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Tina6/tina-libs/tina/math/mathGeom_mat2.h

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  1 /**********
  2  * 
  3  * Copyright (c) 2003, Division of Imaging Science and Biomedical Engineering,
  4  * University of Manchester, UK.  All rights reserved.
  5  * 
  6  * Redistribution and use in source and binary forms, with or without modification, 
  7  * are permitted provided that the following conditions are met:
  8  * 
  9  *   . Redistributions of source code must retain the above copyright notice, 
 10  *     this list of conditions and the following disclaimer.
 11  *    
 12  *   . Redistributions in binary form must reproduce the above copyright notice,
 13  *     this list of conditions and the following disclaimer in the documentation 
 14  *     and/or other materials provided with the distribution.
 15  * 
 16  *   . Neither the name of the University of Manchester nor the names of its
 17  *     contributors may be used to endorse or promote products derived from this 
 18  *     software without specific prior written permission.
 19  * 
 20  * 
 21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 31  * POSSIBILITY OF SUCH DAMAGE.
 32  *
 33  **********
 34  * 
 35  * Program :    TINA
 36  * File    :  $Source: /home/tina/cvs/tina-libs/tina/math/mathGeom_mat2.h,v $
 37  * Date    :  $Date: 2003/09/22 16:09:02 $
 38  * Version :  $Revision: 1.2 $
 39  * CVS Id  :  $Id: mathGeom_mat2.h,v 1.2 2003/09/22 16:09:02 tony Exp $
 40  *
 41  * Author  :  Legacy Tina
 42  *
 43  * Notes :
 44  *
 45  *********
 46 */
 47 
 48 #ifndef TINA_MATH_GEOM_MAT2_HDR
 49 #define TINA_MATH_GEOM_MAT2_HDR
 50 
 51 #include <stdio.h>
 52 #include <tina/math/math_GeomDef.h>
 53 
 54 #ifdef __cplusplus
 55 extern "C" {
 56 #endif /* __cplusplus */
 57 
 58   void   *mat2_alloc(void);
 59   void   *mat2_make(Mat2 n);
 60   void    mat2_free(void *m);
 61   Mat2    mat2(double mxx, double mxy, double myx, double myy);
 62   Mat2    mat2_unit(void);
 63   Mat2    mat2_zero(void);
 64   void    mat2_comps(Mat2 m, float *mxx, float *mxy, float *myx, float *myy);
 65   Vec2    mat2_rowx(Mat2 m);
 66   Vec2    mat2_rowy(Mat2 m);
 67   Vec2    mat2_colx(Mat2 m);
 68   Vec2    mat2_coly(Mat2 m);
 69   Mat2    mat2_of_rows(Vec2 rx, Vec2 ry);
 70   Mat2    mat2_of_cols(Vec2 cx, Vec2 cy);
 71   Mat2    mat2_sum(Mat2 m, Mat2 n);
 72   Mat2    mat2_diff(Mat2 m, Mat2 n);
 73   Mat2    mat2_minus(Mat2 m);
 74   Mat2    mat2_times(double k, Mat2 m);
 75   Mat2    mat2_prod(Mat2 m, Mat2 n);
 76   Mat2    mat2_inverse(Mat2 m);
 77   Mat2    mat2_transpose(Mat2 m);
 78   Mat2    mat2_sym(Mat2 m);
 79   double  mat2_trace(Mat2 m);
 80   double  mat2_det(Mat2 m);
 81   Bool    mat2_posdef(Mat2 m);
 82   Vec2    mat2_vprod(Mat2 m, Vec2 v);
 83   double  mat2_sprod(Vec2 v, Mat2 m, Vec2 w);
 84   Mat2    mat2_tensor(Vec2 v, Vec2 w);
 85   Mat2    mat2_read(FILE * fp);
 86   void    mat2_print(FILE * fp, Mat2 m);
 87   void    mat2_pprint(FILE * fp, char *msg, Mat2 m);
 88   void    mat2_format(Mat2 m);
 89   void    mat2_sym_eigen(Mat2 m, double *theta, double *lambda1, double *lambda2);
 90 
 91 
 92 
 93 #ifdef __cplusplus
 94 }
 95 #endif /* __cplusplus */
 96 
 97 #endif /* TINA_MATH_GEOM_MAT2_HDR*/ 
 98 

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