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Diffstat (limited to 'src/systemc/ext/dt/int/sc_int.hh')
-rw-r--r-- | src/systemc/ext/dt/int/sc_int.hh | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/src/systemc/ext/dt/int/sc_int.hh b/src/systemc/ext/dt/int/sc_int.hh new file mode 100644 index 000000000..d417321ef --- /dev/null +++ b/src/systemc/ext/dt/int/sc_int.hh @@ -0,0 +1,381 @@ +/***************************************************************************** + + 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_int.h -- A signed integer whose length is less than 64 bits. + + Unlike arbitrary precision, arithmetic and bitwise operations + are performed using the native types (hence capped at 64 bits). + The sc_int integer is useful when the user does not need + arbitrary precision and the performance is superior to + sc_bigint/sc_biguint. + + Original Author: Amit Rao, Synopsys, Inc. + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: Ali Dasdan, Synopsys, Inc. + Description of Modification: - Resolved ambiguity with sc_(un)signed. + - Merged the code for 64- and 32-bit versions + via the constants in sc_nbdefs.h. + - Eliminated redundant file inclusions. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +// $Log: sc_int.h,v $ +// Revision 1.2 2011/02/18 20:19:14 acg +// Andy Goodrich: updating Copyright notice. +// +// Revision 1.1.1.1 2006/12/15 20:20:05 acg +// SystemC 2.3 +// +// Revision 1.3 2006/01/13 18:49:31 acg +// Added $Log command so that CVS check in comments are reproduced in the +// source. +// + +#ifndef __SYSTEMC_EXT_DT_INT_SC_INT_HH__ +#define __SYSTEMC_EXT_DT_INT_SC_INT_HH__ + +#include "sc_int_base.hh" + +namespace sc_dt +{ + +// classes defined in this module +template <int W> +class sc_int; + + +// ---------------------------------------------------------------------------- +// CLASS TEMPLATE : sc_int<W> +// +// Template class sc_int<W> is the interface that the user sees. It is +// derived from sc_int_base and most of its methods are just wrappers +// that call the corresponding method in the parent class. Note that +// the length of sc_int datatype is specified as a template parameter. +// ---------------------------------------------------------------------------- + +template <int W> +class sc_int : public sc_int_base +{ + public: + // constructors + sc_int() : sc_int_base(W) {} + sc_int(int_type v) : sc_int_base(v, W) {} + sc_int(const sc_int<W> &a) : sc_int_base(a) {} + + sc_int(const sc_int_base &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(const sc_int_subref_r &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + template< class T > + sc_int(const sc_generic_base<T> &a) : sc_int_base(W) + { + sc_int_base::operator = (a->to_int64()); + } + sc_int(const sc_signed &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(const sc_unsigned &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + explicit sc_int(const sc_fxval &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + explicit sc_int(const sc_fxval_fast &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + explicit sc_int(const sc_fxnum &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + explicit sc_int(const sc_fxnum_fast &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(const sc_bv_base &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(const sc_lv_base &a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(const char *a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(unsigned long a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(long a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(unsigned int a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(int a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(uint64 a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + sc_int(double a) : sc_int_base(W) + { + sc_int_base::operator = (a); + } + + // assignment operators + sc_int<W> & + operator = (int_type v) + { + sc_int_base::operator = (v); + return *this; + } + sc_int<W> & + operator = (const sc_int_base &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_int_subref_r &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_int<W> &a) + { + m_val = a.m_val; + return *this; + } + template< class T > + sc_int<W> & + operator = (const sc_generic_base<T> &a) + { + sc_int_base::operator = (a->to_int64()); + return *this; + } + sc_int<W> & + operator = (const sc_signed &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_unsigned &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_fxval &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_fxval_fast &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_fxnum &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> &operator = (const sc_fxnum_fast &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_bv_base &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const sc_lv_base &a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (const char *a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (unsigned long a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (long a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (unsigned int a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (int a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (uint64 a) + { + sc_int_base::operator = (a); + return *this; + } + sc_int<W> & + operator = (double a) + { + sc_int_base::operator = (a); + return *this; + } + + // arithmetic assignment operators + sc_int<W> & + operator += (int_type v) + { + sc_int_base::operator += (v); + return *this; + } + sc_int<W> & + operator -= (int_type v) + { + sc_int_base::operator -= (v); + return *this; + } + sc_int<W> & + operator *= (int_type v) + { + sc_int_base::operator *= (v); + return *this; + } + sc_int<W> & + operator /= (int_type v) + { + sc_int_base::operator /= (v); + return *this; + } + sc_int<W> & + operator %= (int_type v) + { + sc_int_base::operator %= (v); + return *this; + } + + // bitwise assignment operators + sc_int<W> & + operator &= (int_type v) + { + sc_int_base::operator &= (v); + return *this; + } + sc_int<W> & + operator |= (int_type v) + { + sc_int_base::operator |= (v); + return *this; + } + sc_int<W> & + operator ^= (int_type v) + { + sc_int_base::operator ^= (v); + return *this; + } + sc_int<W> & + operator <<= (int_type v) + { + sc_int_base::operator <<= (v); + return *this; + } + sc_int<W> & + operator >>= (int_type v) + { + sc_int_base::operator >>= (v); + return *this; + } + + // prefix and postfix increment and decrement operators + sc_int<W> & + operator ++ () // prefix + { + sc_int_base::operator ++ (); + return *this; + } + const sc_int<W> + operator ++ (int) // postfix + { + return sc_int<W>(sc_int_base::operator ++ (0)); + } + sc_int<W> & + operator -- () // prefix + { + sc_int_base::operator -- (); + return *this; + } + const sc_int<W> + operator -- (int) // postfix + { + return sc_int<W>(sc_int_base::operator -- (0)); + } +}; + +} // namespace sc_dt + + +#endif // __SYSTEMC_EXT_DT_INT_SC_INT_HH__ |