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Added compNormalize function to GTX_component_wise

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This commit is contained in:
Christophe Riccio 2015-09-25 03:14:11 +02:00
parent 998feff87e
commit a9ab80d5fd
9 changed files with 136 additions and 273 deletions
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20
glm/detail/func_geometric.inl
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@ -86,7 +86,7 @@ namespace detail
template <typename genType> template <typename genType>
GLM_FUNC_QUALIFIER genType length(genType x) GLM_FUNC_QUALIFIER genType length(genType x)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'length' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'length' accepts only floating-point inputs");
return abs(x); return abs(x);
} }
@ -94,7 +94,7 @@ namespace detail
template <typename T, precision P, template <typename, precision> class vecType> template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER T length(vecType<T, P> const & v) GLM_FUNC_QUALIFIER T length(vecType<T, P> const & v)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'length' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'length' accepts only floating-point inputs");
return sqrt(dot(v, v)); return sqrt(dot(v, v));
} }
@ -103,7 +103,7 @@ namespace detail
template <typename genType> template <typename genType>
GLM_FUNC_QUALIFIER genType distance(genType const & p0, genType const & p1) GLM_FUNC_QUALIFIER genType distance(genType const & p0, genType const & p1)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'distance' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'distance' accepts only floating-point inputs");
return length(p1 - p0); return length(p1 - p0);
} }
@ -118,14 +118,14 @@ namespace detail
template <typename T> template <typename T>
GLM_FUNC_QUALIFIER T dot(T x, T y) GLM_FUNC_QUALIFIER T dot(T x, T y)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'dot' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'dot' accepts only floating-point inputs");
return x * y; return x * y;
} }
template <typename T, precision P, template <typename, precision> class vecType> template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER T dot(vecType<T, P> const & x, vecType<T, P> const & y) GLM_FUNC_QUALIFIER T dot(vecType<T, P> const & x, vecType<T, P> const & y)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'dot' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'dot' accepts only floating-point inputs");
return detail::compute_dot<vecType, T, P>::call(x, y); return detail::compute_dot<vecType, T, P>::call(x, y);
} }
@ -133,7 +133,7 @@ namespace detail
template <typename T, precision P> template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> cross(tvec3<T, P> const & x, tvec3<T, P> const & y) GLM_FUNC_QUALIFIER tvec3<T, P> cross(tvec3<T, P> const & x, tvec3<T, P> const & y)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'cross' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'cross' accepts only floating-point inputs");
return tvec3<T, P>( return tvec3<T, P>(
x.y * y.z - y.y * x.z, x.y * y.z - y.y * x.z,
@ -145,7 +145,7 @@ namespace detail
template <typename genType> template <typename genType>
GLM_FUNC_QUALIFIER genType normalize(genType const & x) GLM_FUNC_QUALIFIER genType normalize(genType const & x)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'normalize' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'normalize' accepts only floating-point inputs");
return x < genType(0) ? genType(-1) : genType(1); return x < genType(0) ? genType(-1) : genType(1);
} }
@ -153,7 +153,7 @@ namespace detail
template <typename T, precision P, template <typename, precision> class vecType> template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> normalize(vecType<T, P> const & x) GLM_FUNC_QUALIFIER vecType<T, P> normalize(vecType<T, P> const & x)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'normalize' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'normalize' accepts only floating-point inputs");
return x * inversesqrt(dot(x, x)); return x * inversesqrt(dot(x, x));
} }
@ -182,7 +182,7 @@ namespace detail
template <typename genType> template <typename genType>
GLM_FUNC_QUALIFIER genType refract(genType const & I, genType const & N, genType const & eta) GLM_FUNC_QUALIFIER genType refract(genType const & I, genType const & N, genType const & eta)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'refract' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'refract' accepts only floating-point inputs");
genType const dotValue(dot(N, I)); genType const dotValue(dot(N, I));
genType const k(static_cast<genType>(1) - eta * eta * (static_cast<genType>(1) - dotValue * dotValue)); genType const k(static_cast<genType>(1) - eta * eta * (static_cast<genType>(1) - dotValue * dotValue));
@ -192,7 +192,7 @@ namespace detail
template <typename T, precision P, template <typename, precision> class vecType> template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> refract(vecType<T, P> const & I, vecType<T, P> const & N, T eta) GLM_FUNC_QUALIFIER vecType<T, P> refract(vecType<T, P> const & I, vecType<T, P> const & N, T eta)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'refract' only accept floating-point inputs"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'refract' accepts only floating-point inputs");
T const dotValue(dot(N, I)); T const dotValue(dot(N, I));
T const k(static_cast<T>(1) - eta * eta * (static_cast<T>(1) - dotValue * dotValue)); T const k(static_cast<T>(1) - eta * eta * (static_cast<T>(1) - dotValue * dotValue));

