45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright (c) 2016-2018 Easy2D - Nomango
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| // 
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| // Permission is hereby granted, free of charge, to any person obtaining a copy
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| // of this software and associated documentation files (the "Software"), to deal
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| // in the Software without restriction, including without limitation the rights
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| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| // copies of the Software, and to permit persons to whom the Software is
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| // furnished to do so, subject to the following conditions:
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| // 
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| // The above copyright notice and this permission notice shall be included in
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| // all copies or substantial portions of the Software.
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| // 
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| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| // THE SOFTWARE.
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| 
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| #pragma once
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| 
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| #if _MSC_VER >= 1900
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| #	define E2D_CONSTEXPR constexpr
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| #else
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| #	define E2D_CONSTEXPR const
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| #endif
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| 
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| namespace easy2d
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| {
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| 	namespace math
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| 	{
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| 		namespace constants
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| 		{
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| 			E2D_CONSTEXPR auto PI_F     = 3.141592653589793f;
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| 			E2D_CONSTEXPR auto PI_F_2   = 1.570796326794896f;
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| 			E2D_CONSTEXPR auto PI_F_X_2 = 6.283185307179586f;
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| 
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| 			E2D_CONSTEXPR auto PI_D     = 3.14159265358979323846;
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| 			E2D_CONSTEXPR auto PI_D_2   = 1.57079632679489661923;
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| 			E2D_CONSTEXPR auto PI_D_X_2 = 6.28318530717958647692;
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| 		}
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| 	}
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| }
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