Vous ne pouvez pas sélectionner plus de 25 sujets Les noms de sujets doivent commencer par une lettre ou un nombre, peuvent contenir des tirets ('-') et peuvent comporter jusqu'à 35 caractères.
 
 
 
 
 

39 lignes
1.2 KiB

  1. /*
  2. * aptdec - A lightweight FOSS (NOAA) APT decoder
  3. * Copyright (C) 2019-2022 Xerbo (xerbo@protonmail.com)
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation; either version 2 of the License, or
  8. * (at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program. If not, see <https://www.gnu.org/licenses/>.
  17. */
  18. #ifndef APTDEC_ALGEBRA_H
  19. #define APTDEC_ALGEBRA_H
  20. #include <stddef.h>
  21. // A linear equation in the form of y(x) = ax + b
  22. typedef struct {
  23. float a, b;
  24. } linear_t;
  25. // A quadratic equation in the form of y(x) = ax^2 + bx + c
  26. typedef struct {
  27. float a, b, c;
  28. } quadratic_t;
  29. linear_t linear_regression(const float *independent, const float *dependent, size_t len);
  30. float linear_calc(float x, linear_t line);
  31. float quadratic_calc(float x, quadratic_t line);
  32. #endif