1
glm/ext.hpp
View File

@ -94,7 +94,6 @@
#include "./gtx/fast_exponential.hpp" #include "./gtx/fast_exponential.hpp"
#include "./gtx/fast_square_root.hpp" #include "./gtx/fast_square_root.hpp"
#include "./gtx/fast_trigonometry.hpp" #include "./gtx/fast_trigonometry.hpp"
#include "./gtx/float_normalize.hpp"
#include "./gtx/gradient_paint.hpp" #include "./gtx/gradient_paint.hpp"
#include "./gtx/handed_coordinate_space.hpp" #include "./gtx/handed_coordinate_space.hpp"
#include "./gtx/integer.hpp" #include "./gtx/integer.hpp"

18
glm/gtx/component_wise.hpp
View File

@ -54,29 +54,31 @@ namespace glm
/// @addtogroup gtx_component_wise /// @addtogroup gtx_component_wise
/// @{ /// @{
/// Convert an integer vector to a normalized float vector.
/// If the parameter value type is already a floating precision type, the value is passed through.
/// @see gtx_component_wise
template <typename floatType, typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<floatType, P> compNormalize(vecType<T, P> const & v);
/// Add all vector components together. /// Add all vector components together.
/// @see gtx_component_wise /// @see gtx_component_wise
template <typename genType> template <typename genType>
GLM_FUNC_DECL typename genType::value_type compAdd( GLM_FUNC_DECL typename genType::value_type compAdd(genType const & v);
genType const & v);
/// Multiply all vector components together. /// Multiply all vector components together.
/// @see gtx_component_wise /// @see gtx_component_wise
template <typename genType> template <typename genType>
GLM_FUNC_DECL typename genType::value_type compMul( GLM_FUNC_DECL typename genType::value_type compMul(genType const & v);
genType const & v);
/// Find the minimum value between single vector components. /// Find the minimum value between single vector components.
/// @see gtx_component_wise /// @see gtx_component_wise
template <typename genType> template <typename genType>
GLM_FUNC_DECL typename genType::value_type compMin( GLM_FUNC_DECL typename genType::value_type compMin(genType const & v);
genType const & v);
/// Find the maximum value between single vector components. /// Find the maximum value between single vector components.
/// @see gtx_component_wise /// @see gtx_component_wise
template <typename genType> template <typename genType>
GLM_FUNC_DECL typename genType::value_type compMax( GLM_FUNC_DECL typename genType::value_type compMax(genType const & v);
genType const & v);
/// @} /// @}
}//namespace glm }//namespace glm

45
glm/gtx/component_wise.inl
View File

@ -30,8 +30,51 @@
/// @author Christophe Riccio /// @author Christophe Riccio
/////////////////////////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////////////////////////
namespace glm namespace glm{
namespace detail
{ {
template <typename T, typename floatType, precision P, template <typename, precision> class vecType, bool isInteger, bool signedType>
struct compute_compNormalize
{};
template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
struct compute_compNormalize<T, floatType, P, vecType, true, true>
{
GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
{
floatType const Min = static_cast<floatType>(std::numeric_limits<T>::min());
floatType const Max = static_cast<floatType>(std::numeric_limits<T>::max());
return (vecType<floatType, P>(v) - Min) / (Max - Min) * static_cast<floatType>(2) - static_cast<floatType>(1);
}
};
template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
struct compute_compNormalize<T, floatType, P, vecType, true, false>
{
GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
{
return vecType<floatType, P>(v) / static_cast<floatType>(std::numeric_limits<T>::max());
}
};
template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
struct compute_compNormalize<T, floatType, P, vecType, false, true>
{
GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
{
return v;
}
};
}//namespace detail
template <typename floatType, typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER vecType<floatType, P> compNormalize(vecType<T, P> const & v)
{
GLM_STATIC_ASSERT(std::numeric_limits<floatType>::is_iec559, "'compNormalize' accepts only floating-point types for 'floatType' template parameter");
return detail::compute_compNormalize<T, floatType, P, vecType, std::numeric_limits<T>::is_integer, std::numeric_limits<T>::is_signed>::call(v);
}
template <typename T, precision P, template <typename, precision> class vecType> template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER T compAdd(vecType<T, P> const & v) GLM_FUNC_QUALIFIER T compAdd(vecType<T, P> const & v)
{ {

