mirror of
https://github.com/boostorg/safe_numerics.git
synced 2026-02-22 15:42:30 +00:00
106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
#include <iostream>
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#include <cstdint>
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#include <limits>
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#include <cxxabi.h>
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#include "../include/automatic.hpp"
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/*
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namespace boost { namespace numeric {
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struct automatic {
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template<typename T, typename U, typename P, typename E>
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struct division_result {
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static const T t = '0';
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static const U u = 31;
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};
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};
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} // numeric
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} // boost
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*/
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template<typename T, typename U>
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bool test(){
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int status;
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const std::type_info & ti_t = typeid(T);
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const std::type_info & ti_u = typeid(U);
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std::cout
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<< "test<"
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<< abi::__cxa_demangle(ti_t.name(),0,0,&status)
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<< ','
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<< abi::__cxa_demangle(ti_u.name(),0,0,&status)
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<< ">\n";
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using namespace boost::numeric;
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using division_result_alias = automatic::division_result<
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T, U, automatic, void
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>;
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const auto t = division_result_alias::t();
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const auto u = division_result_alias::u();
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std::cout << "t = " << t << '\n';
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std::cout << "u = " << u << '\n';
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if(std::numeric_limits<U>::is_signed)
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std::cout << "r_lower(u()) = " << division_result_alias::r_lower(u) << '\n';
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std::cout << "r_upper(u()) = " << division_result_alias::r_upper(u) << '\n';
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using max_t = typename division_result_alias::max_t;
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std::cout << division_result_alias::template r<max_t>(t, u) << '\n';
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return true;
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}
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#include "test.hpp"
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#define VALUES (8, ( \
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std::int8_t, \
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std::int16_t, \
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std::int32_t, \
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std::int64_t, \
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std::uint8_t, \
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std::uint16_t, \
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std::uint32_t, \
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std::uint64_t \
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))
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const char *test_result[VALUE_ARRAY_SIZE] = {
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// 01234567
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/* 0*/ "........",
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/* 1*/ "........",
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/* 2*/ "........",
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/* 3*/ "........",
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/* 4*/ "........",
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/* 5*/ "........",
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/* 6*/ "........",
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/* 7*/ "........"
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};
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#define TEST_IMPL(v1, v2, result) \
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rval &= test<v1, v2>();
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/**/
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#define TESTX(value_index1, value_index2) \
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(std::cout << value_index1 << ',' << value_index2 << ','); \
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TEST_IMPL( \
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BOOST_PP_ARRAY_ELEM(value_index1, VALUES), \
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BOOST_PP_ARRAY_ELEM(value_index2, VALUES), \
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test_result[value_index1][value_index2]() \
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)
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/**/
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#if 0
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int main(){
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test<std::int8_t, std::uint8_t>();
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return 0;
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}
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#else
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int main(){
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bool rval = true;
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TEST_EACH_VALUE_PAIR
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return ! rval ;
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}
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#endif
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