invert.h 2.8 KB

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  1. /*
  2. * The copyright in this software is being made available under the 2-clauses
  3. * BSD License, included below. This software may be subject to other third
  4. * party and contributor rights, including patent rights, and no such rights
  5. * are granted under this license.
  6. *
  7. * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
  8. * All rights reserved.
  9. *
  10. * Redistribution and use in source and binary forms, with or without
  11. * modification, are permitted provided that the following conditions
  12. * are met:
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright
  16. * notice, this list of conditions and the following disclaimer in the
  17. * documentation and/or other materials provided with the distribution.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  20. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  23. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29. * POSSIBILITY OF SUCH DAMAGE.
  30. */
  31. #ifndef OPJ_INVERT_H
  32. #define OPJ_INVERT_H
  33. /**
  34. @file invert.h
  35. @brief Implementation of the matrix inversion
  36. The function in INVERT.H compute a matrix inversion with a LUP method
  37. */
  38. /** @defgroup INVERT INVERT - Implementation of a matrix inversion */
  39. /*@{*/
  40. /** @name Exported functions */
  41. /*@{*/
  42. /* ----------------------------------------------------------------------- */
  43. /**
  44. * Calculates a n x n double matrix inversion with a LUP method. Data is aligned, rows after rows (or columns after columns).
  45. * The function does not take ownership of any memory block, data must be fred by the user.
  46. *
  47. * @param pSrcMatrix the matrix to invert.
  48. * @param pDestMatrix data to store the inverted matrix.
  49. * @param nb_compo size of the matrix
  50. * @return OPJ_TRUE if the inversion is successful, OPJ_FALSE if the matrix is singular.
  51. */
  52. OPJ_BOOL opj_matrix_inversion_f(OPJ_FLOAT32 * pSrcMatrix,
  53. OPJ_FLOAT32 * pDestMatrix,
  54. OPJ_UINT32 nb_compo);
  55. /* ----------------------------------------------------------------------- */
  56. /*@}*/
  57. /*@}*/
  58. #endif /* OPJ_INVERT_H */