64
glm/gtx/float_normalize.hpp
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@ -1,64 +0,0 @@
///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
/// a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref gtx_float_normalize
/// @file glm/gtx/float_normalize.hpp
/// @date 2015-09-25 / 2015-09-25
/// @author Christophe Riccio
///
/// @see core (dependence)
///
/// @defgroup gtx_float_normalize GLM_GTX_float_normalize
/// @ingroup gtx
///
/// @brief Convert integer vectors into normalized float vectors.
///
/// <glm/gtx/color_space.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////
#pragma once
// Dependency:
#include "../glm.hpp"
#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
# pragma message("GLM: GLM_GTX_float_normalize extension included")
#endif
namespace glm
{
/// @addtogroup gtx_float_normalize
/// @{
/// Converts a color from HSV color space to its color in RGB color space.
/// @see gtx_float_normalize
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<float, P> floatNormalize(vecType<T, P> const & v);
/// @}
}//namespace glm
#include "float_normalize.inl"

77
glm/gtx/float_normalize.inl
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@ -1,77 +0,0 @@
///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
/// a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref gtx_float_normalize
/// @file glm/gtx/float_normalize.inl
/// @date 2015-09-25 / 2015-09-25
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
#include <limits>
namespace glm{
namespace detail
{
template <typename T, typename floatType, precision P, template <typename, precision> class vecType, bool isInteger, bool signedType>
struct compute_floatNormalize
{};
template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
struct compute_floatNormalize<T, floatType, P, vecType, true, true>
{
GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
{
floatType const Min = static_cast<floatType>(std::numeric_limits<T>::min());
floatType const Max = static_cast<floatType>(std::numeric_limits<T>::max());
return (vecType<floatType, P>(v) - Min) / (Max - Min) * static_cast<floatType>(2) - static_cast<floatType>(1);
}
};
template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
struct compute_floatNormalize<T, floatType, P, vecType, true, false>
{
GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
{
return vecType<floatType, P>(v) / static_cast<floatType>(std::numeric_limits<T>::max());
}
};
template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
struct compute_floatNormalize<T, floatType, P, vecType, false, true>
{
GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
{
return v;
}
};
}//namespace detail
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER vecType<float, P> floatNormalize(vecType<T, P> const & v)
{
return detail::compute_floatNormalize<T, float, P, vecType, std::numeric_limits<T>::is_integer, std::numeric_limits<T>::is_signed>::call(v);
}
}//namespace glm

1
test/gtx/CMakeLists.txt
View File

@ -11,7 +11,6 @@ glmCreateTestGTC(gtx_extented_min_max)
glmCreateTestGTC(gtx_fast_exponential) glmCreateTestGTC(gtx_fast_exponential)
glmCreateTestGTC(gtx_fast_square_root) glmCreateTestGTC(gtx_fast_square_root)
glmCreateTestGTC(gtx_fast_trigonometry) glmCreateTestGTC(gtx_fast_trigonometry)
glmCreateTestGTC(gtx_float_normalize)
glmCreateTestGTC(gtx_gradient_paint) glmCreateTestGTC(gtx_gradient_paint)
glmCreateTestGTC(gtx_handed_coordinate_space) glmCreateTestGTC(gtx_handed_coordinate_space)
glmCreateTestGTC(gtx_integer) glmCreateTestGTC(gtx_integer)

