Utilities.hxx

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 * Copyright (c) 2025, Davide Stocco and Enrico Bertolazzi.                                      *
 *                                                                                               *
 * The Astro project is distributed under the BSD 2-Clause License.                              *
 *                                                                                               *
 * Davide Stocco                                                               Enrico Bertolazzi *
 * University of Trento                                                     University of Trento *
 * e-mail: davide.stocco@unitn.it                             e-mail: enrico.bertolazzi@unitn.it *
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
#pragma once
 
#ifndef ASTRO_UTILITIES_HXX
#define ASTRO_UTILITIES_HXX
 
namespace Astro {
 
  /*\
   |   _   _ _   _ _ _ _   _
   |  | | | | |_(_) (_) |_(_) ___  ___
   |  | | | | __| | | | __| |/ _ \/ __|
   |  | |_| | |_| | | | |_| |  __/\__ \
   |   \___/ \__|_|_|_|\__|_|\___||___/
   |
  \*/

  Real power2(Real x) {return x*x;}

  Real power3(Real x) {return x*x*x;}

  static Real degrees_to_radiants(Real x) {return DEG2RAD*x;}

  static Real radiants_to_degrees(Real x) {return RAD2DEG*x;}

  void angle_in_range(Real x) {
    x = std::fmod(x, PIMUL2);
    while (x < Real(0.0)) {x += PIMUL2;}
    while (x > PIMUL2) {x -= PIMUL2;}
  }

  void angle_in_range_sym(Real x) {
    x = std::fmod(x, PIMUL2);
    while (x < -PI) {x += PIMUL2;}
    while (x > PI) {x -= PIMUL2;}
  }
 
} // namespace Astro
 
#endif // ASTRO_UTILITIES_HXX