55 lines
2.1 KiB
C++
55 lines
2.1 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 : 2013-10-25
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// Updated : 2013-10-25
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// Licence : This source is under MIT licence
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// File : test/gtx/fast_square_root.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#include <glm/gtx/fast_square_root.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/vector_relational.hpp>
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int test_fastInverseSqrt()
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{
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int Error(0);
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Error += glm::epsilonEqual(glm::fastInverseSqrt(1.0f), 1.0f, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(glm::fastInverseSqrt(1.0), 1.0, 0.01) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(glm::fastInverseSqrt(glm::vec2(1.0f)), glm::vec2(1.0f), 0.01f)) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(glm::fastInverseSqrt(glm::dvec3(1.0)), glm::dvec3(1.0), 0.01)) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(glm::fastInverseSqrt(glm::dvec4(1.0)), glm::dvec4(1.0), 0.01)) ? 0 : 1;
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return 0;
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}
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int test_fastDistance()
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{
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int Error(0);
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glm::mediump_f32 A = glm::fastDistance(glm::mediump_f32(0.0f), glm::mediump_f32(1.0f));
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glm::mediump_f32 B = glm::fastDistance(glm::mediump_f32vec2(0.0f), glm::mediump_f32vec2(1.0f, 0.0f));
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glm::mediump_f32 C = glm::fastDistance(glm::mediump_f32vec3(0.0f), glm::mediump_f32vec3(1.0f, 0.0f, 0.0f));
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glm::mediump_f32 D = glm::fastDistance(glm::mediump_f32vec4(0.0f), glm::mediump_f32vec4(1.0f, 0.0f, 0.0f, 0.0f));
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Error += glm::epsilonEqual(A, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 0 : 1;
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Error += glm::epsilonEqual(B, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 0 : 1;
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Error += glm::epsilonEqual(C, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 0 : 1;
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Error += glm::epsilonEqual(D, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 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_fastInverseSqrt();
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Error += test_fastDistance();
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return Error;
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}
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