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https://github.com/g-truc/glm.git
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85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#include <glm/ext/scalar_relational.hpp>
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#include <glm/gtc/ulp.hpp>
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#include <cmath>
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static int test_equal_epsilon()
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{
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# if GLM_CONFIG_CONSTEXP == GLM_ENABLE
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static_assert(glm::equal(1.01f, 1.02f, 0.1f), "GLM: Failed constexpr");
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static_assert(!glm::equal(1.01f, 1.02f, 0.001f), "GLM: Failed constexpr");
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# endif
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int Error = 0;
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Error += glm::equal(1.01f, 1.02f, 0.1f) ? 0 : 1;
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Error += !glm::equal(1.01f, 1.02f, 0.001f) ? 0 : 1;
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return Error;
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}
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static int test_notEqual_epsilon()
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{
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# if GLM_CONFIG_CONSTEXP == GLM_ENABLE
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static_assert(glm::notEqual(1.01f, 1.02f, 0.001f), "GLM: Failed constexpr");
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static_assert(!glm::notEqual(1.01f, 1.02f, 0.1f), "GLM: Failed constexpr");
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# endif
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int Error = 0;
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Error += glm::notEqual(1.01f, 1.02f, 0.001f) ? 0 : 1;
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Error += !glm::notEqual(1.01f, 1.02f, 0.1f) ? 0 : 1;
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return Error;
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}
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static int test_equal_ulps()
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{
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int Error = 0;
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float const ULP1Plus = glm::next_float(1.0f);
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Error += glm::equal(1.0f, ULP1Plus, 1) ? 0 : 1;
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float const ULP2Plus = glm::next_float(ULP1Plus);
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Error += !glm::equal(1.0f, ULP2Plus, 1) ? 0 : 1;
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float const ULP1Minus = glm::prev_float(1.0f);
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Error += glm::equal(1.0f, ULP1Minus, 1) ? 0 : 1;
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float const ULP2Minus = glm::prev_float(ULP1Minus);
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Error += !glm::equal(1.0f, ULP2Minus, 1) ? 0 : 1;
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return Error;
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}
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static int test_notEqual_ulps()
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{
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int Error = 0;
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float const ULP1Plus = glm::next_float(1.0f);
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Error += !glm::notEqual(1.0f, ULP1Plus, 1) ? 0 : 1;
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float const ULP2Plus = glm::next_float(ULP1Plus);
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Error += glm::notEqual(1.0f, ULP2Plus, 1) ? 0 : 1;
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float const ULP1Minus = glm::prev_float(1.0f);
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Error += !glm::notEqual(1.0f, ULP1Minus, 1) ? 0 : 1;
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float const ULP2Minus = glm::prev_float(ULP1Minus);
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Error += glm::notEqual(1.0f, ULP2Minus, 1) ? 0 : 1;
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return Error;
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}
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int main()
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{
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int Error = 0;
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Error += test_equal_epsilon();
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Error += test_notEqual_epsilon();
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Error += test_equal_ulps();
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Error += test_notEqual_ulps();
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return Error;
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}
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