diff options
Diffstat (limited to 'src/boost/libs/multiprecision/test/test_mixed_float.cpp')
-rw-r--r-- | src/boost/libs/multiprecision/test/test_mixed_float.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/boost/libs/multiprecision/test/test_mixed_float.cpp b/src/boost/libs/multiprecision/test/test_mixed_float.cpp new file mode 100644 index 00000000..3f32279a --- /dev/null +++ b/src/boost/libs/multiprecision/test/test_mixed_float.cpp @@ -0,0 +1,54 @@ +/////////////////////////////////////////////////////////////// +// Copyright 2012 John Maddock. Distributed under the Boost +// Software License, Version 1.0. (See accompanying file +// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt + +// +// Compare arithmetic results using fixed_int to GMP results. +// + +#ifdef _MSC_VER +#define _SCL_SECURE_NO_WARNINGS +#endif + +#ifdef TEST_GMP +#include <boost/multiprecision/gmp.hpp> +#endif +#ifdef TEST_MPFR +#include <boost/multiprecision/mpfr.hpp> +#endif +#include <boost/multiprecision/cpp_dec_float.hpp> +#include "test.hpp" + +template <class Number, class BigNumber> +void test() +{ + using namespace boost::multiprecision; + typedef Number test_type; + + test_type a = 1; + a /= 3; + test_type b = -a; + + BigNumber r; + BOOST_CHECK_EQUAL(add(r, a, a), BigNumber(a) + BigNumber(a)); + BOOST_CHECK_EQUAL(subtract(r, a, b), BigNumber(a) - BigNumber(b)); + BOOST_CHECK_EQUAL(subtract(r, b, a), BigNumber(b) - BigNumber(a)); + BOOST_CHECK_EQUAL(multiply(r, a, a), BigNumber(a) * BigNumber(a)); +} + +int main() +{ + using namespace boost::multiprecision; + + test<cpp_dec_float_50, cpp_dec_float_100>(); + +#ifdef TEST_GMP + test<mpf_float_50, mpf_float_100>(); +#endif +#ifdef TEST_MPFR + test<mpfr_float_50, mpfr_float_100>(); +#endif + + return boost::report_errors(); +} |