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Zero
Running
on
Zero
File size: 3,041 Bytes
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#define GLM_ENABLE_EXPERIMENTAL
#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::i8vec4 const A = glm::compScale<glm::i8>(glm::vec4(0.0f,-1.0f, 0.5f, 1.0f));
Error += A.x == 0 ? 0 : 1;
Error += A.y == -128 ? 0 : 1;
Error += A.z == 63 ? 0 : 1;
Error += A.w == 127 ? 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;
}
{
glm::i16vec4 const A = glm::compScale<glm::i16>(glm::vec4(0.0f,-1.0f, 0.5f, 1.0f));
Error += A.x == 0 ? 0 : 1;
Error += A.y == -32768 ? 0 : 1;
Error += A.z == 16383 ? 0 : 1;
Error += A.w == 32767 ? 0 : 1;
}
return Error;
}
}// compScale
int main()
{
int Error(0);
Error += compNormalize::run();
Error += compScale::run();
return Error;
}
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