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https://github.com/g-truc/glm.git
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117 lines
3.0 KiB
C++
117 lines
3.0 KiB
C++
#define GLM_ENABLE_EXPERIMENTAL
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#include <glm/gtx/component_wise.hpp>
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#include <glm/gtc/type_precision.hpp>
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#include <glm/gtc/epsilon.hpp>
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#include <glm/gtc/constants.hpp>
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#include <limits>
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namespace compNormalize
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{
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static int run()
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{
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int Error(0);
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::u8vec4(0, 127, 128, 255));
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Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.5f ? 0 : 1;
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Error += A.z > 0.5f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::i8vec4(-128, -1, 0, 127));
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Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.0f ? 0 : 1;
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Error += A.z > 0.0f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::u16vec4(
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std::numeric_limits<glm::u16>::min(),
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(std::numeric_limits<glm::u16>::max() >> 1) + 0,
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(std::numeric_limits<glm::u16>::max() >> 1) + 1,
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std::numeric_limits<glm::u16>::max()));
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Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.5f ? 0 : 1;
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Error += A.z > 0.5f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::i16vec4(
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std::numeric_limits<glm::i16>::min(),
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static_cast<glm::i16>(-1),
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static_cast<glm::i16>(0),
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std::numeric_limits<glm::i16>::max()));
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Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.0f ? 0 : 1;
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Error += A.z > 0.0f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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return Error;
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}
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}//namespace compNormalize
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namespace compScale
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{
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static int run()
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{
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int Error(0);
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{
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glm::u8vec4 const A = glm::compScale<glm::u8>(glm::vec4(0.0f, 0.2f, 0.5f, 1.0f));
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Error += A.x == std::numeric_limits<glm::u8>::min() ? 0 : 1;
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Error += A.y < (std::numeric_limits<glm::u8>::max() >> 2) ? 0 : 1;
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Error += A.z == 127 ? 0 : 1;
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Error += A.w == 255 ? 0 : 1;
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}
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{
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glm::i8vec4 const A = glm::compScale<glm::i8>(glm::vec4(0.0f,-1.0f, 0.5f, 1.0f));
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Error += A.x == 0 ? 0 : 1;
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Error += A.y == -128 ? 0 : 1;
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Error += A.z == 63 ? 0 : 1;
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Error += A.w == 127 ? 0 : 1;
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}
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{
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glm::u16vec4 const A = glm::compScale<glm::u16>(glm::vec4(0.0f, 0.2f, 0.5f, 1.0f));
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Error += A.x == std::numeric_limits<glm::u16>::min() ? 0 : 1;
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Error += A.y < (std::numeric_limits<glm::u16>::max() >> 2) ? 0 : 1;
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Error += A.z == 32767 ? 0 : 1;
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Error += A.w == 65535 ? 0 : 1;
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}
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{
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glm::i16vec4 const A = glm::compScale<glm::i16>(glm::vec4(0.0f,-1.0f, 0.5f, 1.0f));
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Error += A.x == 0 ? 0 : 1;
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Error += A.y == -32768 ? 0 : 1;
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Error += A.z == 16383 ? 0 : 1;
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Error += A.w == 32767 ? 0 : 1;
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}
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return Error;
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}
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}// compScale
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int main()
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{
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int Error(0);
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Error += compNormalize::run();
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Error += compScale::run();
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return Error;
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}
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