38 lines
1010 B
C++
38 lines
1010 B
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_trigonometry.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#include <glm/gtc/type_precision.hpp>
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#include <glm/gtx/fast_trigonometry.hpp>
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#include <glm/gtc/constants.hpp>
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int test_fastSin()
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{
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int Error(0);
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float DiffMax = 0.0f;
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for(std::size_t i = 0; i < 10000; ++i)
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{
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float angle = glm::pi<float>() * 2.0f / static_cast<float>(i + 1);
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float A = glm::sin(angle);
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float B = glm::fastSin(angle);
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DiffMax = glm::max(DiffMax, glm::abs(B - A));
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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_fastSin();
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return Error;
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}
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