constructors +inline sc_fxnum::sc_fxnum(const sc_fxtype_params &type_params_, + sc_enc enc_, const sc_fxcast_switch &cast_sw, + sc_fxnum_observer *observer_) : + m_rep(new scfx_rep), m_params(type_params_, enc_, cast_sw), + m_q_flag(false), m_o_flag(false), m_observer(observer_) +{ + SC_FXNUM_OBSERVER_DEFAULT_ + SC_FXNUM_OBSERVER_CONSTRUCT_(*this) +} + +#define DEFN_CTOR_T(tp, arg) \ +inline sc_fxnum::sc_fxnum(tp a, const sc_fxtype_params &type_params_, \ + sc_enc enc_, const sc_fxcast_switch &cast_sw, \ + sc_fxnum_observer *observer_) : \ + m_rep(new scfx_rep(arg)), m_params(type_params_, enc_, cast_sw), \ + m_q_flag(false), m_o_flag(false), m_observer(observer_) \ +{ \ + SC_FXNUM_OBSERVER_DEFAULT_ \ + cast(); \ + SC_FXNUM_OBSERVER_CONSTRUCT_(*this) \ + SC_FXNUM_OBSERVER_WRITE_(*this) \ +} + +#define DEFN_CTOR_T_A(tp) DEFN_CTOR_T(tp, a) +#define DEFN_CTOR_T_B(tp) DEFN_CTOR_T(tp, *a.m_rep) +#define DEFN_CTOR_T_C(tp) DEFN_CTOR_T(tp, a.to_double()) +#define DEFN_CTOR_T_D(tp) DEFN_CTOR_T(tp, a.value()) + +DEFN_CTOR_T_A(int) +DEFN_CTOR_T_A(unsigned int) +DEFN_CTOR_T_A(long) +DEFN_CTOR_T_A(unsigned long) +DEFN_CTOR_T_A(float) +DEFN_CTOR_T_A(double) +DEFN_CTOR_T_A(const char *) +DEFN_CTOR_T_B(const sc_fxval &) +DEFN_CTOR_T_C(const sc_fxval_fast &) +DEFN_CTOR_T_B(const sc_fxnum &) +DEFN_CTOR_T_C(const sc_fxnum_fast &) +#ifndef SC_FX_EXCLUDE_OTHER +DEFN_CTOR_T_A(int64) +DEFN_CTOR_T_A(uint64) +DEFN_CTOR_T_D(const sc_int_base &) +DEFN_CTOR_T_D(const sc_uint_base &) +DEFN_CTOR_T_A(const sc_signed &) +DEFN_CTOR_T_A(const sc_unsigned &) +#endif + +#undef DEFN_CTOR_T +#undef DEFN_CTOR_T_A +#undef DEFN_CTOR_T_B +#undef DEFN_CTOR_T_C +#undef DEFN_CTOR_T_D + +inline sc_fxnum::~sc_fxnum() +{ + SC_FXNUM_OBSERVER_DESTRUCT_(*this) + delete m_rep; +} + +// internal use only; +inline const scfx_rep * +sc_fxnum::get_rep() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return m_rep; +} + +// unary operators +inline const sc_fxval +sc_fxnum::operator - () const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return sc_fxval(sc_dt::neg_scfx_rep(*m_rep)); +} + +inline const sc_fxval +sc_fxnum::operator + () const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return sc_fxval(new scfx_rep(*m_rep)); +} + +// unary functions +inline void +neg(sc_fxval &c, const sc_fxnum &a) +{ + SC_FXNUM_OBSERVER_READ_(a) + c.set_rep(sc_dt::neg_scfx_rep(*a.m_rep)); +} + +inline void +neg(sc_fxnum &c, const sc_fxnum &a) +{ + SC_FXNUM_OBSERVER_READ_(a) + delete c.m_rep; + c.m_rep = sc_dt::neg_scfx_rep(*a.m_rep); + c.cast(); + SC_FXNUM_OBSERVER_WRITE_(c) +} + +// binary operators +#define DEFN_BIN_OP_T(op, fnc, tp) \ +inline const sc_fxval \ +operator op (const sc_fxnum &a, tp b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + sc_fxval tmp(b); \ + return sc_fxval(sc_dt::fnc ## _scfx_rep(*a.m_rep, *tmp.get_rep())); \ +} \ + \ +inline const sc_fxval \ +operator op (tp a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + sc_fxval tmp(a); \ + return sc_fxval(sc_dt::fnc ## _scfx_rep(*tmp.get_rep(), *b.m_rep)); \ +} + +#ifndef SC_FX_EXCLUDE_OTHER +#define DEFN_BIN_OP_OTHER(op, fnc) \ +DEFN_BIN_OP_T(op, fnc, int64) \ +DEFN_BIN_OP_T(op, fnc, uint64) \ +DEFN_BIN_OP_T(op, fnc, const sc_int_base &) \ +DEFN_BIN_OP_T(op, fnc, const sc_uint_base &) \ +DEFN_BIN_OP_T(op, fnc, const sc_signed &) \ +DEFN_BIN_OP_T(op, fnc, const sc_unsigned &) +#else +#define DEFN_BIN_OP_OTHER(op, fnc) +#endif + +#define DEFN_BIN_OP(op, fnc) \ +inline const sc_fxval \ +operator op (const sc_fxnum &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + SC_FXNUM_OBSERVER_READ_(b) \ + return sc_fxval(sc_dt::fnc ## _scfx_rep(*a.m_rep, *b.m_rep)); \ +} \ + \ +inline const sc_fxval \ +operator op (const sc_fxnum &a, const sc_fxval &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + return sc_fxval(sc_dt::fnc ## _scfx_rep(*a.m_rep, *b.get_rep())); \ +} \ + \ +inline const sc_fxval \ +operator op (const sc_fxval &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + return sc_fxval(sc_dt::fnc ## _scfx_rep(*a.get_rep(), *b.m_rep)); \ +} \ + \ +DEFN_BIN_OP_T(op, fnc, int) \ +DEFN_BIN_OP_T(op, fnc, unsigned int) \ +DEFN_BIN_OP_T(op, fnc, long) \ +DEFN_BIN_OP_T(op, fnc, unsigned long) \ +DEFN_BIN_OP_T(op, fnc, float) \ +DEFN_BIN_OP_T(op, fnc, double) \ +DEFN_BIN_OP_T(op, fnc, const char *) \ +DEFN_BIN_OP_T(op, fnc, const sc_fxval_fast &) \ +DEFN_BIN_OP_T(op, fnc, const sc_fxnum_fast &) \ +DEFN_BIN_OP_OTHER(op, fnc) + +DEFN_BIN_OP(*, mult) +DEFN_BIN_OP(+, add) +DEFN_BIN_OP(-, sub) +// don't use macros +//DEFN_BIN_OP(/, div) +inline const sc_fxval +operator / (const sc_fxnum &a, const sc_fxnum &b) +{ + SC_FXNUM_OBSERVER_READ_(a) + SC_FXNUM_OBSERVER_READ_(b) + return sc_fxval(sc_dt::div_scfx_rep(*a.m_rep, *b.m_rep)); +} + +inline const sc_fxval +operator / (const sc_fxnum &a, const sc_fxval &b) +{ + SC_FXNUM_OBSERVER_READ_(a) + return sc_fxval(sc_dt::div_scfx_rep(*a.m_rep, *b.get_rep())); +} + +inline const sc_fxval +operator / (const sc_fxval &a, const sc_fxnum &b) +{ + SC_FXNUM_OBSERVER_READ_(b) + return sc_fxval(sc_dt::div_scfx_rep(*a.get_rep(), *b.m_rep)); +} + +DEFN_BIN_OP_T(/, div, int) +DEFN_BIN_OP_T(/, div, unsigned int) +DEFN_BIN_OP_T(/, div, long) +DEFN_BIN_OP_T(/, div, unsigned long) +DEFN_BIN_OP_T(/, div, float) +DEFN_BIN_OP_T(/, div, double) +DEFN_BIN_OP_T(/, div, const char *) +DEFN_BIN_OP_T(/, div, const sc_fxval_fast &) +DEFN_BIN_OP_T(/, div, const sc_fxnum_fast &) +//DEFN_BIN_OP_OTHER(/, div) + +DEFN_BIN_OP_T(/, div, int64) +DEFN_BIN_OP_T(/, div, uint64) +DEFN_BIN_OP_T(/, div, const sc_int_base &) +DEFN_BIN_OP_T(/, div, const sc_uint_base &) +DEFN_BIN_OP_T(/, div, const sc_signed &) +DEFN_BIN_OP_T(/, div, const sc_unsigned &) + +#undef DEFN_BIN_OP_T +#undef DEFN_BIN_OP_OTHER +#undef DEFN_BIN_OP + +inline const sc_fxval +operator << (const sc_fxnum &a, int b) +{ + SC_FXNUM_OBSERVER_READ_(a) + return sc_fxval(sc_dt::lsh_scfx_rep(*a.m_rep, b)); +} + +inline const sc_fxval +operator >> (const sc_fxnum &a, int b) +{ + SC_FXNUM_OBSERVER_READ_(a) + return sc_fxval(sc_dt::rsh_scfx_rep(*a.m_rep, b)); +} + +// binary functions +#define DEFN_BIN_FNC_T(fnc, tp) \ +inline void \ +fnc (sc_fxval &c, const sc_fxnum &a, tp b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + