summaryrefslogtreecommitdiff
path: root/src/matrixOperations/dist/ddista.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/matrixOperations/dist/ddista.c')
-rw-r--r--src/matrixOperations/dist/ddista.c53
1 files changed, 0 insertions, 53 deletions
diff --git a/src/matrixOperations/dist/ddista.c b/src/matrixOperations/dist/ddista.c
deleted file mode 100644
index bf051a60..00000000
--- a/src/matrixOperations/dist/ddista.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
- * Copyright (C) 2008 - INRIA - Arnaud TORSET
- *
- * This file must be used under the terms of the CeCILL.
- * This source file is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at
- * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
- *
- */
-#include <stdlib.h>
-#include "dist.h"
-#include "matrixTranspose.h"
-#include "matrixMultiplication.h"
-#include "spec.h"
-#include "sqrt.h"
-
-
-double ddista(double* in1,double* in2, int lines, int columns){
- int i=0;
- double out=0;
- double *a, *at, *mul;
- doubleComplex *eigenvalues,*mulCpx;
-
-
- /* FIXME : malloc here*/
- a=(double*)malloc((unsigned int)(lines*columns)*sizeof(double));
- at=(double*)malloc((unsigned int)(lines*columns)*sizeof(double));
- mul=(double*)malloc((unsigned int)(lines*lines)*sizeof(double));
- eigenvalues=(doubleComplex*)malloc((unsigned int)(lines)*sizeof(doubleComplex));
- mulCpx=(doubleComplex*)malloc((unsigned int)(lines*lines)*sizeof(doubleComplex));
-
- for (i=0;i<lines*columns;i++) a[i]=in1[i]-in2[i];
- dtransposea(a,lines, columns,at);
- dmulma(a,lines,columns,at,columns,lines,mul);
- for (i=0;i<lines*lines;i++) mulCpx[i]=DoubleComplex(mul[i],0);
- zspeca(mulCpx,lines,eigenvalues);
- zsqrta(eigenvalues,lines,eigenvalues);
-
- /* Research of the higher value of eigenvalues*/
- for (i=0;i<lines;i++){
- if (zreals(eigenvalues[i])>out) out = zreals(eigenvalues[i]);
- }
-
- free(a);
- free(at);
- free(mul);
- free(eigenvalues);
- free(mulCpx);
-
- return out;
-}