Files
multiprecision/test/test_cpp_bin_float_conv.cpp
jzmaddock 339818c018 Fix compiler errors when converting from cpp_int's to cpp_bin_float's
As reported on the mailing list.
Also adds new test case.
2016-08-17 18:12:41 +01:00

59 lines
1.5 KiB
C++

///////////////////////////////////////////////////////////////
// Copyright 2012 John Maddock. 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_
//
#ifdef _MSC_VER
# define _SCL_SECURE_NO_WARNINGS
#endif
#include <boost/detail/lightweight_test.hpp>
#include <boost/array.hpp>
#include "test.hpp"
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_bin_float.hpp>
int main()
{
using namespace boost::multiprecision;
cpp_int i(20);
cpp_bin_float_50 f50(i);
BOOST_CHECK_EQUAL(f50, 20);
f50 = i.convert_to<cpp_bin_float_50>();
BOOST_CHECK_EQUAL(f50, 20);
int1024_t i1024(45);
cpp_bin_float_100 f100(i1024);
BOOST_CHECK_EQUAL(f100, 45);
f100 = i1024.convert_to<cpp_bin_float_100>();
BOOST_CHECK_EQUAL(f100, 45);
uint1024_t ui1024(55);
cpp_bin_float_100 f100b(ui1024);
BOOST_CHECK_EQUAL(f100b, 55);
f100b = ui1024.convert_to<cpp_bin_float_100>();
BOOST_CHECK_EQUAL(f100b, 55);
typedef number<cpp_int_backend<32, 32>, et_off> i32_t;
i32_t i32(67);
cpp_bin_float_100 f100c(i32);
BOOST_CHECK_EQUAL(f100c, 67);
f100c = i32.convert_to<cpp_bin_float_100>();
BOOST_CHECK_EQUAL(f100c, 67);
typedef number<cpp_int_backend<32, 32, unsigned_magnitude>, et_off> ui32_t;
ui32_t ui32(98);
cpp_bin_float_100 f100d(ui32);
BOOST_CHECK_EQUAL(f100d, 98);
f100d = ui32.convert_to<cpp_bin_float_100>();
BOOST_CHECK_EQUAL(f100d, 98);
return boost::report_errors();
}