sc_fxval tmp(b); \ + c.set_rep(sc_dt::fnc ## _scfx_rep(*a.m_rep, *tmp.get_rep())); \ +} \ + \ +inline void \ +fnc (sc_fxval &c, tp a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + sc_fxval tmp(a); \ + c.set_rep(sc_dt::fnc ## _scfx_rep(*tmp.get_rep(), *b.m_rep)); \ +} \ + \ +inline void \ +fnc (sc_fxnum &c, const sc_fxnum &a, tp b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + sc_fxval tmp(b); \ + delete c.m_rep; \ + c.m_rep = sc_dt::fnc ## _scfx_rep(*a.m_rep, *tmp.get_rep()); \ + c.cast(); \ + SC_FXNUM_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxnum &c, tp a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + sc_fxval tmp(a); \ + delete c.m_rep; \ + c.m_rep = sc_dt::fnc ## _scfx_rep(*tmp.get_rep(), *b.m_rep); \ + c.cast(); \ + SC_FXNUM_OBSERVER_WRITE_(c) \ +} + +#define DEFN_BIN_FNC_OTHER(fnc) \ +DEFN_BIN_FNC_T(fnc, int64) \ +DEFN_BIN_FNC_T(fnc, uint64) \ +DEFN_BIN_FNC_T(fnc, const sc_int_base &) \ +DEFN_BIN_FNC_T(fnc, const sc_uint_base &) \ +DEFN_BIN_FNC_T(fnc, const sc_signed &) \ +DEFN_BIN_FNC_T(fnc, const sc_unsigned &) + +#define DEFN_BIN_FNC(fnc) \ +inline void \ +fnc (sc_fxval &c, const sc_fxnum &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + SC_FXNUM_OBSERVER_READ_(b) \ + c.set_rep(sc_dt::fnc ## _scfx_rep(*a.m_rep, *b.m_rep)); \ +} \ + \ +inline void \ +fnc (sc_fxnum &c, const sc_fxnum &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + SC_FXNUM_OBSERVER_READ_(b) \ + delete c.m_rep; \ + c.m_rep = sc_dt::fnc ## _scfx_rep(*a.m_rep, *b.m_rep); \ + c.cast(); \ + SC_FXNUM_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxval &c, const sc_fxnum &a, const sc_fxval &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + c.set_rep(sc_dt::fnc ## _scfx_rep(*a.m_rep, *b.get_rep())); \ +} \ + \ +inline void \ +fnc (sc_fxval &c, const sc_fxval &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + c.set_rep(sc_dt::fnc ## _scfx_rep(*a.get_rep(), *b.m_rep)); \ +} \ + \ +inline void \ +fnc (sc_fxnum &c, const sc_fxnum &a, const sc_fxval &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + delete c.m_rep; \ + c.m_rep = sc_dt::fnc ## _scfx_rep(*a.m_rep, *b.get_rep()); \ + c.cast(); \ + SC_FXNUM_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxnum &c, const sc_fxval &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + delete c.m_rep; \ + c.m_rep = sc_dt::fnc ## _scfx_rep(*a.get_rep(), *b.m_rep); \ + c.cast(); \ + SC_FXNUM_OBSERVER_WRITE_(c) \ +} \ + \ +DEFN_BIN_FNC_T(fnc, int) \ +DEFN_BIN_FNC_T(fnc, unsigned int) \ +DEFN_BIN_FNC_T(fnc, long) \ +DEFN_BIN_FNC_T(fnc, unsigned long) \ +DEFN_BIN_FNC_T(fnc, float) \ +DEFN_BIN_FNC_T(fnc, double) \ +DEFN_BIN_FNC_T(fnc, const char *) \ +DEFN_BIN_FNC_T(fnc, const sc_fxval_fast &) \ +DEFN_BIN_FNC_T(fnc, const sc_fxnum_fast &) \ +DEFN_BIN_FNC_OTHER(fnc) + +DEFN_BIN_FNC(mult) +DEFN_BIN_FNC(div) +DEFN_BIN_FNC(add) +DEFN_BIN_FNC(sub) + +#undef DEFN_BIN_FNC_T +#undef DEFN_BIN_FNC_OTHER +#undef DEFN_BIN_FNC + +inline void +lshift(sc_fxval &c, const sc_fxnum &a, int b) +{ + SC_FXNUM_OBSERVER_READ_(a) + c.set_rep(sc_dt::lsh_scfx_rep(*a.m_rep, b)); +} + +inline void +rshift(sc_fxval &c, const sc_fxnum &a, int b) +{ + SC_FXNUM_OBSERVER_READ_(a) + c.set_rep(sc_dt::rsh_scfx_rep(*a.m_rep, b)); +} + +inline void +lshift(sc_fxnum &c, const sc_fxnum &a, int b) +{ + SC_FXNUM_OBSERVER_READ_(a) + delete c.m_rep; + c.m_rep = sc_dt::lsh_scfx_rep(*a.m_rep, b); + c.cast(); + SC_FXNUM_OBSERVER_WRITE_(c) +} + +inline void +rshift(sc_fxnum &c, const sc_fxnum &a, int b) +{ + SC_FXNUM_OBSERVER_READ_(a) + delete c.m_rep; + c.m_rep = sc_dt::rsh_scfx_rep(*a.m_rep, b); + c.cast(); + SC_FXNUM_OBSERVER_WRITE_(c) +} + +// relational (including equality) operators +#define DEFN_REL_OP_T(op, ret, tp) \ +inline bool \ +operator op (const sc_fxnum &a, tp b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + sc_fxval tmp(b); \ + int result = sc_dt::cmp_scfx_rep(*a.m_rep, *tmp.get_rep()); \ + return (ret); \ +} \ + \ +inline bool \ +operator op (tp a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + sc_fxval tmp(a); \ + int result = sc_dt::cmp_scfx_rep(*tmp.get_rep(), *b.m_rep); \ + return (ret); \ +} + +#define DEFN_REL_OP_OTHER(op, ret) \ +DEFN_REL_OP_T(op, ret, int64) \ +DEFN_REL_OP_T(op, ret, uint64) \ +DEFN_REL_OP_T(op, ret, const sc_int_base &) \ +DEFN_REL_OP_T(op, ret, const sc_uint_base &) \ +DEFN_REL_OP_T(op, ret, const sc_signed &) \ +DEFN_REL_OP_T(op, ret, const sc_unsigned &) + +#define DEFN_REL_OP(op, ret) \ +inline bool \ +operator op (const sc_fxnum &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + SC_FXNUM_OBSERVER_READ_(b) \ + int result = sc_dt::cmp_scfx_rep(*a.m_rep, *b.m_rep); \ + return (ret); \ +} \ + \ +inline bool \ +operator op (const sc_fxnum &a, const sc_fxval &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(a) \ + int result = sc_dt::cmp_scfx_rep(*a.m_rep, *b.get_rep()); \ + return (ret); \ +} \ + \ +inline bool \ +operator op (const sc_fxval &a, const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(b) \ + int result = sc_dt::cmp_scfx_rep(*a.get_rep(), *b.m_rep); \ + return (ret); \ +} \ + \ +DEFN_REL_OP_T(op, ret, int) \ +DEFN_REL_OP_T(op, ret, unsigned int) \ +DEFN_REL_OP_T(op, ret, long) \ +DEFN_REL_OP_T(op, ret, unsigned long) \ +DEFN_REL_OP_T(op, ret, float) \ +DEFN_REL_OP_T(op, ret, double) \ +DEFN_REL_OP_T(op, ret, const char *) \ +DEFN_REL_OP_T(op, ret, const sc_fxval_fast &) \ +DEFN_REL_OP_T(op, ret, const sc_fxnum_fast &) \ +DEFN_REL_OP_OTHER(op, ret) + +DEFN_REL_OP(<, result < 0) +DEFN_REL_OP(<=, result <= 0) +DEFN_REL_OP(>, result > 0 && result != 2) +DEFN_REL_OP(>=, result >= 0 && result != 2) +DEFN_REL_OP(==, result == 0) +DEFN_REL_OP(!