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Diffstat (limited to 'src/c/matrixOperations/diag/ddiagins.c')
-rw-r--r-- | src/c/matrixOperations/diag/ddiagins.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/c/matrixOperations/diag/ddiagins.c b/src/c/matrixOperations/diag/ddiagins.c new file mode 100644 index 0000000..d1fc527 --- /dev/null +++ b/src/c/matrixOperations/diag/ddiagins.c @@ -0,0 +1,37 @@ +/* + * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab + * Copyright (C) 2008-2008 - INRIA - Allan SIMON + * + * 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 "diag.h" +void ddiagins(double *in, int size,double *out) +{ + + int i, j; + for ( i = 0 ; i < size ; i++ ) + { + for ( j = 0 ; j < size ; j++ ) + { + if(i==j) + { + out[(size+1)*i] = in[i] ; + /* Because to replace the diagonal element with input matrix, (_coulmn+1)*i gives the diagonal postion for m*n matrix + i.e if 3*3 matrix then diagonal postion will be 0,4,6 and for 4*4 matrix diagonal postion will be 0,5,10,15 */ + + + } + + } + } + + + +} + |