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construct/include/ircd/math/exp.h

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// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2021 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_MATH_EXP_H
namespace ircd::math
{
template<class T>
typename std::enable_if<simd::is<T>(), T>::type
exp(T);
template<class T>
typename std::enable_if<simd::is<T>(), T>::type
expf(T);
template<class T>
typename std::enable_if<simd::is<T>(), T>::type
expl(T);
}
namespace ircd
{
using ::exp;
using ::expf;
using ::expl;
using math::exp;
using math::expf;
using math::expl;
}
template<class T>
inline typename std::enable_if<ircd::simd::is<T>(), T>::type
ircd::math::expl(T a)
{
for(uint i(0); i < simd::lanes<T>(); ++i)
a[i] = ::expl(a[i]);
return a;
}
template<class T>
inline typename std::enable_if<ircd::simd::is<T>(), T>::type
ircd::math::expf(T a)
{
for(uint i(0); i < simd::lanes<T>(); ++i)
a[i] = ::expf(a[i]);
return a;
}
template<class T>
inline typename std::enable_if<ircd::simd::is<T>(), T>::type
ircd::math::exp(T a)
{
for(uint i(0); i < simd::lanes<T>(); ++i)
a[i] = std::exp(a[i]);
return a;
}