90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2018 John Wellbelove
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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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The above copyright notice and this permission notice shall be included in all
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coPIes or substantial portions of the Software.
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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 THE
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SOFTWARE.
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******************************************************************************/
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#ifndef ETL_MATH_CONSTANTS_INCLUDED
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#define ETL_MATH_CONSTANTS_INCLUDED
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#include "platform.h"
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namespace etl
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{
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namespace private_math_constants
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{
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template <typename T = void>
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struct math_helper
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{
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static ETL_CONSTANT double pi = 3.14159265358979;
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static ETL_CONSTANT double pi_reciprocal = 0.31830988618379;
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static ETL_CONSTANT double pi_squared = 9.86960440108936;
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static ETL_CONSTANT double e = 2.71828182845905;
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static ETL_CONSTANT double e_reciprocal = 0.36787944117144;
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static ETL_CONSTANT double e_squared = 7.38905609893065;
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static ETL_CONSTANT double root2 = 1.41421356237310;
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static ETL_CONSTANT double root2_reciprocal = 0.70710678118655;
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static ETL_CONSTANT double euler = 0.57721566490153;
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static ETL_CONSTANT double golden_ratio = 1.61803398874989;
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};
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template <typename T>
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ETL_CONSTANT double math_helper<T>::pi;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::pi_reciprocal;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::pi_squared;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::e;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::e_reciprocal;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::e_squared;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::root2;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::root2_reciprocal;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::euler;
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template <typename T>
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ETL_CONSTANT double math_helper<T>::golden_ratio;
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}
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struct math : public private_math_constants::math_helper<>
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{
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};
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}
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#endif
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