86 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <glm/ext/scalar_relational.hpp>
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| #include <glm/ext/scalar_integer.hpp>
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| #include <glm/ext/scalar_ulp.hpp>
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| #include <cmath>
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| 
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| static int test_equal_epsilon()
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| {
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| #	if GLM_CONFIG_CONSTEXP == GLM_ENABLE
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| 		static_assert(glm::equal(1.01f, 1.02f, 0.1f), "GLM: Failed constexpr");
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| 		static_assert(!glm::equal(1.01f, 1.02f, 0.001f), "GLM: Failed constexpr");
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| #	endif
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| 	
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| 	int Error = 0;
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| 
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| 	Error += glm::equal(1.01f, 1.02f, 0.1f) ? 0 : 1;
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| 	Error += !glm::equal(1.01f, 1.02f, 0.001f) ? 0 : 1;
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| 
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| 	return Error;
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| }
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| 
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| static int test_notEqual_epsilon()
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| {
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| #	if GLM_CONFIG_CONSTEXP == GLM_ENABLE
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| 		static_assert(glm::notEqual(1.01f, 1.02f, 0.001f), "GLM: Failed constexpr");
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| 		static_assert(!glm::notEqual(1.01f, 1.02f, 0.1f), "GLM: Failed constexpr");
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| #	endif
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| 	
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| 	int Error = 0;
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| 
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| 	Error += glm::notEqual(1.01f, 1.02f, 0.001f) ? 0 : 1;
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| 	Error += !glm::notEqual(1.01f, 1.02f, 0.1f) ? 0 : 1;
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| 
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| 	return Error;
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| }
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| 
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| static int test_equal_ulps()
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| {
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| 	int Error = 0;
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| 	
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| 	float const ULP1Plus = glm::nextFloat(1.0f);
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| 	Error += glm::equal(1.0f, ULP1Plus, 1) ? 0 : 1;
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| 
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| 	float const ULP2Plus = glm::nextFloat(ULP1Plus);
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| 	Error += !glm::equal(1.0f, ULP2Plus, 1) ? 0 : 1;
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| 	
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| 	float const ULP1Minus = glm::prevFloat(1.0f);
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| 	Error += glm::equal(1.0f, ULP1Minus, 1) ? 0 : 1;
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| 
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| 	float const ULP2Minus = glm::prevFloat(ULP1Minus);
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| 	Error += !glm::equal(1.0f, ULP2Minus, 1) ? 0 : 1;
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| 	
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| 	return Error;
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| }
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| 
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| static int test_notEqual_ulps()
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| {
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| 	int Error = 0;
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| 	
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| 	float const ULP1Plus = glm::nextFloat(1.0f);
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| 	Error += !glm::notEqual(1.0f, ULP1Plus, 1) ? 0 : 1;
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| 	
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| 	float const ULP2Plus = glm::nextFloat(ULP1Plus);
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| 	Error += glm::notEqual(1.0f, ULP2Plus, 1) ? 0 : 1;
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| 	
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| 	float const ULP1Minus = glm::prevFloat(1.0f);
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| 	Error += !glm::notEqual(1.0f, ULP1Minus, 1) ? 0 : 1;
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| 	
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| 	float const ULP2Minus = glm::prevFloat(ULP1Minus);
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| 	Error += glm::notEqual(1.0f, ULP2Minus, 1) ? 0 : 1;
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| 	
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| 	return Error;
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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_equal_epsilon();
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| 	Error += test_notEqual_epsilon();
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| 
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| 	Error += test_equal_ulps();
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| 	Error += test_notEqual_ulps();
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| 
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| 	return Error;
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| }
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