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+/*****************************************************************************
+
+ 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_fxdefs.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_fxdefs.h,v $
+// Revision 1.1.1.1 2006/12/15 20:20:04 acg
+// SystemC 2.3
+//
+// Revision 1.3 2006/01/13 18:53:57 acg
+// Andy Goodrich: added $Log command so that CVS comments are reproduced in
+// the source.
+//
+
+#ifndef SC_FXDEFS_H
+#define SC_FXDEFS_H
+
+
+#include "sysc/utils/sc_machine.h"
+#include "sysc/datatypes/fx/sc_fx_ids.h"
+#include "sysc/datatypes/int/sc_nbutils.h"
+
+
+namespace sc_dt
+{
+
+// ----------------------------------------------------------------------------
+// ENUM : sc_enc
+//
+// Enumeration of sign encodings.
+// ----------------------------------------------------------------------------
+
+enum sc_enc
+{
+ SC_TC_, // two's complement
+ SC_US_ // unsigned
+};
+
+
+const std::string to_string( sc_enc );
+
+
+inline
+::std::ostream&
+operator << ( ::std::ostream& os, sc_enc enc )
+{
+ return os << to_string( enc );
+}
+
+
+// ----------------------------------------------------------------------------
+// ENUM : sc_q_mode
+//
+// Enumeration of quantization modes.
+// ----------------------------------------------------------------------------
+
+enum sc_q_mode
+{
+ SC_RND, // rounding to plus infinity
+ SC_RND_ZERO, // rounding to zero
+ SC_RND_MIN_INF, // rounding to minus infinity
+ SC_RND_INF, // rounding to infinity
+ SC_RND_CONV, // convergent rounding
+ SC_TRN, // truncation
+ SC_TRN_ZERO // truncation to zero
+};
+
+
+const std::string to_string( sc_q_mode );
+
+
+inline
+::std::ostream&
+operator << ( ::std::ostream& os, sc_q_mode q_mode )
+{
+ return os << to_string( q_mode );
+}
+
+
+// ----------------------------------------------------------------------------
+// ENUM : sc_o_mode
+//
+// Enumeration of overflow modes.
+// ----------------------------------------------------------------------------
+
+enum sc_o_mode
+{
+ SC_SAT, // saturation
+ SC_SAT_ZERO, // saturation to zero
+ SC_SAT_SYM, // symmetrical saturation
+ SC_WRAP, // wrap-around (*)
+ SC_WRAP_SM // sign magnitude wrap-around (*)
+};
+
+// (*) uses the number of saturated bits argument, see the documentation.
+
+
+const std::string to_string( sc_o_mode );
+
+
+inline
+::std::ostream&
+operator << ( ::std::ostream& os, sc_o_mode o_mode )
+{
+ return os << to_string( o_mode );
+}
+
+
+// ----------------------------------------------------------------------------
+// ENUM : sc_switch
+//
+// Enumeration of switch states.
+// ----------------------------------------------------------------------------
+
+enum sc_switch
+{
+ SC_OFF,
+ SC_ON
+};
+
+
+const std::string to_string( sc_switch );
+
+
+inline
+::std::ostream&
+operator << ( ::std::ostream& os, sc_switch sw )
+{
+ return os << to_string( sw );
+}
+
+
+// ----------------------------------------------------------------------------
+// ENUM : sc_fmt
+//
+// Enumeration of formats for character string conversion.
+// ----------------------------------------------------------------------------
+
+enum sc_fmt
+{
+ SC_F, // fixed
+ SC_E // scientific
+};
+
+
+const std::string to_string( sc_fmt );
+
+
+inline
+::std::ostream&
+operator << ( ::std::ostream& os, sc_fmt fmt )
+{
+ return os << to_string( fmt );
+}
+
+
+// ----------------------------------------------------------------------------
+// Built-in & default fixed-point type parameter values.
+// ----------------------------------------------------------------------------
+
+const int SC_BUILTIN_WL_ = 32;
+const int SC_BUILTIN_IWL_ = 32;
+const sc_q_mode SC_BUILTIN_Q_MODE_ = SC_TRN;
+const sc_o_mode SC_BUILTIN_O_MODE_ = SC_WRAP;
+const int SC_BUILTIN_N_BITS_ = 0;
+
+
+const int SC_DEFAULT_WL_ = SC_BUILTIN_WL_;
+const int SC_DEFAULT_IWL_ = SC_BUILTIN_IWL_;
+const sc_q_mode SC_DEFAULT_Q_MODE_ = SC_BUILTIN_Q_MODE_;
+const sc_o_mode SC_DEFAULT_O_MODE_ = SC_BUILTIN_O_MODE_;
+const int SC_DEFAULT_N_BITS_ = SC_BUILTIN_N_BITS_;
+
+
+// ----------------------------------------------------------------------------
+// Built-in & default fixed-point cast switch parameter values.
