Constants.hpp

/* This code and any associated documentation is provided "as is"
 
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SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-------------------------------------------------------------------------
  author Martin Letras
  date   May 2025
  version 1.0
  brief
  This header store a set of the most used constants.
 
*******************************************************************************
* This source code and the accompanying materials are made available under    *
* the terms of the Apache License 2.0 which accompanies this distribution.    *
******************************************************************************/
 
#pragma once
 
const double PI = 3.141592653589793238462643383279502884197169399375105820974L;
const double PI_2 =
    1.570796326794896619231321691639751442098584699687552910487L;
const double PI_4 =
    0.785398163397448309615660845819875721049292349843776455243L;
const double TAU = 6.283185307179586476925286766559005768394338798750211641950L;
const double E = 2.718281828459045235360287471352662497757247093699959574967L;