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Diffstat (limited to 'src/matrixOperations/dist/ddista.c')
-rw-r--r-- | src/matrixOperations/dist/ddista.c | 53 |
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; -} |