=, result != 0) + +#undef DEFN_REL_OP_T +#undef DEFN_REL_OP_OTHER +#undef DEFN_REL_OP + +// assignment operators +inline sc_fxnum & +sc_fxnum::operator = (const sc_fxnum &a) +{ + if (&a != this) { + SC_FXNUM_OBSERVER_READ_(a) + *m_rep = *a.m_rep; + cast(); + SC_FXNUM_OBSERVER_WRITE_(*this) + } + return *this; +} + +inline sc_fxnum & +sc_fxnum::operator = (const sc_fxval &a) +{ + *m_rep = *a.get_rep(); + cast(); + SC_FXNUM_OBSERVER_WRITE_(*this) + return *this; +} + +#define DEFN_ASN_OP_T(tp) \ +inline sc_fxnum & \ +sc_fxnum::operator = (tp a) \ +{ \ + sc_fxval tmp(a); \ + *m_rep = *tmp.get_rep(); \ + cast(); \ + SC_FXNUM_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +DEFN_ASN_OP_T(int) +DEFN_ASN_OP_T(unsigned int) +DEFN_ASN_OP_T(long) +DEFN_ASN_OP_T(unsigned long) +DEFN_ASN_OP_T(float) +DEFN_ASN_OP_T(double) +DEFN_ASN_OP_T(const char *) +DEFN_ASN_OP_T(const sc_fxval_fast &) +DEFN_ASN_OP_T(const sc_fxnum_fast &) + +DEFN_ASN_OP_T(int64) +DEFN_ASN_OP_T(uint64) +DEFN_ASN_OP_T(const sc_int_base &) +DEFN_ASN_OP_T(const sc_uint_base &) +DEFN_ASN_OP_T(const sc_signed &) +DEFN_ASN_OP_T(const sc_unsigned &) + +#undef DEFN_ASN_OP_T + + +#define DEFN_ASN_OP_T(op, fnc, tp) \ +inline sc_fxnum & \ +sc_fxnum::operator op (tp b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(*this) \ + sc_fxval tmp(b); \ + scfx_rep *new_rep = sc_dt::fnc ## _scfx_rep(*m_rep, *tmp.get_rep()); \ + delete m_rep; \ + m_rep = new_rep; \ + cast(); \ + SC_FXNUM_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +#define DEFN_ASN_OP_OTHER(op, fnc) \ +DEFN_ASN_OP_T(op, fnc, int64) \ +DEFN_ASN_OP_T(op, fnc, uint64) \ +DEFN_ASN_OP_T(op, fnc, const sc_int_base &) \ +DEFN_ASN_OP_T(op, fnc, const sc_uint_base &) \ +DEFN_ASN_OP_T(op, fnc, const sc_signed &) \ +DEFN_ASN_OP_T(op, fnc, const sc_unsigned &) + +#define DEFN_ASN_OP(op, fnc) \ +inline sc_fxnum & \ +sc_fxnum::operator op (const sc_fxnum &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(*this) \ + SC_FXNUM_OBSERVER_READ_(b) \ + scfx_rep *new_rep = sc_dt::fnc ## _scfx_rep(*m_rep, *b.m_rep); \ + delete m_rep; \ + m_rep = new_rep; \ + cast(); \ + SC_FXNUM_OBSERVER_WRITE_(*this) \ + return *this; \ +} \ + \ +inline sc_fxnum & \ +sc_fxnum::operator op (const sc_fxval &b) \ +{ \ + SC_FXNUM_OBSERVER_READ_(*this) \ + scfx_rep *new_rep = sc_dt::fnc ## _scfx_rep(*m_rep, *b.get_rep()); \ + delete m_rep; \ + m_rep = new_rep; \ + cast(); \ + SC_FXNUM_OBSERVER_WRITE_(*this) \ + return *this; \ +} \ + \ +DEFN_ASN_OP_T(op, fnc, int) \ +DEFN_ASN_OP_T(op, fnc, unsigned int) \ +DEFN_ASN_OP_T(op, fnc, long) \ +DEFN_ASN_OP_T(op, fnc, unsigned long) \ +DEFN_ASN_OP_T(op, fnc, float) \ +DEFN_ASN_OP_T(op, fnc, double) \ +DEFN_ASN_OP_T(op, fnc, const char *) \ +DEFN_ASN_OP_T(op, fnc, const sc_fxval_fast &) \ +DEFN_ASN_OP_T(op, fnc, const sc_fxnum_fast &) \ +DEFN_ASN_OP_OTHER(op, fnc) + +DEFN_ASN_OP(*=, mult) +DEFN_ASN_OP(/=, div) +DEFN_ASN_OP(+=, add) +DEFN_ASN_OP(-=, sub) + +#undef DEFN_ASN_OP_T +#undef DEFN_ASN_OP_OTHER +#undef DEFN_ASN_OP + + +inline sc_fxnum & +sc_fxnum::operator <<= (int b) +{ + SC_FXNUM_OBSERVER_READ_(*this) + m_rep->lshift(b); + cast(); + SC_FXNUM_OBSERVER_WRITE_(*this) + return *this; +} + +inline sc_fxnum & +sc_fxnum::operator >>= (int b) +{ + SC_FXNUM_OBSERVER_READ_(*this) + m_rep->rshift(b); + cast(); + SC_FXNUM_OBSERVER_WRITE_(*this) + return *this; +} + +// auto-increment and auto-decrement +inline const sc_fxval +sc_fxnum::operator ++ (int) +{ + sc_fxval c(*this); + (*this) += 1; + return c; +} + +inline const sc_fxval +sc_fxnum::operator -- (int) +{ + sc_fxval c(*this); + (*this) -= 1; + return c; +} + +inline sc_fxnum & +sc_fxnum::operator ++ () +{ + (*this) += 1; + return *this; +} + +inline sc_fxnum & +sc_fxnum::operator -- () +{ + (*this) -= 1; + return *this; +} + +// bit selection +inline const sc_fxnum_bitref +sc_fxnum::operator [] (int i) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_bitref(const_cast<sc_fxnum &>(*this), + i - m_params.fwl()); +} + +inline sc_fxnum_bitref +sc_fxnum::operator [] (int i) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_bitref(*this, i - m_params.fwl()); +} + +inline const sc_fxnum_bitref +sc_fxnum::bit(int i) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_bitref(const_cast<sc_fxnum &>(*this), + i - m_params.fwl()); +} + +inline sc_fxnum_bitref +sc_fxnum::bit(int i) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_bitref(*this, i - m_params.fwl()); +} + +// part selection + +inline const sc_fxnum_subref +sc_fxnum::operator () (int i, int j) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_subref(const_cast<sc_fxnum &>(*this), + i - m_params.fwl(), j - m_params.fwl()); +} + +inline sc_fxnum_subref +sc_fxnum::operator () (int i, int j) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_subref(*this, i - m_params.fwl(), j - m_params.fwl()); +} + +inline const sc_fxnum_subref +sc_fxnum::range(int i, int j) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_subref(const_cast<sc_fxnum &>(*this), + i - m_params.fwl(), j - m_params.fwl()); +} + +inline sc_fxnum_subref +sc_fxnum::range(int i, int j) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_subref(*this, i - m_params.fwl(), j - m_params.fwl()); +} + + +inline const sc_fxnum_subref +sc_fxnum::operator () () const +{ + return this->operator () (m_params.wl() - 1, 0); +} + +inline sc_fxnum_subref +sc_fxnum::operator () () +{ + return this->operator () (m_params.wl() - 1, 0); +} + +inline const sc_fxnum_subref +sc_fxnum::range() const +{ + return this->range(m_params.wl() - 1, 0); +} + +inline sc_fxnum_subref +sc_fxnum::range() +{ + return this->range(m_params.wl() - 1, 0); +} + +// implicit conversion +inline sc_fxnum::operator double() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return m_rep->to_double(); +} + +// explicit conversion to primitive types +inline short +sc_fxnum::to_short() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<short>(m_rep->to_uint64()); +} + +inline unsigned short +sc_fxnum::to_ushort() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<unsigned short>(m_rep->to_uint64()); +} + +inline int +sc_fxnum::to_int() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<int>(m_rep->to_uint64()); +} + +inline int64 +sc_fxnum::to_int64() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<int64>(m_rep->to_uint64()); +} + +inline unsigned int +sc_fxnum::to_uint() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<unsigned int>(m_rep->to_uint64()); +} + +inline uint64 +sc_fxnum::to_uint64() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return m_rep->to_uint64(); +} + +inline long +sc_fxnum::to_long() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<long>(m_rep->to_uint64()); +} + +inline unsigned long +sc_fxnum::to_ulong() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<unsigned