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Tina6/tina-libs/tina/math/mathMatr_build.c

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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/mathMatr_build.c,v $
 37  * Date    :  $Date: 2003/09/23 11:32:20 $
 38  * Version :  $Revision: 1.4 $
 39  * CVS Id  :  $Id: mathMatr_build.c,v 1.4 2003/09/23 11:32:20 matts Exp $
 40  *
 41  * Author  :  Legacy TINA
 42  *
 43  * Notes : Build Matrices of various types and shapes around already allocated arrays
 44  *
 45  *********
 46 */
 47 /** 
 48  *  @file
 49  *  @brief  Functions for building and expanding Matrices around previously allocated arrays.   
 50  *
 51  * 
 52 */
 53 
 54 #include "mathMatr_build.h"
 55 
 56 #if HAVE_CONFIG_H
 57 #include <config.h>
 58 #endif
 59 
 60 #include <tina/sys/sysDef.h>
 61 #include <tina/sys/sysPro.h>
 62 #include <tina/math/math_MatrDef.h>
 63 #include <tina/math/mathMatr_alloc.h>
 64 #include <tina/math/mathMatr_copy.h>
 65 #include <tina/math/mathMatr_free.h>
 66 
 67 Matrix         *matrix_build(int m, int n, Matrix_shape shape, Vartype vtype, void *el)
 68 {
 69         Matrix         *mat;
 70 
 71         if (m < 0 || n < 0)
 72         {
 73                 error("matrix_build: bad size", non_fatal);
 74                 return (NULL);
 75         }
 76         if (m == 0 || n == 0)
 77         {
 78                 error("matrix_build: zero size", warning);
 79                 return (NULL);
 80         }
 81         if (el == NULL)
 82         {
 83                 error("matrix_build: null array", non_fatal);
 84                 return (NULL);
 85         }
 86         mat = ts_ralloc(Matrix);
 87         mat->m = m;
 88         mat->n = n;
 89         mat->shape = shape;
 90         mat->vtype = vtype;
 91         switch (mat->vtype)
 92         {
 93         case int_v:
 94                 mat->el.int_v = (int **) el;
 95                 break;
 96         case float_v:
 97                 mat->el.float_v = (float **) el;
 98                 break;
 99         case double_v:
100                 mat->el.double_v = (double **) el;
101                 break;
102         default:
103                 error("matrix_build: matrix type unsupported", non_fatal);
104                 break;
105         }
106 
107         return (mat);
108 }
109 
110 
111 Matrix         *matrix_expand(Matrix * mat, int m, int n)
112 {
113         Matrix         *matrix_alloc();
114         Matrix         *copy;
115 
116         copy = matrix_alloc(m, n, mat->shape, mat->vtype);
117         matrix_copy_inplace(mat, copy);
118         matrix_free(mat);
119 
120         return (copy);
121 }
122 

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