+// ----------------------------------------------------------------------------
+
+const sc_switch SC_BUILTIN_CAST_SWITCH_ = SC_ON;
+
+
+const sc_switch SC_DEFAULT_CAST_SWITCH_ = SC_BUILTIN_CAST_SWITCH_;
+
+
+// ----------------------------------------------------------------------------
+// Built-in & default fixed-point value type parameter values.
+// ----------------------------------------------------------------------------
+
+const int SC_BUILTIN_DIV_WL_ = 64;
+const int SC_BUILTIN_CTE_WL_ = 64;
+const int SC_BUILTIN_MAX_WL_ = 1024;
+
+
+#if defined( SC_FXDIV_WL ) && ( SC_FXDIV_WL > 0 )
+const int SC_DEFAULT_DIV_WL_ = SC_FXDIV_WL;
+#else
+const int SC_DEFAULT_DIV_WL_ = SC_BUILTIN_DIV_WL_;
+#endif
+
+#if defined( SC_FXCTE_WL ) && ( SC_FXCTE_WL > 0 )
+const int SC_DEFAULT_CTE_WL_ = SC_FXCTE_WL;
+#else
+const int SC_DEFAULT_CTE_WL_ = SC_BUILTIN_CTE_WL_;
+#endif
+
+#if defined( SC_FXMAX_WL ) && ( SC_FXMAX_WL > 0 || SC_FXMAX_WL == -1 )
+const int SC_DEFAULT_MAX_WL_ = SC_FXMAX_WL;
+#else
+const int SC_DEFAULT_MAX_WL_ = SC_BUILTIN_MAX_WL_;
+#endif
+
+
+// ----------------------------------------------------------------------------
+// Dedicated error reporting and checking.
+// ----------------------------------------------------------------------------
+
+#ifdef DEBUG_SYSTEMC
+#define SC_ASSERT_(cnd,msg) \
+{ \
+ if( ! (cnd) ) \
+ SC_REPORT_ERROR( sc_core::SC_ID_INTERNAL_ERROR_, msg ); \
+}
+#else
+#define SC_ASSERT_(cnd,msg)
+#endif
+
+#define SC_ERROR_IF_(cnd,id) \
+{ \
+ if( cnd ) \
+ SC_REPORT_ERROR( id, 0 ); \
+}
+
+
+#define SC_CHECK_WL_(wl) \
+ SC_ERROR_IF_( (wl) <= 0, sc_core::SC_ID_INVALID_WL_ )
+
+#define SC_CHECK_N_BITS_(n_bits) \
+ SC_ERROR_IF_( (n_bits) < 0, sc_core::SC_ID_INVALID_N_BITS_ )
+
+#define SC_CHECK_DIV_WL_(div_wl) \
+ SC_ERROR_IF_( (div_wl) <= 0, sc_core::SC_ID_INVALID_DIV_WL_ )
+
+#define SC_CHECK_CTE_WL_(cte_wl) \
+ SC_ERROR_IF_( (cte_wl) <= 0, sc_core::SC_ID_INVALID_CTE_WL_ )
+
+#define SC_CHECK_MAX_WL_(max_wl) \
+ SC_ERROR_IF_( (max_wl) <= 0 && (max_wl) != -1, \
+ sc_core::SC_ID_INVALID_MAX_WL_ )
+
+
+// ----------------------------------------------------------------------------
+// Generic observer macros.
+// ----------------------------------------------------------------------------
+
+#define SC_OBSERVER_(object,observer_type,event) \
+{ \
+ if( (object).observer() != 0 ) \
+ { \
+ observer_type observer = (object).lock_observer(); \
+ observer->event( (object) ); \
+ (object).unlock_observer( observer ); \
+ } \
+}
+
+#define SC_OBSERVER_DEFAULT_(observer_type) \
+{ \
+ if( m_observer == 0 && observer_type ## ::default_observer != 0 ) \
+ m_observer = (* ## observer_type ## ::default_observer)(); \
+}
+
+} // namespace sc_dt
+
+
+#endif
+
+// Taf!
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