long>(m_rep->to_uint64()); +} + +inline float +sc_fxnum::to_float() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return static_cast<float>(m_rep->to_double()); +} + +inline double +sc_fxnum::to_double() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return m_rep->to_double(); +} + +// query value +inline bool +sc_fxnum::is_neg() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return m_rep->is_neg(); +} + +inline bool +sc_fxnum::is_zero() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return m_rep->is_zero(); +} + +// internal use only; +inline bool +sc_fxnum::is_normal() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return m_rep->is_normal(); +} + +inline bool +sc_fxnum::quantization_flag() const +{ + return m_q_flag; +} + +inline bool +sc_fxnum::overflow_flag() const +{ + return m_o_flag; +} + + +inline const sc_fxval +sc_fxnum::value() const +{ + SC_FXNUM_OBSERVER_READ_(*this) + return sc_fxval(new scfx_rep(*m_rep)); +} + +// query parameters +inline int +sc_fxnum::wl() const +{ + return m_params.wl(); +} + +inline int +sc_fxnum::iwl() const +{ + return m_params.iwl(); +} + +inline sc_q_mode +sc_fxnum::q_mode() const +{ + return m_params.q_mode(); +} + +inline sc_o_mode +sc_fxnum::o_mode() const +{ + return m_params.o_mode(); +} + +inline int +sc_fxnum::n_bits() const +{ + return m_params.n_bits(); +} + +inline const sc_fxtype_params & +sc_fxnum::type_params() const +{ + return m_params.type_params(); +} + +inline const sc_fxcast_switch & +sc_fxnum::cast_switch() const +{ + return m_params.cast_switch(); +} + +// internal use only; +inline void +sc_fxnum::observer_read() const +{ + SC_FXNUM_OBSERVER_READ_(*this); +} + +// internal use only; +inline bool +sc_fxnum::get_bit(int i) const +{ + return m_rep->get_bit(i); +} + +// protected methods and friend functions +inline bool +sc_fxnum::set_bit(int i, bool high) +{ + if (high) + return m_rep->set(i, m_params); + else + return m_rep->clear(i, m_params); +} + +inline bool +sc_fxnum::get_slice(int i, int j, sc_bv_base &bv) const +{ + return m_rep->get_slice(i, j, m_params, bv); +} + +inline bool +sc_fxnum::set_slice(int i, int j, const sc_bv_base &bv) +{ + return m_rep->set_slice(i, j, m_params, bv); +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_fxnum &a) +{ + a.print(os); + return os; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_fxnum &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxnum_fast +// +// Base class for the fixed-point types; limited precision. +// ---------------------------------------------------------------------------- + +inline sc_fxnum_fast_observer * +sc_fxnum_fast::observer() const +{ + return m_observer; +} + + +// constructors +inline sc_fxnum_fast::sc_fxnum_fast(const sc_fxtype_params &type_params_, + sc_enc enc_, + const sc_fxcast_switch &cast_sw, + sc_fxnum_fast_observer *observer_) : + m_val(0.0), m_params(type_params_, enc_, cast_sw), m_q_flag(false), + m_o_flag(false), m_observer(observer_) +{ + SC_FXNUM_FAST_OBSERVER_DEFAULT_ + SC_FXNUM_FAST_OBSERVER_CONSTRUCT_(*this) +} + +inline sc_fxnum_fast::sc_fxnum_fast(const sc_fxnum_fast &a, + const sc_fxtype_params &type_params_, + sc_enc enc_, + const sc_fxcast_switch &cast_sw, + sc_fxnum_fast_observer *observer_) : + m_val(a.m_val), m_params(type_params_, enc_, cast_sw), m_q_flag(false), + m_o_flag(false), m_observer(observer_) +{ + SC_FXNUM_FAST_OBSERVER_DEFAULT_ + SC_FXNUM_FAST_OBSERVER_READ_(a) + cast(); + SC_FXNUM_FAST_OBSERVER_CONSTRUCT_(*this) + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) +} + +#define DEFN_CTOR_T(tp, arg) \ +inline sc_fxnum_fast::sc_fxnum_fast( \ + tp a, const sc_fxtype_params &type_params_, sc_enc enc_, \ + const sc_fxcast_switch &cast_sw, \ + sc_fxnum_fast_observer *observer_) : \ + m_val(arg), m_params(type_params_, enc_, cast_sw), m_q_flag(false), \ + m_o_flag(false), m_observer(observer_) \ +{ \ + SC_FXNUM_FAST_OBSERVER_DEFAULT_ \ + cast(); \ + SC_FXNUM_FAST_OBSERVER_CONSTRUCT_(*this) \ + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) \ +} + +#define DEFN_CTOR_T_A(tp) DEFN_CTOR_T(tp, static_cast<double>(a)) +#define DEFN_CTOR_T_B(tp) DEFN_CTOR_T(tp, sc_fxval_fast::from_string(a)) +#define DEFN_CTOR_T_C(tp) DEFN_CTOR_T(tp, a.to_double()) + +DEFN_CTOR_T_A(int) +DEFN_CTOR_T_A(unsigned int) +DEFN_CTOR_T_A(long) +DEFN_CTOR_T_A(unsigned long) +DEFN_CTOR_T_A(float) +DEFN_CTOR_T_A(double) +DEFN_CTOR_T_B(const char *) +DEFN_CTOR_T_C(const sc_fxval &) +DEFN_CTOR_T_C(const sc_fxval_fast &) +DEFN_CTOR_T_C(const sc_fxnum &) + +DEFN_CTOR_T_A(int64) +DEFN_CTOR_T_A(uint64) +DEFN_CTOR_T_C(const sc_int_base &) +DEFN_CTOR_T_C(const sc_uint_base &) +DEFN_CTOR_T_C(const sc_signed &) +DEFN_CTOR_T_C(const sc_unsigned &) + +#undef DEFN_CTOR_T +#undef DEFN_CTOR_T_A +#undef DEFN_CTOR_T_B +#undef DEFN_CTOR_T_C +#undef DEFN_CTOR_T_D +#undef DEFN_CTOR_T_E + +inline sc_fxnum_fast::~sc_fxnum_fast() +{ + SC_FXNUM_FAST_OBSERVER_DESTRUCT_(*this) +} + +// internal use only; +inline double +sc_fxnum_fast::get_val() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + return m_val; +} + +// unary operators +inline const sc_fxval_fast +sc_fxnum_fast::operator - () const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + return sc_fxval_fast(- m_val); +} + +inline const sc_fxval_fast +sc_fxnum_fast::operator + () const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + return sc_fxval_fast(m_val); +} + +// unary functions +inline void +neg(sc_fxval_fast &c, const sc_fxnum_fast &a) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + c.set_val(- a.m_val); +} + +inline void +neg(sc_fxnum_fast &c, const sc_fxnum_fast &a) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + c.m_val = - a.m_val; + c.cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(c) +} + +// binary operators +#define DEFN_BIN_OP_T(op, tp) \ +inline const sc_fxval_fast \ +operator op (const sc_fxnum_fast &a, tp b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + sc_fxval_fast tmp(b); \ + return sc_fxval_fast(a.m_val op tmp.get_val()); \ +} \ + \ +inline const sc_fxval_fast \ +operator op (tp a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + sc_fxval_fast tmp(a); \ + return sc_fxval_fast(tmp.get_val() op b.m_val); \ +} + +#define