129 lines
2.5 KiB
C++
129 lines
2.5 KiB
C++
#include <glm/common.hpp>
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#include <glm/exponential.hpp>
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#include <glm/gtc/ulp.hpp>
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#include <glm/gtc/vec1.hpp>
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int test_pow()
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{
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int Error(0);
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float A = glm::pow(10.f, 10.f);
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glm::vec1 B = glm::pow(glm::vec1(10.f), glm::vec1(10.f));
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glm::vec2 C = glm::pow(glm::vec2(10.f), glm::vec2(10.f));
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glm::vec3 D = glm::pow(glm::vec3(10.f), glm::vec3(10.f));
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glm::vec4 E = glm::pow(glm::vec4(10.f), glm::vec4(10.f));
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return Error;
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}
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int test_exp()
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{
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int Error(0);
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float A = glm::exp(10.f);
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glm::vec1 B = glm::exp(glm::vec1(10.f));
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glm::vec2 C = glm::exp(glm::vec2(10.f));
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glm::vec3 D = glm::exp(glm::vec3(10.f));
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glm::vec4 E = glm::exp(glm::vec4(10.f));
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return Error;
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}
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int test_log()
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{
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int Error(0);
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float A = glm::log(10.f);
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glm::vec1 B = glm::log(glm::vec1(10.f));
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glm::vec2 C = glm::log(glm::vec2(10.f));
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glm::vec3 D = glm::log(glm::vec3(10.f));
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glm::vec4 E = glm::log(glm::vec4(10.f));
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return Error;
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}
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int test_exp2()
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{
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int Error(0);
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float A = glm::exp2(10.f);
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glm::vec1 B = glm::exp2(glm::vec1(10.f));
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glm::vec2 C = glm::exp2(glm::vec2(10.f));
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glm::vec3 D = glm::exp2(glm::vec3(10.f));
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glm::vec4 E = glm::exp2(glm::vec4(10.f));
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return Error;
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}
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int test_log2()
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{
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int Error(0);
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float A = glm::log2(10.f);
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glm::vec1 B = glm::log2(glm::vec1(10.f));
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glm::vec2 C = glm::log2(glm::vec2(10.f));
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glm::vec3 D = glm::log2(glm::vec3(10.f));
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glm::vec4 E = glm::log2(glm::vec4(10.f));
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return Error;
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}
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int test_sqrt()
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{
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int Error(0);
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# if GLM_ARCH & GLM_ARCH_SSE2_BIT
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for(float f = 0.1f; f < 30.0f; f += 0.1f)
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{
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float r = _mm_cvtss_f32(_mm_sqrt_ps(_mm_set1_ps(f)));
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float s = std::sqrt(f);
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Error += glm::abs(r - s) < 0.01f ? 0 : 1;
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assert(!Error);
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}
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# endif//GLM_ARCH & GLM_ARCH_SSE2_BIT
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float A = glm::sqrt(10.f);
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glm::vec1 B = glm::sqrt(glm::vec1(10.f));
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glm::vec2 C = glm::sqrt(glm::vec2(10.f));
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glm::vec3 D = glm::sqrt(glm::vec3(10.f));
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glm::vec4 E = glm::sqrt(glm::vec4(10.f));
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return Error;
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}
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int test_inversesqrt()
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{
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int Error(0);
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glm::uint ulp(0);
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float diff(0.0f);
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for(float f = 0.001f; f < 10.f; f *= 1.001f)
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{
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glm::lowp_fvec1 u(f);
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glm::lowp_fvec1 lowp_v = glm::inversesqrt(u);
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float defaultp_v = glm::inversesqrt(f);
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ulp = glm::max(glm::float_distance(lowp_v.x, defaultp_v), ulp);
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diff = glm::abs(lowp_v.x - defaultp_v);
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}
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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_pow();
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Error += test_exp();
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Error += test_log();
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Error += test_exp2();
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Error += test_log2();
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Error += test_sqrt();
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Error += test_inversesqrt();
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return Error;
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}
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