128 lines
2.7 KiB
C++
128 lines
2.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2011-01-15
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// Updated : 2011-09-13
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// Licence : This source is under MIT licence
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// File : test/core/func_exponential.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#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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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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