DEFN_BIN_OP_OTHER(op) \ +DEFN_BIN_OP_T(op, int64) \ +DEFN_BIN_OP_T(op, uint64) \ +DEFN_BIN_OP_T(op, const sc_int_base &) \ +DEFN_BIN_OP_T(op, const sc_uint_base &) \ +DEFN_BIN_OP_T(op, const sc_signed &) \ +DEFN_BIN_OP_T(op, const sc_unsigned &) + +#define DEFN_BIN_OP(op, dummy) \ +inline const sc_fxval_fast \ +operator op (const sc_fxnum_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + return sc_fxval_fast(a.m_val op b.m_val); \ +} \ + \ +inline const sc_fxval_fast \ +operator op (const sc_fxnum_fast &a, const sc_fxval_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + return sc_fxval_fast(a.m_val op b.get_val()); \ +} \ + \ +inline const sc_fxval_fast \ +operator op (const sc_fxval_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + return sc_fxval_fast(a.get_val() op b.m_val); \ +} \ + \ +DEFN_BIN_OP_T(op, int) \ +DEFN_BIN_OP_T(op, unsigned int) \ +DEFN_BIN_OP_T(op, long) \ +DEFN_BIN_OP_T(op, unsigned long) \ +DEFN_BIN_OP_T(op, float) \ +DEFN_BIN_OP_T(op, double) \ +DEFN_BIN_OP_T(op, const char *) \ +DEFN_BIN_OP_OTHER(op) + +DEFN_BIN_OP(*, mult) +DEFN_BIN_OP(+, add) +DEFN_BIN_OP(-, sub) +//DEFN_BIN_OP(/, div) +inline const sc_fxval_fast +operator / (const sc_fxnum_fast &a, const sc_fxnum_fast &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + SC_FXNUM_FAST_OBSERVER_READ_(b) + return sc_fxval_fast(a.m_val / b.m_val); +} + +inline const sc_fxval_fast +operator / (const sc_fxnum_fast &a, const sc_fxval_fast &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + return sc_fxval_fast(a.m_val / b.get_val()); +} + +inline const sc_fxval_fast +operator / (const sc_fxval_fast &a, const sc_fxnum_fast &b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(b) + return sc_fxval_fast(a.get_val() / b.m_val); +} + +DEFN_BIN_OP_T(/, int) +DEFN_BIN_OP_T(/, unsigned int) +DEFN_BIN_OP_T(/, long) +DEFN_BIN_OP_T(/, unsigned long) +DEFN_BIN_OP_T(/, float) +DEFN_BIN_OP_T(/, double) +DEFN_BIN_OP_T(/, const char *) +//DEFN_BIN_OP_OTHER(/) + +DEFN_BIN_OP_T(/, int64) +DEFN_BIN_OP_T(/, uint64) +DEFN_BIN_OP_T(/, const sc_int_base &) +DEFN_BIN_OP_T(/, const sc_uint_base &) +DEFN_BIN_OP_T(/, const sc_signed &) +DEFN_BIN_OP_T(/, const sc_unsigned &) + +#undef DEFN_BIN_OP_T +#undef DEFN_BIN_OP_OTHER +#undef DEFN_BIN_OP + +inline const sc_fxval_fast +operator << (const sc_fxnum_fast &a, int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + return sc_fxval_fast(a.m_val *scfx_pow2(b)); +} + +inline const sc_fxval_fast +operator >> (const sc_fxnum_fast &a, int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + return sc_fxval_fast(a.m_val *scfx_pow2(-b)); +} + +// binary functions +#define DEFN_BIN_FNC_T(fnc, op, tp) \ +inline void \ +fnc (sc_fxval_fast &c, const sc_fxnum_fast &a, tp b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + sc_fxval_fast tmp(b); \ + c.set_val(a.m_val op tmp.get_val()); \ +} \ + \ +inline void \ +fnc (sc_fxval_fast &c, tp a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + sc_fxval_fast tmp(a); \ + c.set_val(tmp.get_val() op b.m_val); \ +} \ + \ +inline void \ +fnc (sc_fxnum_fast &c, const sc_fxnum_fast &a, tp b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + sc_fxval_fast tmp(b); \ + c.m_val = a.m_val op tmp.get_val(); \ + c.cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxnum_fast &c, tp a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + sc_fxval_fast tmp(a); \ + c.m_val = tmp.get_val() op b.m_val; \ + c.cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(c) \ +} + +#define DEFN_BIN_FNC_OTHER(fnc, op) \ +DEFN_BIN_FNC_T(fnc, op, int64) \ +DEFN_BIN_FNC_T(fnc, op, uint64) \ +DEFN_BIN_FNC_T(fnc, op, const sc_int_base &) \ +DEFN_BIN_FNC_T(fnc, op, const sc_uint_base &) \ +DEFN_BIN_FNC_T(fnc, op, const sc_signed &) \ +DEFN_BIN_FNC_T(fnc, op, const sc_unsigned &) + +#define DEFN_BIN_FNC(fnc, op) \ +inline void \ +fnc (sc_fxval_fast &c, const sc_fxnum_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + c.set_val(a.m_val op b.m_val); \ +} \ + \ +inline void \ +fnc (sc_fxnum_fast &c, const sc_fxnum_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + c.m_val = a.m_val op b.m_val; \ + c.cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxval_fast &c, const sc_fxnum_fast &a, const sc_fxval_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + c.set_val(a.m_val op b.get_val()); \ +} \ + \ +inline void \ +fnc (sc_fxval_fast &c, const sc_fxval_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + c.set_val(a.get_val() op b.m_val); \ +} \ + \ +inline void \ +fnc (sc_fxnum_fast &c, const sc_fxnum_fast &a, const sc_fxval_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + c.m_val = a.m_val op b.get_val(); \ + c.cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxnum_fast &c, const sc_fxval_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + c.m_val = a.get_val() op b.m_val; \ + c.cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(c) \ +} \ + \ +DEFN_BIN_FNC_T(fnc, op, int) \ +DEFN_BIN_FNC_T(fnc, op, unsigned int) \ +DEFN_BIN_FNC_T(fnc, op, long) \ +DEFN_BIN_FNC_T(fnc, op, unsigned long) \ +DEFN_BIN_FNC_T(fnc, op, float) \ +DEFN_BIN_FNC_T(fnc, op, double) \ +DEFN_BIN_FNC_T(fnc, op, const char *) \ +DEFN_BIN_FNC_T(fnc, op, const sc_fxval &) \ +DEFN_BIN_FNC_T(fnc, op, const sc_fxnum &) \ +DEFN_BIN_FNC_OTHER(fnc, op) + +DEFN_BIN_FNC(mult, *) +DEFN_BIN_FNC(div, /) +DEFN_BIN_FNC(add, +) +DEFN_BIN_FNC(sub, -) + +#undef DEFN_BIN_FNC_T +#undef DEFN_BIN_FNC_OTHER +#undef DEFN_BIN_FNC + +inline void +lshift(sc_fxval_fast &c, const sc_fxnum_fast &a, int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + c.set_val(a.m_val * scfx_pow2(b)); +} + +inline void +rshift(sc_fxval_fast &c, const sc_fxnum_fast &a, int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + c.set_val(a.m_val * scfx_pow2(-b)); +} + +inline void +lshift(sc_fxnum_fast &c, const sc_fxnum_fast &a, int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + c.m_val = a.m_val * scfx_pow2(b); + c.cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(c) +} + +inline void +rshift(sc_fxnum_fast &c, const sc_fxnum_fast &a, int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(a) + c.m_val = a.m_val * scfx_pow2(-b); + c.cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(c) +} + +// relational (including equality) operators +#define DEFN_REL_OP_T(op, tp) \ +inline bool \ +operator op (const sc_fxnum_fast &a, tp b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + sc_fxval_fast tmp(b); \ + return (a.m_val op tmp.get_val()); \ +} \ + \ +inline bool \ +operator op (tp a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + sc_fxval_fast tmp(a); \ + return (tmp.get_val() op b.m_val); \ +} + +#define DEFN_REL_OP_OTHER(op) \ +DEFN_REL_OP_T(op, int64) \ +DEFN_REL_OP_T(op, uint64) \ +DEFN_REL_OP_T(op, const sc_int_base &) \ +DEFN_REL_OP_T(op, const sc_uint_base &) \ +DEFN_REL_OP_T(op, const sc_signed &) \ +DEFN_REL_OP_T(op, const sc_unsigned &) + +#define DEFN_REL_OP(op) \ +inline bool \ +operator op (const sc_fxnum_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + return (a.m_val op b.m_val); \ +} \ + \ +inline bool \ +operator op (const sc_fxnum_fast &a, const sc_fxval_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(a) \ + return (a.m_val op b.get_val()); \ +} \ + \ +inline bool \ +operator op (const sc_fxval_fast &a, const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + return (a.get_val() op b.m_val); \ +} \ + \ +DEFN_REL_OP_T(op, int) \ +DEFN_REL_OP_T(op, unsigned int) \ +DEFN_REL_OP_T(op, long) \ +DEFN_REL_OP_T(op, unsigned long) \ +DEFN_REL_OP_T(op, float) \ +DEFN_REL_OP_T(op, double) \ +DEFN_REL_OP_T(op, const char *) \ +DEFN_REL_OP_OTHER(op) + +DEFN_REL_OP(<) +DEFN_REL_OP(<=) +DEFN_REL_OP(>) +DEFN_REL_OP(>=) +DEFN_REL_OP(==) +DEFN_REL_OP(!=) + +#undef DEFN_REL_OP_T +#undef DEFN_REL_OP_OTHER +#undef DEFN_REL_OP + +// assignment operators + +inline sc_fxnum_fast & +sc_fxnum_fast::operator = (const sc_fxnum_fast &a) +{ + if (&a != this) { + SC_FXNUM_FAST_OBSERVER_READ_(a) + m_val = a.m_val; + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + } + return *this; +} + +inline sc_fxnum_fast & +sc_fxnum_fast::operator = (const sc_fxval_fast &a) +{ + m_val = a.get_val(); + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + return *this; +} + +#define DEFN_ASN_OP_T(tp) \ +inline sc_fxnum_fast & \ +sc_fxnum_fast::operator = (tp a) \ +{ \ + sc_fxval_fast tmp(a); \ + m_val = tmp.get_val(); \ + cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +DEFN_ASN_OP_T(int) +DEFN_ASN_OP_T(unsigned int) +DEFN_ASN_OP_T(long) +DEFN_ASN_OP_T(unsigned long) +DEFN_ASN_OP_T(float) +DEFN_ASN_OP_T(double) +DEFN_ASN_OP_T(const char *) +DEFN_ASN_OP_T(const sc_fxval &) +DEFN_ASN_OP_T(const sc_fxnum &) + +DEFN_ASN_OP_T(int64) +DEFN_ASN_OP_T(uint64) +DEFN_ASN_OP_T(const sc_int_base &) +DEFN_ASN_OP_T(const sc_uint_base &) +DEFN_ASN_OP_T(const sc_signed &) +DEFN_ASN_OP_T(const sc_unsigned &) + +#undef DEFN_ASN_OP_T + +#define DEFN_ASN_OP_T(op, tp) \ +inline sc_fxnum_fast & \ +sc_fxnum_fast::operator op (tp b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(*this) \ + sc_fxval_fast tmp(b); \ + m_val op tmp.get_val(); \ + cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +#define DEFN_ASN_OP_OTHER(op) \ +DEFN_ASN_OP_T(op, int64) \ +DEFN_ASN_OP_T(op, uint64) \ +DEFN_ASN_OP_T(op, const sc_int_base &) \ +DEFN_ASN_OP_T(op, const sc_uint_base &) \ +DEFN_ASN_OP_T(op, const sc_signed &) \ +DEFN_ASN_OP_T(op, const sc_unsigned &) + +#define DEFN_ASN_OP(op) \ +inline sc_fxnum_fast & \ +sc_fxnum_fast::operator op (const sc_fxnum_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(*this) \ + SC_FXNUM_FAST_OBSERVER_READ_(b) \ + m_val op b.m_val; \ + cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) \ + return *this; \ +} \ + \ +inline sc_fxnum_fast & \ +sc_fxnum_fast::operator op (const sc_fxval_fast &b) \ +{ \ + SC_FXNUM_FAST_OBSERVER_READ_(*this) \ + m_val op b.get_val(); \ + cast(); \ + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) \ + return *this; \ +} \ + \ +DEFN_ASN_OP_T(op, int) \ +DEFN_ASN_OP_T(op, unsigned int) \ +DEFN_ASN_OP_T(op, long) \ +DEFN_ASN_OP_T(op, unsigned long) \ +DEFN_ASN_OP_T(op, float) \ +DEFN_ASN_OP_T(op, double) \ +DEFN_ASN_OP_T(op, const char *) \ +DEFN_ASN_OP_T(op, const sc_fxval &) \ +DEFN_ASN_OP_T(op, const sc_fxnum &) \ +DEFN_ASN_OP_OTHER(op) + +DEFN_ASN_OP(*=) +DEFN_ASN_OP(/=) +DEFN_ASN_OP(+=) +DEFN_ASN_OP(-=) + +#undef DEFN_ASN_OP_T +#undef DEFN_ASN_OP_OTHER +#undef DEFN_ASN_OP + +inline sc_fxnum_fast & +sc_fxnum_fast::operator <<= (int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + m_val *= scfx_pow2(b); + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + return *this; +} + +inline sc_fxnum_fast & +sc_fxnum_fast::operator >>= (int b) +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + m_val *= scfx_pow2(-b); + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + return *this; +} + +// auto-increment and auto-decrement +inline const sc_fxval_fast +sc_fxnum_fast::operator ++ (int) +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + SC_FXNUM_FAST_OBSERVER_READ_(*this) + double c = m_val; + m_val = m_val + 1; + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + return sc_fxval_fast(c); +} + +inline const sc_fxval_fast +sc_fxnum_fast::operator -- (int) +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + SC_FXNUM_FAST_OBSERVER_READ_(*this) + double c = m_val; + m_val = m_val - 1; + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + return sc_fxval_fast(c); +} + +inline sc_fxnum_fast & +sc_fxnum_fast::operator ++ () +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + m_val = m_val + 1; + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + return *this; +} + +inline sc_fxnum_fast & +sc_fxnum_fast::operator -- () +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + m_val = m_val - 1; + cast(); + SC_FXNUM_FAST_OBSERVER_WRITE_(*this) + return *this; +} + +// bit selection +inline const sc_fxnum_fast_bitref +sc_fxnum_fast::operator [] (int i) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_fast_bitref(const_cast<sc_fxnum_fast &>(*this), + i - m_params.fwl()); +} + +inline sc_fxnum_fast_bitref +sc_fxnum_fast::operator [] (int i) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_fast_bitref(*this, i - m_params.fwl()); +} + +inline const sc_fxnum_fast_bitref +sc_fxnum_fast::bit(int i) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_fast_bitref(const_cast<sc_fxnum_fast &>(*this), + i - m_params.fwl()); +} + +inline sc_fxnum_fast_bitref +sc_fxnum_fast::bit(int i) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + return sc_fxnum_fast_bitref(*this, i - m_params.fwl()); +} + +// part selection +inline const sc_fxnum_fast_subref +sc_fxnum_fast::operator () (int i, int j) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_fast_subref(const_cast<sc_fxnum_fast &>(*this), + i - m_params.fwl(), j - m_params.fwl()); +} + +inline sc_fxnum_fast_subref +sc_fxnum_fast::operator () (int i, int j) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_fast_subref(*this, i - m_params.fwl(), j - m_params.fwl()); +} + +inline const sc_fxnum_fast_subref +sc_fxnum_fast::range(int i, int j) const +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_fast_subref(const_cast<sc_fxnum_fast &>(*this), + i - m_params.fwl(), j - m_params.fwl()); +} + +inline sc_fxnum_fast_subref +sc_fxnum_fast::range(int i, int j) +{ + SC_ERROR_IF_(i < 0 || i >= m_params.wl(), "index out of range"); + SC_ERROR_IF_(j < 0 || j >= m_params.wl(), "index out of range"); + + return sc_fxnum_fast_subref(*this, i - m_params.fwl(), j - m_params.fwl()); +} + +inline const sc_fxnum_fast_subref +sc_fxnum_fast::operator () () const +{ + return this->operator () (m_params.wl() - 1, 0); +} + +inline sc_fxnum_fast_subref +sc_fxnum_fast::operator () () +{ + return this->operator () (m_params.wl() - 1, 0); +} + +inline const sc_fxnum_fast_subref +sc_fxnum_fast::range() const +{ + return this->range(m_params.wl() - 1, 0); +} + +inline sc_fxnum_fast_subref +sc_fxnum_fast::range() +{ + return this->range(m_params.wl() - 1, 0); +} + +// implicit conversion +inline sc_fxnum_fast::operator double() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + return m_val; +} + +// explicit conversion to primitive types +inline short +sc_fxnum_fast::to_short() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in to_uint64 + return static_cast<short>(to_uint64()); +} + +inline unsigned short +sc_fxnum_fast::to_ushort() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in to_uint64 + return static_cast<unsigned short>(to_uint64()); +} + +inline int +sc_fxnum_fast::to_int() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in to_uint64 + return static_cast<int>(to_uint64()); +} + +inline int64 +sc_fxnum_fast::to_int64() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in to_uint64 + return static_cast<int64>(to_uint64()); +} + +inline unsigned int +sc_fxnum_fast::to_uint() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in to_uint64 + return static_cast<unsigned int>(to_uint64()); +} + +inline uint64 +sc_fxnum_fast::to_uint64() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in is_normal + if (!is_normal()) { + return 0; + } + + int exponent; + double mantissa_dbl = frexp(m_val, &exponent); + + uint64 mantissa = static_cast<uint64>(fabs(mantissa_dbl) * + (UINT64_ONE << 53)); + exponent -= 53; + + if (!(-64 < exponent && exponent < 64)) { + return 0; + } + + mantissa = exponent >= 0 ? mantissa << exponent : mantissa >> -exponent; + return mantissa_dbl >= 0 ? mantissa : -mantissa; +} + +inline long +sc_fxnum_fast::to_long() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in to_uint64 + return static_cast<long>(to_uint64()); +} + +inline unsigned long +sc_fxnum_fast::to_ulong() const +{ + // SC_FXNUM_FAST_OBSERVER_READ_ in to_uint64 + return static_cast<unsigned long>(to_uint64()); +} + +inline float +sc_fxnum_fast::to_float() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + return static_cast<float>(m_val); +} + +inline double +sc_fxnum_fast::to_double() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + return m_val; +} + +// query value +inline bool +sc_fxnum_fast::is_neg() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + scfx_ieee_double id(m_val); + return (id.negative() != 0); +} + +inline bool +sc_fxnum_fast::is_zero() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + scfx_ieee_double id(m_val); + return id.is_zero(); +} + +// internal use only; +inline bool +sc_fxnum_fast::is_normal() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + scfx_ieee_double id(m_val); + return (id.is_normal() || id.is_subnormal() || id.is_zero()); +} + +inline bool +sc_fxnum_fast::quantization_flag() const +{ + return m_q_flag; +} + +inline bool +sc_fxnum_fast::overflow_flag() const +{ + return m_o_flag; +} + +inline const sc_fxval_fast +sc_fxnum_fast::value() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this) + return sc_fxval_fast(m_val); +} + +// query parameters +inline int +sc_fxnum_fast::wl() const +{ + return m_params.wl(); +} + +inline int +sc_fxnum_fast::iwl() const +{ + return m_params.iwl(); +} + +inline sc_q_mode +sc_fxnum_fast::q_mode() const +{ + return m_params.q_mode(); +} + +inline sc_o_mode +sc_fxnum_fast::o_mode() const +{ + return m_params.o_mode(); +} + +inline int +sc_fxnum_fast::n_bits() const +{ + return m_params.n_bits(); +} + +inline const sc_fxtype_params & +sc_fxnum_fast::type_params() const +{ + return m_params.type_params(); +} + +inline const sc_fxcast_switch & +sc_fxnum_fast::cast_switch() const +{ + return m_params.cast_switch(); +} + +// internal use only; +inline void +sc_fxnum_fast::observer_read() const +{ + SC_FXNUM_FAST_OBSERVER_READ_(*this); +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_fxnum_fast &a) +{ + a.print(os); + return os; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_fxnum_fast &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxval +// +// Fixed-point value type; arbitrary precision. +// ---------------------------------------------------------------------------- + +// public constructors +inline sc_fxval::sc_fxval(const sc_fxnum &a, sc_fxval_observer *observer_) : + m_rep(new scfx_rep(*a.get_rep())), m_observer(observer_) +{ + SC_FXVAL_OBSERVER_DEFAULT_ + SC_FXVAL_OBSERVER_CONSTRUCT_(*this) + SC_FXVAL_OBSERVER_WRITE_(*this) +} + +inline sc_fxval::sc_fxval(const sc_fxnum_fast &a, + sc_fxval_observer *observer_) : + m_rep(new scfx_rep(a.to_double())), m_observer(observer_) +{ + SC_FXVAL_OBSERVER_DEFAULT_ + SC_FXVAL_OBSERVER_CONSTRUCT_(*this) + SC_FXVAL_OBSERVER_WRITE_(*this) +} + +// binary operators +#define DEFN_BIN_OP_T(op, fnc, tp) \ +inline const sc_fxval \ +operator op (const sc_fxval &a, tp