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Diffstat (limited to 'src/systemc/tests/systemc/datatypes/fx/ranges/range_fx.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/datatypes/fx/ranges/range_fx.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/datatypes/fx/ranges/range_fx.cpp b/src/systemc/tests/systemc/datatypes/fx/ranges/range_fx.cpp new file mode 100644 index 000000000..058e1d2fc --- /dev/null +++ b/src/systemc/tests/systemc/datatypes/fx/ranges/range_fx.cpp @@ -0,0 +1,152 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + range_fx.cpp -- + + Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +// This may look like C code, but it is really -*- C++ -*- +// +// range_fx.cxx -- +// Copyright Synopsys 1998 +// Author : Ric Hilderink +// Created On : Mon Jan 11 13:03:27 1999 +// Status : none +// + + +#include <limits.h> +#define SC_INCLUDE_FX +#define SC_FXVAL_IMPLICIT_FXVAL +#include "systemc.h" + +#define T_FX_FLOAT sc_fxval +#define T_FX_UFIX sc_ufix +#define T_FX_FIX sc_fix +#define T_FX_FIXED sc_fixed<222,111> +#define T_FX_UFIXED sc_ufixed<222,111> + +#define RANGE_TO_MIN(FX_TTT) \ +{ \ + FX_TTT x(1); \ + FX_TTT d(1); \ + \ + int i; \ + for (i = 0; i < 300; ++i) \ + { \ + d = d / 2; \ + x += d; \ + out << i << " " << d.to_double() << " " << x.to_double() << " " << x.to_string(SC_BIN, SC_E) << "\n"; \ + } \ +} + + +#define RANGE_MIN_MAX(FX_TTT) \ +{ \ + FX_TTT x(1); \ + FX_TTT d(4); \ + FX_TTT e(0.125); \ + int i; \ + for (i = 0; i < 300; ++i) \ + { \ + d = d * 2; \ + e = e / 2; \ + x += d + e; \ + out << i << " " << d.to_double() << " " << x.to_double() << " " << x.to_string(SC_BIN, SC_E) << "\n"; \ + } \ + for (i = 0; i < 300; ++i) \ + { \ + x -= (d + e); \ + out << i << " " << d.to_double() << " " << x.to_double() << " " << x.to_string(SC_BIN, SC_E) << "\n"; \ + d = d / 2; \ + e = e * 2; \ + } \ +} + +#define RANGE_TO_MAX(FX_TTT) \ +{ \ + FX_TTT x(1); \ + FX_TTT d(1); \ + int i; \ + for (i = 0; i < 300; ++i) \ + { \ + d = d * 2; \ + x += d; \ + out << i << " " << d.to_double() << " " << x.to_double() << " " << x.to_string(SC_BIN, SC_E) << "\n"; \ + } \ + for (i = 0; i < 300; ++i) \ + { \ + x -= d; \ + out << i << " " << d.to_double() << " " << x.to_double() << " " << x.to_string(SC_BIN, SC_E) << "\n"; \ + d = d / 2; \ + } \ +} + + +static void range_to_min(ostream& out) +{ + RANGE_TO_MIN(T_FX_FLOAT); + RANGE_TO_MIN(T_FX_UFIX); + RANGE_TO_MIN(T_FX_FIX); + RANGE_TO_MIN(T_FX_FIXED); + RANGE_TO_MIN(T_FX_UFIXED); +} + +static void range_to_max(ostream& out) +{ + RANGE_TO_MAX(T_FX_FLOAT); + RANGE_TO_MAX(T_FX_UFIX); + RANGE_TO_MAX(T_FX_FIX); + RANGE_TO_MAX(T_FX_FIXED); + RANGE_TO_MAX(T_FX_UFIXED); +} + +static void range_min_max(ostream& out) +{ + RANGE_MIN_MAX(T_FX_FLOAT); + RANGE_MIN_MAX(T_FX_UFIX); + RANGE_MIN_MAX(T_FX_FIX); + RANGE_MIN_MAX(T_FX_FIXED); + RANGE_MIN_MAX(T_FX_UFIXED); +} + + +void range_fx(ostream& out) +{ + sc_fxtype_params fooCast(222, 111, SC_RND, SC_SAT); + out << "************** range_FX_TTT\n"; + range_to_min(out); + range_to_max(out); + range_min_max(out); +} + |