/usr/include/glm/gtx/optimum_pow.inl is in libglm-dev 0.9.5.1-1.
This file is owned by root:root, with mode 0o644.
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// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2005-12-21
// Updated : 2005-12-27
// Licence : This source is under MIT License
// File : glm/gtx/optimum_pow.inl
///////////////////////////////////////////////////////////////////////////////////////////////////
namespace glm
{
template <typename genType>
GLM_FUNC_QUALIFIER genType pow2(genType const & x)
{
return x * x;
}
template <typename genType>
GLM_FUNC_QUALIFIER genType pow3(genType const & x)
{
return x * x * x;
}
template <typename genType>
GLM_FUNC_QUALIFIER genType pow4(genType const & x)
{
return (x * x) * (x * x);
}
GLM_FUNC_QUALIFIER bool powOfTwo(int x)
{
return !(x & (x - 1));
}
template <precision P>
GLM_FUNC_QUALIFIER detail::tvec2<bool, P> powOfTwo(detail::tvec2<int, P> const & x)
{
return detail::tvec2<bool, P>(
powOfTwo(x.x),
powOfTwo(x.y));
}
template <precision P>
GLM_FUNC_QUALIFIER detail::tvec3<bool, P> powOfTwo(detail::tvec3<int, P> const & x)
{
return detail::tvec3<bool, P>(
powOfTwo(x.x),
powOfTwo(x.y),
powOfTwo(x.z));
}
template <precision P>
GLM_FUNC_QUALIFIER detail::tvec4<bool, P> powOfTwo(detail::tvec4<int, P> const & x)
{
return detail::tvec4<bool, P>(
powOfTwo(x.x),
powOfTwo(x.y),
powOfTwo(x.z),
powOfTwo(x.w));
}
}//namespace glm
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