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Diffstat (limited to 'src/systemc/tests/systemc/datatypes/int/arith/arith08/arith08.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/datatypes/int/arith/arith08/arith08.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/datatypes/int/arith/arith08/arith08.cpp b/src/systemc/tests/systemc/datatypes/int/arith/arith08/arith08.cpp new file mode 100644 index 000000000..d44dda816 --- /dev/null +++ b/src/systemc/tests/systemc/datatypes/int/arith/arith08/arith08.cpp @@ -0,0 +1,123 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + arith08.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 "systemc.h" +#include "isaac.h" + +QTIsaac<8> rng; // Platform independent random number generator. + +#define TEST(A,B) \ +{ \ + if ( A != B ) \ + cout << #A << " (" << A << ") != " << #B << "(" << B << ")" << endl; \ +} + +int +sc_main(int, char**) +{ + unsigned vali[5] = { 0, 1, (unsigned)-1, 7, (unsigned)-8 }; + signed int valj[5] = { 0, 1, -1, 7, -8 }; + + for (int i = 3; i < 30; ++i) { + for (int j = 3; j < 30; ++j) { + cout << "i = " << i << ", j = " << j << endl; + sc_unsigned x(i); + sc_signed y(j); + sc_signed 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)); + signed int 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; + y = qj; + + sc_signed ty(x); + TEST(x,ty ); + sc_assert( ty >= 0 ); + sc_assert((! x[i-1]) || (ty.length() == i+1) ); + + z = x + y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), + int(int(qi) + qj) ); + z = x - y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), + int(int(qi) - qj) ); + z = x * y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), + int(int(qi) * qj) ); + sc_unsigned xx(i); + xx = x; + xx *= y; + sc_unsigned xx2(i); + xx2 = z.range(i - 1, 0); + TEST(xx,xx2); + + if (y != 0) { + z = x / y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), int(int(qi) / qj) ); + z = x % y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), int(int(qi) % qj) ); + } + z = x & y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), int(int(qi) & qj) ); + z = x | y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), int(int(qi) | qj) ); + z = x ^ y; + TEST(static_cast<sc_bigint<32> >( z.range(31,0) ), int(int(qi) ^ qj) ); + } + } + } + } + return 0; +} |