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///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2009-10-26
// Updated : 2011-06-07
// Licence : This source is under MIT License
// File : glm/gtx/multiple.inl
///////////////////////////////////////////////////////////////////////////////////////////////////
// Dependency:
// - GLM core
///////////////////////////////////////////////////////////////////////////////////////////////////
namespace glm
{
//////////////////////
// higherMultiple
template <typename genType>
GLM_FUNC_QUALIFIER genType higherMultiple
(
genType const & Source,
genType const & Multiple
)
{
if (Source > 0)
{
genType Tmp = Source - 1;
return Tmp + (Multiple - (Tmp % Multiple));
}
else
return Source + (-Source % Multiple);
}
template <>
GLM_FUNC_QUALIFIER detail::half higherMultiple
(
detail::half const & SourceH,
detail::half const & MultipleH
)
{
float Source = SourceH.toFloat();
float Multiple = MultipleH.toFloat();
int Tmp = int(float(Source)) % int(Multiple);
return detail::half(Tmp ? Source + Multiple - float(Tmp) : Source);
}
template <>
GLM_FUNC_QUALIFIER float higherMultiple
(
float const & Source,
float const & Multiple
)
{
int Tmp = int(Source) % int(Multiple);
return Tmp ? Source + Multiple - float(Tmp) : Source;
}
template <>
GLM_FUNC_QUALIFIER double higherMultiple
(
double const & Source,
double const & Multiple
)
{
long Tmp = long(Source) % long(Multiple);
return Tmp ? Source + Multiple - double(Tmp) : Source;
}
VECTORIZE_VEC_VEC(higherMultiple)
//////////////////////
// lowerMultiple
template <typename genType>
GLM_FUNC_QUALIFIER genType lowerMultiple
(
genType const & Source,
genType const & Multiple
)
{
if (Source >= 0)
return Source - Source % Multiple;
else
{
genType Tmp = Source + 1;
return Tmp - Tmp % Multiple - Multiple;
}
}
template <>
GLM_FUNC_QUALIFIER detail::half lowerMultiple
(
detail::half const & SourceH,
detail::half const & MultipleH
)
{
float Source = SourceH.toFloat();
float Multiple = MultipleH.toFloat();
int Tmp = int(float(Source)) % int(float(Multiple));
return detail::half(Tmp ? Source - float(Tmp) : Source);
}
template <>
GLM_FUNC_QUALIFIER float lowerMultiple
(
float const & Source,
float const & Multiple
)
{
int Tmp = int(Source) % int(Multiple);
return Tmp ? Source - float(Tmp) : Source;
}
template <>
GLM_FUNC_QUALIFIER double lowerMultiple
(
double const & Source,
double const & Multiple
)
{
long Tmp = long(Source) % long(Multiple);
return Tmp ? Source - double(Tmp) : Source;
}
VECTORIZE_VEC_VEC(lowerMultiple)
}//namespace glm
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