Files
safe_numerics/test/test_multiply_native.cpp
2015-11-15 21:47:25 -08:00

102 lines
3.4 KiB
C++

// Copyright (c) 2012 Robert Ramey
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <iostream>
#include <exception>
#include <cxxabi.h>
#include "../include/safe_integer.hpp"
template <class T>
using safe_t = boost::numeric::safe<T>;
#include "test_multiply.hpp"
#include "test.hpp"
#include "test_values.hpp"
// note: These tables presume that the the size of an int is 32 bits.
// This should be changed for a different architecture or better yet
// be dynamically adjusted depending on the indicated architecture
const char *test_multiplication_result[VALUE_ARRAY_SIZE] = {
// 0 0 0 0
// 01234567012345670123456701234567
// 01234567890123456789012345678901
/* 0*/ "................................",
/* 1*/ ".........xx..xx..........xxx.xxx",
/* 2*/ ".........xx..xx.........xxxxxxxx",
/* 3*/ "..........x...x.........xxxxxxxx",
/* 4*/ "................................",
/* 5*/ ".........xx..xx..........xxx.xxx",
/* 6*/ ".........xx..xx.........xxxxxxxx",
/* 7*/ "..........x...x.........xxxxxxxx",
/* 8*/ "................................",
/* 9*/ ".xx..xx..xx..xx..xxx.xxx.xxx.xxx",
/*10*/ ".xxx.xxx.xxx.xx..xxx.xxxxxxxxxxx",
/*11*/ "..........x...x.........xxxxxxxx",
/*12*/ "................................",
/*13*/ ".xx..xx..xx..xx..xxx.xxx.xxx.xxx",
/*14*/ ".xxx.xxx.xxx.xxx.xxx.xxx.xxxxxxx",
/*15*/ "..............x.............xxxx",
// 0 0 0 0
// 01234567012345670123456701234567
// 01234567890123456789012345678901
/*16*/ "................................",
/*17*/ ".........xx..xx..........xxx.xxx",
/*18*/ ".........xx..xx..........xxx.xxx",
/*19*/ ".........xx..xx..........xxx.xxx",
/*20*/ "................................",
/*21*/ ".........xx..xx..........xxx.xxx",
/*22*/ ".........xx..xx..........xxx.xxx",
/*23*/ ".........xx..xx........x.xxx.xxx",
/*24*/ "..xx..xx..xx....................",
/*25*/ ".xxx.xxx.xxx.xx..xxx.xxx.xxx.xxx",
/*26*/ ".xxx.xxx.xxx.xx..xxx.xxx.xxx.xxx",
/*27*/ ".xxx.xxx.xxx.xx..xxx.xxx.xxx.xxx",
/*28*/ "..xx..xx..xx..xx................",
/*29*/ ".xxx.xxx.xxx.xxx.xxx.xxx.xxx.xxx",
/*30*/ ".xxx.xxx.xxx.xxx.xxx.xxx.xxx.xxx",
/*31*/ ".xxx.xxx.xxx.xxx.xxx.xxx.xxx.xxx"
};
#define TEST_IMPL(v1, v2, result) \
rval &= test_multiply( \
v1, \
v2, \
BOOST_PP_STRINGIZE(v1), \
BOOST_PP_STRINGIZE(v2), \
result \
);
/**/
#define TESTX(value_index1, value_index2) \
(std::cout << value_index1 << ',' << value_index2 << ','); \
TEST_IMPL( \
BOOST_PP_ARRAY_ELEM(value_index1, VALUES), \
BOOST_PP_ARRAY_ELEM(value_index2, VALUES), \
test_multiplication_result[value_index1][value_index2] \
)
/**/
int main(int argc, char * argv[]){
// sanity check on test matrix - should be symetrical
for(int i = 0; i < VALUE_ARRAY_SIZE; ++i)
for(int j = i + 1; j < VALUE_ARRAY_SIZE; ++j)
if(!(test_multiplication_result[i][j]
== test_multiplication_result[j][i]))
std::cerr << "asymmetry in operations "
<< "i == " << i
<< " j == " << j
<< std::endl;
bool rval = true;
TEST_EACH_VALUE_PAIR
std::cout << (rval ? "success!" : "failure") << std::endl;
return ! rval ;
}