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Add 'noexcept' to std::lerp

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* include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).

From-SVN: r272386
This commit is contained in:
Jonathan Wakely 2019-06-17 15:32:44 +01:00 committed by Jonathan Wakely
parent 26b1320ee5
commit 360a758ec8
2 changed files with 6 additions and 4 deletions
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2
libstdc++-v3/ChangeLog
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@ -1,5 +1,7 @@
2019-06-17 Jonathan Wakely <jwakely@redhat.com>
* include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
PR libstdc++/90281 Fix string conversions for filesystem::path
* include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
Use codecvt_utf8_utf16 instead of codecvt_utf8. Use

8
libstdc++-v3/include/c_global/cmath
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@ -1891,7 +1891,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Fp>
constexpr _Fp
__lerp(_Fp __a, _Fp __b, _Fp __t)
__lerp(_Fp __a, _Fp __b, _Fp __t) noexcept
{
if (__a <= 0 && __b >= 0 || __a >= 0 && __b <= 0)
return __t * __b + (1 - __t) * __a;
@ -1908,15 +1908,15 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
constexpr float
lerp(float __a, float __b, float __t)
lerp(float __a, float __b, float __t) noexcept
{ return std::__lerp(__a, __b, __t); }
constexpr double
lerp(double __a, double __b, double __t)
lerp(double __a, double __b, double __t) noexcept
{ return std::__lerp(__a, __b, __t); }
constexpr long double
lerp(long double __a, long double __b, long double __t)
lerp(long double __a, long double __b, long double __t) noexcept
{ return std::__lerp(__a, __b, __t); }
#endif // C++20