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math_constants.h
/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2018 John Wellbelove
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
coPIes of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in all
coPIes or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
******************************************************************************/
#ifndef ETL_MATH_CONSTANTS_INCLUDED
#define ETL_MATH_CONSTANTS_INCLUDED
#include "platform.h"
#include "private/diagnostic_gnu_static_float_init_push.h"
namespace etl
{
namespace private_math_constants
{
template <typename T = void>
struct math_helper
{
static ETL_CONSTANT double pi = 3.14159265358979;
static ETL_CONSTANT double pi_reciprocal = 0.31830988618379;
static ETL_CONSTANT double pi_squared = 9.86960440108936;
static ETL_CONSTANT double e = 2.71828182845905;
static ETL_CONSTANT double e_reciprocal = 0.36787944117144;
static ETL_CONSTANT double e_squared = 7.38905609893065;
static ETL_CONSTANT double root2 = 1.41421356237310;
static ETL_CONSTANT double root2_reciprocal = 0.70710678118655;
static ETL_CONSTANT double euler = 0.57721566490153;
static ETL_CONSTANT double golden_ratio = 1.61803398874989;
};
template <typename T>
ETL_CONSTANT double math_helper<T>::pi;
template <typename T>
ETL_CONSTANT double math_helper<T>::pi_reciprocal;
template <typename T>
ETL_CONSTANT double math_helper<T>::pi_squared;
template <typename T>
ETL_CONSTANT double math_helper<T>::e;
template <typename T>
ETL_CONSTANT double math_helper<T>::e_reciprocal;
template <typename T>
ETL_CONSTANT double math_helper<T>::e_squared;
template <typename T>
ETL_CONSTANT double math_helper<T>::root2;
template <typename T>
ETL_CONSTANT double math_helper<T>::root2_reciprocal;
template <typename T>
ETL_CONSTANT double math_helper<T>::euler;
template <typename T>
ETL_CONSTANT double math_helper<T>::golden_ratio;
} // namespace private_math_constants
struct math : public private_math_constants::math_helper<>
{
};
} // namespace etl
#include "private/diagnostic_pop.h"
#endif
diagnostic_gnu_static_float_init_push.h
diagnostic_pop.h
etl
Definition absolute.h:40
platform.h
etl::math
Definition math_constants.h:87
etl::private_math_constants::math_helper
Definition math_constants.h:42