gfx/qcms/matrix.h

   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
  24 #ifndef _QCMS_MATRIX_H
  25 #define _QCMS_MATRIX_H
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31 struct vector {
  32         float v[3];
  33 };
  34
  35 struct vector matrix_eval(struct matrix mat, struct vector v);
  36 float matrix_det(struct matrix mat);
  37 struct matrix matrix_identity(void);
  38 struct matrix matrix_multiply(struct matrix a, struct matrix b);
  39 struct matrix matrix_invert(struct matrix mat);
  40
  41 struct matrix matrix_invalid(void);
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif