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Remove <experimental/numeric>; use <numeric> instead. See https://libcxx.llvm.org/TS_deprecation.html

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@323975 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2018-02-01 15:49:27 +00:00
parent f8d223fe63
commit 14698bce22
20 changed files with 1 additions and 720 deletions
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110
include/experimental/numeric
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@@ -8,112 +8,4 @@
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_EXPERIMENTAL_NUMERIC
#define _LIBCPP_EXPERIMENTAL_NUMERIC
/*
experimental/numeric synopsis
// C++1z
namespace std {
namespace experimental {
inline namespace fundamentals_v2 {
// 13.1.2, Greatest common divisor
template<class M, class N>
constexpr common_type_t<M,N> gcd(M m, N n);
// 13.1.3, Least common multiple
template<class M, class N>
constexpr common_type_t<M,N> lcm(M m, N n);
} // namespace fundamentals_v2
} // namespace experimental
} // namespace std
*/
#include <experimental/__config>
#include <numeric>
#include <type_traits> // is_integral
#include <limits> // numeric_limits
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
#if _LIBCPP_STD_VER > 11
_LIBCPP_BEGIN_NAMESPACE_LFTS_V2
template <typename _Result, typename _Source, bool _IsSigned = is_signed<_Source>::value> struct __abs;
template <typename _Result, typename _Source>
struct __abs<_Result, _Source, true> {
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
_Result operator()(_Source __t) const noexcept
{
if (__t >= 0) return __t;
if (__t == numeric_limits<_Source>::min()) return -static_cast<_Result>(__t);
return -__t;
}
};
template <typename _Result, typename _Source>
struct __abs<_Result, _Source, false> {
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
_Result operator()(_Source __t) const noexcept { return __t; }
};
template<class _Tp>
_LIBCPP_CONSTEXPR _LIBCPP_HIDDEN
inline _Tp __gcd(_Tp __m, _Tp __n)
{
static_assert((!is_signed<_Tp>::value), "" );
return __n == 0 ? __m : _VSTD_LFTS_V2::__gcd<_Tp>(__n, __m % __n);
}
template<class _Tp, class _Up>
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
common_type_t<_Tp,_Up>
gcd(_Tp __m, _Up __n)
{
static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to gcd must be integer types");
static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to gcd cannot be bool" );
static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to gcd cannot be bool" );
using _Rp = common_type_t<_Tp,_Up>;
using _Wp = make_unsigned_t<_Rp>;
return static_cast<_Rp>(_VSTD_LFTS_V2::__gcd(
static_cast<_Wp>(__abs<_Rp, _Tp>()(__m)),
static_cast<_Wp>(__abs<_Rp, _Up>()(__n))));
}
template<class _Tp, class _Up>
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
common_type_t<_Tp,_Up>
lcm(_Tp __m, _Up __n)
{
static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to lcm must be integer types");
static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to lcm cannot be bool" );
static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to lcm cannot be bool" );
if (__m == 0 || __n == 0)
return 0;
using _Rp = common_type_t<_Tp,_Up>;
_Rp __val1 = __abs<_Rp, _Tp>()(__m) / _VSTD_LFTS_V2::gcd(__m, __n);
_Rp __val2 = __abs<_Rp, _Up>()(__n);
_LIBCPP_ASSERT((numeric_limits<_Rp>::max() / __val1 > __val2), "Overflow in lcm");
return __val1 * __val2;
}
_LIBCPP_END_NAMESPACE_LFTS_V2
#endif /* _LIBCPP_STD_VER > 11 */
_LIBCPP_POP_MACROS
#endif /* _LIBCPP_EXPERIMENTAL_NUMERIC */
#error "<experimental/numeric> has been removed. Use <numeric> instead."

4
include/module.modulemap
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@@ -538,10 +538,6 @@ module std [system] {
header "experimental/memory_resource"
export *
}
module numeric {
header "experimental/numeric"
export *
}
module propagate_const {
header "experimental/propagate_const"
export *

1
test/libcxx/double_include.sh.cpp
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@@ -148,7 +148,6 @@
#include <experimental/list>
#include <experimental/map>
#include <experimental/memory_resource>
#include <experimental/numeric>
#include <experimental/propagate_const>
#include <experimental/ratio>
#include <experimental/regex>

2
test/libcxx/min_max_macros.sh.cpp
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@@ -257,8 +257,6 @@ TEST_MACROS();
TEST_MACROS();
#include <experimental/memory_resource>
TEST_MACROS();
#include <experimental/numeric>
TEST_MACROS();
#include <experimental/propagate_const>
TEST_MACROS();
#include <experimental/ratio>

15
test/std/experimental/numeric/numeric.ops.overview/nothing_to_do.pass.cpp
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@@ -1,15 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
#include <experimental/numeric>
int main () {}

15
test/std/experimental/numeric/numeric.ops/nothing_to_do.pass.cpp
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@@ -1,15 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
#include <experimental/numeric>
int main () {}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool1.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::gcd(false, 4);
}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool2.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::gcd(2, true);
}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool3.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::gcd<volatile bool, int>(false, 4);
}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool4.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::gcd<int, const bool>(2, true);
}

24
test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.not_integral1.fail.cpp
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@@ -1,24 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
// Remarks: If either M or N is not an integer type, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::gcd(2.0, 4);
}

24
test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.not_integral2.fail.cpp
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@@ -1,24 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
// Remarks: If either M or N is not an integer type, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::gcd(4, 6.0);
}

139
test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
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@@ -1,139 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
#include <experimental/numeric>
#include <cassert>
#include <cstdlib> // for rand()
#include <iostream>
constexpr struct {
int x;
int y;
int expect;
} Cases[] = {
{0, 0, 0},
{1, 0, 1},
{0, 1, 1},
{1, 1, 1},
{2, 3, 1},
{2, 4, 2},
{36, 17, 1},
{36, 18, 18}
};
template <typename Input1, typename Input2, typename Output>
constexpr bool test0(Input1 in1, Input2 in2, Output out)
{
static_assert((std::is_same<Output, decltype(std::experimental::gcd(in1, in2))>::value), "" );
static_assert((std::is_same<Output, decltype(std::experimental::gcd(in2, in1))>::value), "" );
return out == std::experimental::gcd(in1, in2) ? true : (std::abort(), false);
}
template <typename Input1, typename Input2 = Input1>
constexpr bool do_test(int = 0)
{
using S1 = typename std::make_signed<Input1>::type;
using S2 = typename std::make_signed<Input2>::type;
using U1 = typename std::make_unsigned<Input1>::type;
using U2 = typename std::make_unsigned<Input2>::type;
bool accumulate = true;
for (auto TC : Cases) {
{ // Test with two signed types
using Output = std::common_type_t<S1, S2>;
accumulate &= test0<S1, S2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S1, S2, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<S1, S2, Output>(TC.x, -TC.y, TC.expect);
accumulate &= test0<S1, S2, Output>(-TC.x, -TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(TC.x, -TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(-TC.x, -TC.y, TC.expect);
}
{ // test with two unsigned types
using Output = std::common_type_t<U1, U2>;
accumulate &= test0<U1, U2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<U2, U1, Output>(TC.x, TC.y, TC.expect);
}
{ // Test with mixed signs
using Output = std::common_type_t<S1, U2>;
accumulate &= test0<S1, U2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<U2, S1, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S1, U2, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<U2, S1, Output>(TC.x, -TC.y, TC.expect);
}
{ // Test with mixed signs
using Output = std::common_type_t<S2, U1>;
accumulate &= test0<S2, U1, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<U1, S2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S2, U1, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<U1, S2, Output>(TC.x, -TC.y, TC.expect);
}
}
return accumulate;
}
int main()
{
auto non_cce = std::rand(); // a value that can't possibly be constexpr
static_assert(do_test<signed char>(), "");
static_assert(do_test<short>(), "");
static_assert(do_test<int>(), "");
static_assert(do_test<long>(), "");
static_assert(do_test<long long>(), "");
assert(do_test<signed char>(non_cce));
assert(do_test<short>(non_cce));
assert(do_test<int>(non_cce));
assert(do_test<long>(non_cce));
assert(do_test<long long>(non_cce));
static_assert(do_test< int8_t>(), "");
static_assert(do_test<int16_t>(), "");
static_assert(do_test<int32_t>(), "");
static_assert(do_test<int64_t>(), "");
assert(do_test< int8_t>(non_cce));
assert(do_test<int16_t>(non_cce));
assert(do_test<int32_t>(non_cce));
assert(do_test<int64_t>(non_cce));
static_assert(do_test<signed char, int>(), "");
static_assert(do_test<int, signed char>(), "");
static_assert(do_test<short, int>(), "");
static_assert(do_test<int, short>(), "");
static_assert(do_test<int, long>(), "");
static_assert(do_test<long, int>(), "");
static_assert(do_test<int, long long>(), "");
static_assert(do_test<long long, int>(), "");
assert((do_test<signed char, int>(non_cce)));
assert((do_test<int, signed char>(non_cce)));
assert((do_test<short, int>(non_cce)));
assert((do_test<int, short>(non_cce)));
assert((do_test<int, long>(non_cce)));
assert((do_test<long, int>(non_cce)));
assert((do_test<int, long long>(non_cce)));
assert((do_test<long long, int>(non_cce)));
// LWG#2792
{
auto res = std::experimental::gcd((int64_t)1234, (int32_t)-2147483648);
static_assert( std::is_same<decltype(res), std::common_type<int64_t, int32_t>::type>::value, "");
assert(res == 2);
}
}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.lcm/lcm.bool1.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::lcm(false, 4);
}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.lcm/lcm.bool2.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::lcm(2, true);
}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.lcm/lcm.bool3.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::lcm<volatile bool, int>(false, 4);
}

25
test/std/experimental/numeric/numeric.ops/numeric.ops.lcm/lcm.bool4.fail.cpp
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@@ -1,25 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
// Remarks: If either M or N is not an integer type,
// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::lcm<int, const bool>(2, true);
}

