38 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.3 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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| 
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| #define GLM_FORCE_RADIANS
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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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| 
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| int test_fastInverseSqrt()
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| {
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| 	int Error(0);
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| 
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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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| 
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| 	
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| 	return 0;
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| }
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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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| 
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| 	Error += test_fastInverseSqrt();
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| 
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| 	return Error;
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| }
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