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Diffstat (limited to 'src/systemc/tests/systemc/datatypes/int/arith/arith03/arith03.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/datatypes/int/arith/arith03/arith03.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/datatypes/int/arith/arith03/arith03.cpp b/src/systemc/tests/systemc/datatypes/int/arith/arith03/arith03.cpp new file mode 100644 index 000000000..a9ee10f3f --- /dev/null +++ b/src/systemc/tests/systemc/datatypes/int/arith/arith03/arith03.cpp @@ -0,0 +1,127 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + arith03.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: + + *****************************************************************************/ + +#include <stdlib.h> +#include "systemc.h" +#include "isaac.h" + +QTIsaac<8> rng; // Platform independent random number generator. + +#define TEST(A,B) \ +{ \ + if ( A != B ) \ + cout << #A << " (" << hex << A << ") != " << #B << "(" << hex << B << ")" << endl; \ +} + +#define TESTA(A,B,C) \ +{ \ + if ( A != (B-C) ) \ + cout << #A << " (" << hex << A << ") != " << hex << B-C << " " << B << " " << C << endl; \ +} + +int +sc_main( int argc, char* argv[] ) +{ + unsigned vali[5] = { 0, 1, (unsigned) -1, 7, (unsigned)-8 }; + unsigned valj[5] = { 0, 1, (unsigned) -1, 7, (unsigned)-8 }; + + for (int i = 3; i < 32; ++i) { + for (int j = 3; j < 32; ++j) { + cout << "i = " << i << ", j = " << j << endl; + + sc_unsigned x(i); + sc_unsigned y(j); + sc_unsigned z(64); + + vali[3] = (1 << (i - 1)) - 1; + vali[4] = - (1 << (i - 1)); + + valj[3] = (1 << (j - 1)) - 1; + valj[4] = - (1 << (j - 1)); + + for (int ii = 0; ii < 100; ++ii) { + for (int jj = 0; jj < 100; ++jj) { + unsigned qi = (ii < 5) ? vali[ii] : (rng.rand() & ((1 << i) - 1)); + unsigned qj = (jj < 5) ? valj[jj] : (rng.rand() & ((1 << j) - 1)); + + if (qi & (1 << (i - 1))) { + qi = (qi << (32 - i)) >> (32 - i); + } + if (qj & (1 << (j - 1))) { + qj = (qj << (32 - j)) >> (32 - j); + } + + x = qi; + TEST(x,qi); + y = qj; + TEST(y,qj); + z = x + y; + TEST((sc_unsigned)( z.range(31,0) ),(qi + qj)); + z = x - y; + // TEST((sc_unsigned)( z.range(31,0) ),(qi - qj)); + TESTA((sc_unsigned)( z.range(31,0) ),qi,qj); + z = x * y; + TEST((sc_unsigned)( z.range(31,0) ), + (qi * qj) ); + if (y != 0) { + z = x / y; + TEST((sc_unsigned)( z.range(31,0) ),(qi/qj)); + z = x % y; + TEST((sc_unsigned)( z.range(31,0) ),(qi%qj)); + } + z = x & y; + TEST( (sc_unsigned)( z.range(31,0) ), (qi & qj) ); + z = x | y; + TEST((sc_unsigned)( z.range(31,0) ), (qi | qj) ); + z = x ^ y; + TEST((sc_unsigned)( z.range(31,0) ), (qi ^ qj) ); + if (jj < i - 1) { + z = x << jj; + for (int r = 0; r < i; ++r) { + TEST((bool) z[r],!!((qi << jj) & (1 << r)) ); + } + z = x >> jj; + for (int r = 0; r < i; ++r) { + TEST((bool) z[r],!!((qi >> jj) & (1 << r)) ); + } + } + } + } + } + } + return 0; +} |