matrix.h 1.6 KB

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  1. /* vim: set ts=8 sw=8 noexpandtab: */
  2. // qcms
  3. // Copyright (C) 2009 Mozilla Foundation
  4. // Copyright (C) 1998-2007 Marti Maria
  5. //
  6. // Permission is hereby granted, free of charge, to any person obtaining
  7. // a copy of this software and associated documentation files (the "Software"),
  8. // to deal in the Software without restriction, including without limitation
  9. // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10. // and/or sell copies of the Software, and to permit persons to whom the Software
  11. // is furnished to do so, subject to the following conditions:
  12. //
  13. // The above copyright notice and this permission notice shall be included in
  14. // all copies or substantial portions of the Software.
  15. //
  16. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
  18. // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23. #ifndef _QCMS_MATRIX_H
  24. #define _QCMS_MATRIX_H
  25. struct vector {
  26. float v[3];
  27. };
  28. struct vector matrix_eval(struct matrix mat, struct vector v);
  29. float matrix_det(struct matrix mat);
  30. struct matrix matrix_identity(void);
  31. struct matrix matrix_multiply(struct matrix a, struct matrix b);
  32. struct matrix matrix_invert(struct matrix mat);
  33. struct matrix matrix_invalid(void);
  34. #endif