73
test/gtx/gtx_component_wise.cpp
View File

@ -25,15 +25,86 @@
/// THE SOFTWARE. /// THE SOFTWARE.
/// ///
/// @file test/gtx/gtx_component_wise.cpp /// @file test/gtx/gtx_component_wise.cpp
/// @date 2013-10-25 / 2014-11-25 /// @date 2013-10-25 / 2015-09-25
/// @author Christophe Riccio /// @author Christophe Riccio
/////////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////////
#include <glm/gtx/component_wise.hpp> #include <glm/gtx/component_wise.hpp>
#include <glm/gtc/type_precision.hpp>
#include <glm/gtc/epsilon.hpp>
#include <glm/gtc/constants.hpp>
#include <limits>
namespace integer_8bit_test
{
int run()
{
int Error(0);
{
glm::vec4 const A = glm::compNormalize<float>(glm::u8vec4(0, 127, 128, 255));
Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.5f ? 0 : 1;
Error += A.z > 0.5f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
{
glm::vec4 const A = glm::compNormalize<float>(glm::i8vec4(-128, -1, 0, 127));
Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.0f ? 0 : 1;
Error += A.z > 0.0f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
return Error;
}
}//namespace integer_8bit_test
namespace integer_16bit_test
{
int run()
{
int Error(0);
{
glm::vec4 const A = glm::compNormalize<float>(glm::u16vec4(
std::numeric_limits<glm::u16>::min(),
(std::numeric_limits<glm::u16>::max() >> 1) + 0,
(std::numeric_limits<glm::u16>::max() >> 1) + 1,
std::numeric_limits<glm::u16>::max()));
Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.5f ? 0 : 1;
Error += A.z > 0.5f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
{
glm::vec4 const A = glm::compNormalize<float>(glm::i16vec4(
std::numeric_limits<glm::i16>::min(),
static_cast<glm::i16>(-1),
static_cast<glm::i16>(0),
std::numeric_limits<glm::i16>::max()));
Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.0f ? 0 : 1;
Error += A.z > 0.0f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
return Error;
}
}//namespace integer_16bit_test
int main() int main()
{ {
int Error(0); int Error(0);
Error += integer_8bit_test::run();
Error += integer_16bit_test::run();
return Error; return Error;
} }

110
test/gtx/gtx_float_normalize.cpp
View File

@ -1,110 +0,0 @@
//////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
/// a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @file test/gtx/gtx_float_normalize.cpp
/// @date 2015-09-25 / 2015-09-25
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
#include <glm/gtx/float_normalize.hpp>
#include <glm/gtc/type_precision.hpp>
#include <glm/gtc/epsilon.hpp>
#include <glm/gtc/constants.hpp>
#include <limits>
namespace integer_8bit_test
{
int run()
{
int Error(0);
{
glm::vec4 const A = glm::floatNormalize(glm::u8vec4(0, 127, 128, 255));
Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.5f ? 0 : 1;
Error += A.z > 0.5f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
{
glm::vec4 const A = glm::floatNormalize(glm::i8vec4(-128, -1, 0, 127));
Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.0f ? 0 : 1;
Error += A.z > 0.0f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
return Error;
}
}//namespace integer_8bit_test
namespace integer_16bit_test
{
int run()
{
int Error(0);
{
glm::vec4 const A = glm::floatNormalize(glm::u16vec4(
std::numeric_limits<glm::u16>::min(),
(std::numeric_limits<glm::u16>::max() >> 1) + 0,
(std::numeric_limits<glm::u16>::max() >> 1) + 1,
std::numeric_limits<glm::u16>::max()));
Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.5f ? 0 : 1;
Error += A.z > 0.5f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
{
glm::vec4 const A = glm::floatNormalize(glm::i16vec4(
std::numeric_limits<glm::i16>::min(),
static_cast<glm::i16>(-1),
static_cast<glm::i16>(0),
std::numeric_limits<glm::i16>::max()));
Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
Error += A.y < 0.0f ? 0 : 1;
Error += A.z > 0.0f ? 0 : 1;
Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
}
return Error;
}
}//namespace integer_16bit_test
int main()
{
int Error(0);
Error += integer_8bit_test::run();
Error += integer_16bit_test::run();
return Error;
}