24
test/std/experimental/numeric/numeric.ops/numeric.ops.lcm/lcm.not_integral1.fail.cpp
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@@ -1,24 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
// Remarks: If either M or N is not an integer type, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::lcm(2.0, 4);
}

24
test/std/experimental/numeric/numeric.ops/numeric.ops.lcm/lcm.not_integral2.fail.cpp
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@@ -1,24 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
// Remarks: If either M or N is not an integer type, the program is ill-formed.
#include <experimental/numeric>
int main()
{
std::experimental::lcm(4, 6.0);
}

139
test/std/experimental/numeric/numeric.ops/numeric.ops.lcm/lcm.pass.cpp
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@@ -1,139 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
#include <experimental/numeric>
#include <cassert>
#include <cstdlib>
#include <iostream>
constexpr struct {
int x;
int y;
int expect;
} Cases[] = {
{0, 0, 0},
{1, 0, 0},
{0, 1, 0},
{1, 1, 1},
{2, 3, 6},
{2, 4, 4},
{3, 17, 51},
{36, 18, 36}
};
template <typename Input1, typename Input2, typename Output>
constexpr bool test0(Input1 in1, Input2 in2, Output out)
{
static_assert((std::is_same<Output, decltype(std::experimental::lcm(Input1(0), Input2(0)))>::value), "" );
static_assert((std::is_same<Output, decltype(std::experimental::lcm(Input2(0), Input1(0)))>::value), "" );
return out == std::experimental::lcm(in1, in2) ? true : (std::abort(), false);
}
template <typename Input1, typename Input2 = Input1>
constexpr bool do_test(int = 0)
{
using S1 = typename std::make_signed<Input1>::type;
using S2 = typename std::make_signed<Input2>::type;
using U1 = typename std::make_unsigned<Input1>::type;
using U2 = typename std::make_unsigned<Input2>::type;
bool accumulate = true;
for (auto TC : Cases) {
{ // Test with two signed types
using Output = std::common_type_t<S1, S2>;
accumulate &= test0<S1, S2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S1, S2, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<S1, S2, Output>(TC.x, -TC.y, TC.expect);
accumulate &= test0<S1, S2, Output>(-TC.x, -TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(TC.x, -TC.y, TC.expect);
accumulate &= test0<S2, S1, Output>(-TC.x, -TC.y, TC.expect);
}
{ // test with two unsigned types
using Output = std::common_type_t<U1, U2>;
accumulate &= test0<U1, U2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<U2, U1, Output>(TC.x, TC.y, TC.expect);
}
{ // Test with mixed signs
using Output = std::common_type_t<S1, U2>;
accumulate &= test0<S1, U2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<U2, S1, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S1, U2, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<U2, S1, Output>(TC.x, -TC.y, TC.expect);
}
{ // Test with mixed signs
using Output = std::common_type_t<S2, U1>;
accumulate &= test0<S2, U1, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<U1, S2, Output>(TC.x, TC.y, TC.expect);
accumulate &= test0<S2, U1, Output>(-TC.x, TC.y, TC.expect);
accumulate &= test0<U1, S2, Output>(TC.x, -TC.y, TC.expect);
}
}
return accumulate;
}
int main()
{
auto non_cce = std::rand(); // a value that can't possibly be constexpr
static_assert(do_test<signed char>(), "");
static_assert(do_test<short>(), "");
static_assert(do_test<int>(), "");
static_assert(do_test<long>(), "");
static_assert(do_test<long long>(), "");
assert(do_test<signed char>(non_cce));
assert(do_test<short>(non_cce));
assert(do_test<int>(non_cce));
assert(do_test<long>(non_cce));
assert(do_test<long long>(non_cce));
static_assert(do_test< int8_t>(), "");
static_assert(do_test<int16_t>(), "");
static_assert(do_test<int32_t>(), "");
static_assert(do_test<int64_t>(), "");
assert(do_test< int8_t>(non_cce));
assert(do_test<int16_t>(non_cce));
assert(do_test<int32_t>(non_cce));
assert(do_test<int64_t>(non_cce));
static_assert(do_test<signed char, int>(), "");
static_assert(do_test<int, signed char>(), "");
static_assert(do_test<short, int>(), "");
static_assert(do_test<int, short>(), "");
static_assert(do_test<int, long>(), "");
static_assert(do_test<long, int>(), "");
static_assert(do_test<int, long long>(), "");
static_assert(do_test<long long, int>(), "");
assert((do_test<signed char, int>(non_cce)));
assert((do_test<int, signed char>(non_cce)));
assert((do_test<short, int>(non_cce)));
assert((do_test<int, short>(non_cce)));
assert((do_test<int, long>(non_cce)));
assert((do_test<long, int>(non_cce)));
assert((do_test<int, long long>(non_cce)));
assert((do_test<long long, int>(non_cce)));
// LWG#2792
{
auto res1 = std::experimental::lcm((int64_t)1234, (int32_t)-2147483648);
(void) std::experimental::lcm<int, unsigned long>(INT_MIN, 2); // this used to trigger UBSAN
static_assert( std::is_same<decltype(res1), std::common_type<int64_t, int32_t>::type>::value, "");
assert(res1 == 1324997410816LL);
}
}