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fabsf.hpp
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fabsf.hpp
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/*################################################################################
##
## Copyright (C) 2016-2024 Keith O'Hara
##
## This file is part of the GCE-Math C++ library.
##
## Licensed under the Apache License, Version 2.0 (the "License");
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##
################################################################################*/
#ifndef _gcem_fabsf_HPP
#define _gcem_fabsf_HPP
/**
* Compile-time floating-point absolute value function
*
* @param x a real-valued input.
* @return the absolute value of \c x, \f$ |x| \f$, where the return type is a floating point number (float only).
*/
template<typename T>
constexpr
float
fabsf(const T x)
noexcept
{
return gcem::abs( static_cast<float>(x) );
}
#endif