mirror of
https://github.com/g-truc/glm.git
synced 2024-11-10 12:41:54 +00:00
129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
/// 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_component_wise.cpp
|
|
/// @date 2013-10-25 / 2015-09-25
|
|
/// @author Christophe Riccio
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#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 compNormalize
|
|
{
|
|
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;
|
|
}
|
|
|
|
{
|
|
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 compNormalize
|
|
|
|
namespace compScale
|
|
{
|
|
int run()
|
|
{
|
|
int Error(0);
|
|
|
|
{
|
|
glm::u8vec4 const A = glm::compScale<glm::u8>(glm::vec4(0.0f, 0.2f, 0.5f, 1.0f));
|
|
|
|
Error += A.x == std::numeric_limits<glm::u8>::min() ? 0 : 1;
|
|
Error += A.y < (std::numeric_limits<glm::u8>::max() >> 2) ? 0 : 1;
|
|
Error += A.z == 127 ? 0 : 1;
|
|
Error += A.w == 255 ? 0 : 1;
|
|
}
|
|
|
|
{
|
|
glm::u16vec4 const A = glm::compScale<glm::u16>(glm::vec4(0.0f, 0.2f, 0.5f, 1.0f));
|
|
|
|
Error += A.x == std::numeric_limits<glm::u16>::min() ? 0 : 1;
|
|
Error += A.y < (std::numeric_limits<glm::u16>::max() >> 2) ? 0 : 1;
|
|
Error += A.z == 32767 ? 0 : 1;
|
|
Error += A.w == 65535 ? 0 : 1;
|
|
}
|
|
|
|
return Error;
|
|
}
|
|
}// compScale
|
|
|
|
int main()
|
|
{
|
|
int Error(0);
|
|
|
|
Error += compNormalize::run();
|
|
Error += compScale::run();
|
|
|
|
return Error;
|
|
}
|