359 lines
7.3 KiB
C++
359 lines
7.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Created : 2008-08-03
|
|
// Updated : 2010-02-04
|
|
// Licence : This source is under MIT License
|
|
// File : glm/core/func_exponential.inl
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace glm
|
|
{
|
|
namespace core{
|
|
namespace function{
|
|
namespace exponential{
|
|
|
|
// pow
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType pow
|
|
(
|
|
genType const & x,
|
|
genType const & y
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'pow' only accept floating-point input");
|
|
|
|
return ::std::pow(x, y);
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec2<T> pow
|
|
(
|
|
detail::tvec2<T> const & x,
|
|
detail::tvec2<T> const & y
|
|
)
|
|
{
|
|
return detail::tvec2<T>(
|
|
pow(x.x, y.x),
|
|
pow(x.y, y.y));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec3<T> pow
|
|
(
|
|
detail::tvec3<T> const & x,
|
|
detail::tvec3<T> const & y
|
|
)
|
|
{
|
|
return detail::tvec3<T>(
|
|
pow(x.x, y.x),
|
|
pow(x.y, y.y),
|
|
pow(x.z, y.z));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec4<T> pow
|
|
(
|
|
detail::tvec4<T> const & x,
|
|
detail::tvec4<T> const & y
|
|
)
|
|
{
|
|
return detail::tvec4<T>(
|
|
pow(x.x, y.x),
|
|
pow(x.y, y.y),
|
|
pow(x.z, y.z),
|
|
pow(x.w, y.w));
|
|
}
|
|
|
|
// exp
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType exp
|
|
(
|
|
genType const & x
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'exp' only accept floating-point input");
|
|
|
|
return ::std::exp(x);
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec2<T> exp
|
|
(
|
|
detail::tvec2<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec2<T>(
|
|
exp(x.x),
|
|
exp(x.y));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec3<T> exp
|
|
(
|
|
detail::tvec3<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec3<T>(
|
|
exp(x.x),
|
|
exp(x.y),
|
|
exp(x.z));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec4<T> exp
|
|
(
|
|
detail::tvec4<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec4<T>(
|
|
exp(x.x),
|
|
exp(x.y),
|
|
exp(x.z),
|
|
exp(x.w));
|
|
}
|
|
|
|
// log
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType log
|
|
(
|
|
genType const & x
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'log' only accept floating-point input");
|
|
|
|
return ::std::log(x);
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec2<T> log
|
|
(
|
|
detail::tvec2<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec2<T>(
|
|
log(x.x),
|
|
log(x.y));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec3<T> log
|
|
(
|
|
detail::tvec3<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec3<T>(
|
|
log(x.x),
|
|
log(x.y),
|
|
log(x.z));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec4<T> log
|
|
(
|
|
detail::tvec4<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec4<T>(
|
|
log(x.x),
|
|
log(x.y),
|
|
log(x.z),
|
|
log(x.w));
|
|
}
|
|
|
|
//exp2, ln2 = 0.69314718055994530941723212145818f
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType exp2
|
|
(
|
|
genType const & x
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'exp2' only accept floating-point input");
|
|
|
|
return ::std::exp(genType(0.69314718055994530941723212145818) * x);
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec2<T> exp2
|
|
(
|
|
detail::tvec2<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec2<T>(
|
|
exp2(x.x),
|
|
exp2(x.y));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec3<T> exp2
|
|
(
|
|
detail::tvec3<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec3<T>(
|
|
exp2(x.x),
|
|
exp2(x.y),
|
|
exp2(x.z));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec4<T> exp2
|
|
(
|
|
detail::tvec4<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec4<T>(
|
|
exp2(x.x),
|
|
exp2(x.y),
|
|
exp2(x.z),
|
|
exp2(x.w));
|
|
}
|
|
|
|
// log2, ln2 = 0.69314718055994530941723212145818f
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType log2
|
|
(
|
|
genType const & x
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'log2' only accept floating-point input");
|
|
|
|
return ::std::log(x) / genType(0.69314718055994530941723212145818);
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec2<T> log2
|
|
(
|
|
detail::tvec2<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec2<T>(
|
|
log2(x.x),
|
|
log2(x.y));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec3<T> log2
|
|
(
|
|
detail::tvec3<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec3<T>(
|
|
log2(x.x),
|
|
log2(x.y),
|
|
log2(x.z));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec4<T> log2
|
|
(
|
|
detail::tvec4<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec4<T>(
|
|
log2(x.x),
|
|
log2(x.y),
|
|
log2(x.z),
|
|
log2(x.w));
|
|
}
|
|
|
|
// sqrt
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType sqrt
|
|
(
|
|
genType const & x
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'sqrt' only accept floating-point input");
|
|
|
|
return genType(::std::sqrt(x));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec2<T> sqrt
|
|
(
|
|
detail::tvec2<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec2<T>(
|
|
sqrt(x.x),
|
|
sqrt(x.y));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec3<T> sqrt
|
|
(
|
|
detail::tvec3<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec3<T>(
|
|
sqrt(x.x),
|
|
sqrt(x.y),
|
|
sqrt(x.z));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec4<T> sqrt
|
|
(
|
|
detail::tvec4<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec4<T>(
|
|
sqrt(x.x),
|
|
sqrt(x.y),
|
|
sqrt(x.z),
|
|
sqrt(x.w));
|
|
}
|
|
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType inversesqrt
|
|
(
|
|
genType const & x
|
|
)
|
|
{
|
|
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'inversesqrt' only accept floating-point input");
|
|
|
|
return genType(1) / ::std::sqrt(x);
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec2<T> inversesqrt
|
|
(
|
|
detail::tvec2<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec2<T>(
|
|
inversesqrt(x.x),
|
|
inversesqrt(x.y));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec3<T> inversesqrt
|
|
(
|
|
detail::tvec3<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec3<T>(
|
|
inversesqrt(x.x),
|
|
inversesqrt(x.y),
|
|
inversesqrt(x.z));
|
|
}
|
|
|
|
template <typename T>
|
|
GLM_FUNC_QUALIFIER detail::tvec4<T> inversesqrt
|
|
(
|
|
detail::tvec4<T> const & x
|
|
)
|
|
{
|
|
return detail::tvec4<T>(
|
|
inversesqrt(x.x),
|
|
inversesqrt(x.y),
|
|
inversesqrt(x.z),
|
|
inversesqrt(x.w));
|
|
}
|
|
|
|
}//namespace exponential
|
|
}//namespace function
|
|
}//namespace core
|
|
}//namespace glm
|