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Switch over to using new Boost.Math version of gcd/lcm.

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Please refer to the Boost.Math revision log for details of changes, but in summary:
* New version of gcd/lcm internals by Jeremy Murphy include mixed-binary algorithm and better selection logic.
* Support is now included for gcd's of polynomials.
* Full C++14 constexpr support.
This commit is contained in:
jzmaddock
2017-04-23 13:01:09 +01:00
parent 162e48d14a
commit beb6871864
5 changed files with 773 additions and 482 deletions
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35
test/gcd_noexcept_test.cpp Normal file
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// (C) Copyright John Maddock 2017.
// 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 <boost/integer/common_factor.hpp>
#if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
//
// These tests don't pass with GCC-4.x:
//
#if !defined(BOOST_GCC) || (BOOST_GCC >= 50000)
void test_noexcept(unsigned char a, unsigned char b)
{
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned char>(a), static_cast<unsigned char>(b))), "Expected a noexcept function.");
#ifndef _MSC_VER
// This generates an internal compiler error if enabled as well as the following test:
static_assert(noexcept(boost::integer::gcd(static_cast<char>(a), static_cast<char>(b))), "Expected a noexcept function.");
#endif
static_assert(noexcept(boost::integer::gcd(static_cast<signed char>(a), static_cast<signed char>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<short>(a), static_cast<short>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned short>(a), static_cast<unsigned short>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<int>(a), static_cast<int>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned int>(a), static_cast<unsigned int>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<long>(a), static_cast<long>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned long>(a), static_cast<unsigned long>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<long long>(a), static_cast<long long>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned long long>(a), static_cast<unsigned long long>(b))), "Expected a noexcept function.");
}
#endif
#endif