b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(a) \ + sc_fxval tmp(b); \ + return sc_fxval(sc_dt::fnc ## _scfx_rep(*a.m_rep, *tmp.m_rep)); \ +} \ + \ +inline const sc_fxval \ +operator op (tp a, const sc_fxval &b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(b) \ + sc_fxval tmp(a); \ + return sc_fxval(sc_dt::fnc ## _scfx_rep(*tmp.m_rep, *b.m_rep)); \ +} + +#define DEFN_BIN_OP(op, fnc) \ +DEFN_BIN_OP_T(op, fnc, const sc_fxnum_fast &) + +DEFN_BIN_OP(*, mult) +DEFN_BIN_OP(+, add) +DEFN_BIN_OP(-, sub) +//DEFN_BIN_OP(/, div) +DEFN_BIN_OP_T(/, div, const sc_fxnum_fast &) + +#undef DEFN_BIN_OP_T +#undef DEFN_BIN_OP + + +// binary functions +#define DEFN_BIN_FNC_T(fnc, tp) \ +inline void \ +fnc (sc_fxval &c, const sc_fxval &a, tp b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(a) \ + sc_fxval tmp(b); \ + delete c.m_rep; \ + c.m_rep = sc_dt::fnc ## _scfx_rep(*a.m_rep, *tmp.m_rep); \ + SC_FXVAL_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxval &c, tp a, const sc_fxval &b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(b) \ + sc_fxval tmp(a); \ + delete c.m_rep; \ + c.m_rep = sc_dt::fnc ## _scfx_rep(*tmp.m_rep, *b.m_rep); \ + SC_FXVAL_OBSERVER_WRITE_(c) \ +} + +#define DEFN_BIN_FNC(fnc) \ +DEFN_BIN_FNC_T(fnc, const sc_fxnum_fast &) + +DEFN_BIN_FNC(mult) +DEFN_BIN_FNC(div) +DEFN_BIN_FNC(add) +DEFN_BIN_FNC(sub) + +#undef DEFN_BIN_FNC_T +#undef DEFN_BIN_FNC + + +// relational (including equality) operators +#define DEFN_REL_OP_T(op, ret, tp) \ +inline bool \ +operator op (const sc_fxval &a, tp b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(a) \ + sc_fxval tmp(b); \ + int result = sc_dt::cmp_scfx_rep(*a.m_rep, *tmp.m_rep); \ + return (ret); \ +} \ + \ +inline bool \ +operator op (tp a, const sc_fxval &b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(b) \ + sc_fxval tmp(a); \ + int result = sc_dt::cmp_scfx_rep(*tmp.m_rep, *b.m_rep); \ + return (ret); \ +} + +#define DEFN_REL_OP(op, ret) \ +DEFN_REL_OP_T(op, ret, const sc_fxnum_fast &) + +DEFN_REL_OP(<, result < 0) +DEFN_REL_OP(<=, result <= 0) +DEFN_REL_OP(>, result > 0 && result != 2) +DEFN_REL_OP(>=, result >= 0 && result != 2) +DEFN_REL_OP(==, result == 0) +DEFN_REL_OP(!=, result != 0) + +#undef DEFN_REL_OP_T +#undef DEFN_REL_OP + +// assignment operators +inline sc_fxval & +sc_fxval::operator = (const sc_fxnum &a) +{ + *m_rep = *a.get_rep(); + SC_FXVAL_OBSERVER_WRITE_(*this) + return *this; +} + +#define DEFN_ASN_OP_T(tp) \ +inline sc_fxval & \ +sc_fxval::operator = (tp b) \ +{ \ + sc_fxval tmp(b); \ + *m_rep = *tmp.m_rep; \ + SC_FXVAL_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +DEFN_ASN_OP_T(const sc_fxnum_fast &) + +#undef DEFN_ASN_OP_T + +#define DEFN_ASN_OP_T(op, fnc, tp) \ +inline sc_fxval & \ +sc_fxval::operator op (tp b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(*this) \ + sc_fxval tmp(b); \ + scfx_rep *new_rep = sc_dt::fnc ## _scfx_rep(*m_rep, *tmp.m_rep); \ + delete m_rep; \ + m_rep = new_rep; \ + SC_FXVAL_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +#define DEFN_ASN_OP(op, fnc) \ +inline sc_fxval & \ +sc_fxval::operator op (const sc_fxnum &b) \ +{ \ + SC_FXVAL_OBSERVER_READ_(*this) \ + scfx_rep *new_rep = sc_dt::fnc ## _scfx_rep(*m_rep, *b.get_rep()); \ + delete m_rep; \ + m_rep = new_rep; \ + SC_FXVAL_OBSERVER_WRITE_(*this) \ + return *this; \ +} \ + \ +DEFN_ASN_OP_T(op, fnc, const sc_fxnum_fast &) + +DEFN_ASN_OP(*=, mult) +DEFN_ASN_OP(/=, div) +DEFN_ASN_OP(+=, add) +DEFN_ASN_OP(-=, sub) + +#undef DEFN_ASN_OP_T +#undef DEFN_ASN_OP + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fxval_fast +// +// Fixed-point value types; limited precision. +// ---------------------------------------------------------------------------- + +// public constructors + +inline +sc_fxval_fast::sc_fxval_fast(const sc_fxnum &a, + sc_fxval_fast_observer *observer_) : + m_val(a.to_double()), m_observer(observer_) +{ + SC_FXVAL_FAST_OBSERVER_DEFAULT_ + SC_FXVAL_FAST_OBSERVER_CONSTRUCT_(*this) + SC_FXVAL_FAST_OBSERVER_WRITE_(*this) +} + +inline sc_fxval_fast::sc_fxval_fast(const sc_fxnum_fast &a, + sc_fxval_fast_observer *observer_) : + m_val(a.get_val()), m_observer(observer_) +{ + SC_FXVAL_FAST_OBSERVER_DEFAULT_ + SC_FXVAL_FAST_OBSERVER_CONSTRUCT_(*this) + SC_FXVAL_FAST_OBSERVER_WRITE_(*this) +} + + +// binary functions +#define DEFN_BIN_FNC_T(fnc, op, tp) \ +inline void \ +fnc (sc_fxval_fast &c, const sc_fxval_fast &a, tp b) \ +{ \ + SC_FXVAL_FAST_OBSERVER_READ_(a) \ + sc_fxval_fast tmp(b); \ + c.m_val = a.m_val op tmp.m_val; \ + SC_FXVAL_FAST_OBSERVER_WRITE_(c) \ +} \ + \ +inline void \ +fnc (sc_fxval_fast &c, tp a, const sc_fxval_fast &b) \ +{ \ + SC_FXVAL_FAST_OBSERVER_READ_(b) \ + sc_fxval_fast tmp(a); \ + c.m_val = tmp.m_val op b.m_val; \ + SC_FXVAL_FAST_OBSERVER_WRITE_(c) \ +} + +#define DEFN_BIN_FNC(fnc, op) \ +DEFN_BIN_FNC_T(fnc, op, const sc_fxval &) \ +DEFN_BIN_FNC_T(fnc, op, const sc_fxnum &) + +DEFN_BIN_FNC(mult, *) +DEFN_BIN_FNC(div, /) +DEFN_BIN_FNC(add, +) +DEFN_BIN_FNC(sub, -) + +#undef DEFN_BIN_FNC_T +#undef DEFN_BIN_FNC + + +// assignment operators +inline sc_fxval_fast & +sc_fxval_fast::operator = (const sc_fxnum_fast &a) +{ + m_val = a.get_val(); + SC_FXVAL_FAST_OBSERVER_WRITE_(*this) + return *this; +} + +#define DEFN_ASN_OP_T(tp) \ +inline sc_fxval_fast & \ +sc_fxval_fast::operator = (tp a) \ +{ \ + sc_fxval_fast tmp(a); \ + m_val = tmp.m_val; \ + SC_FXVAL_FAST_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +DEFN_ASN_OP_T(const sc_fxnum &) + +#undef DEFN_ASN_OP_T + +#define DEFN_ASN_OP_T(op, tp) \ +inline sc_fxval_fast & \ +sc_fxval_fast::operator op (tp b) \ +{ \ + SC_FXVAL_FAST_OBSERVER_READ_(*this) \ + sc_fxval_fast tmp(b); \ + m_val op tmp.m_val; \ + SC_FXVAL_FAST_OBSERVER_WRITE_(*this) \ + return *this; \ +} + +#define DEFN_ASN_OP(op) \ +inline sc_fxval_fast & \ +sc_fxval_fast::operator op (const sc_fxnum_fast &b) \ +{ \ + SC_FXVAL_FAST_OBSERVER_READ_(*this) \ + m_val op b.get_val(); \ + SC_FXVAL_FAST_OBSERVER_WRITE_(*this) \ + return *this; \ +} \ + \ +DEFN_ASN_OP_T(op, const sc_fxnum &) + +DEFN_ASN_OP(*=) +DEFN_ASN_OP(/=) +DEFN_ASN_OP(+=) +DEFN_ASN_OP(-=) + +#undef DEFN_ASN_OP_T +#undef DEFN_ASN_OP + +} // namespace sc_dt + +#endif // __SYSTEMC_EXT_DT_FX_SC_FXNUM_HH__ |