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1 | /////////////////////////////////////////////////////////////// |
2 | // Copyright 2012 John Maddock. Distributed under the Boost | |
3 | // Software License, Version 1.0. (See accompanying file | |
92f5a8d4 | 4 | // LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt |
7c673cae FG |
5 | |
6 | // | |
7 | // Compare arithmetic results using fixed_int to GMP results. | |
8 | // | |
9 | ||
10 | #ifdef _MSC_VER | |
92f5a8d4 | 11 | #define _SCL_SECURE_NO_WARNINGS |
7c673cae FG |
12 | #endif |
13 | ||
14 | #ifdef TEST_GMP | |
15 | #include <boost/multiprecision/gmp.hpp> | |
16 | #endif | |
17 | #ifdef TEST_MPFR | |
18 | #include <boost/multiprecision/mpfr.hpp> | |
19 | #endif | |
20 | #include <boost/multiprecision/cpp_dec_float.hpp> | |
21 | #include "test.hpp" | |
22 | ||
23 | template <class Number, class BigNumber> | |
24 | void test() | |
25 | { | |
26 | using namespace boost::multiprecision; | |
27 | typedef Number test_type; | |
28 | ||
29 | test_type a = 1; | |
30 | a /= 3; | |
31 | test_type b = -a; | |
32 | ||
33 | BigNumber r; | |
34 | BOOST_CHECK_EQUAL(add(r, a, a), BigNumber(a) + BigNumber(a)); | |
35 | BOOST_CHECK_EQUAL(subtract(r, a, b), BigNumber(a) - BigNumber(b)); | |
36 | BOOST_CHECK_EQUAL(subtract(r, b, a), BigNumber(b) - BigNumber(a)); | |
37 | BOOST_CHECK_EQUAL(multiply(r, a, a), BigNumber(a) * BigNumber(a)); | |
38 | } | |
39 | ||
40 | int main() | |
41 | { | |
42 | using namespace boost::multiprecision; | |
43 | ||
44 | test<cpp_dec_float_50, cpp_dec_float_100>(); | |
45 | ||
46 | #ifdef TEST_GMP | |
47 | test<mpf_float_50, mpf_float_100>(); | |
48 | #endif | |
49 | #ifdef TEST_MPFR | |
50 | test<mpfr_float_50, mpfr_float_100>(); | |
51 | #endif | |
52 | ||
53 | return boost::report_errors(); | |
54 | } |