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authorjofret2009-04-28 06:55:15 +0000
committerjofret2009-04-28 06:55:15 +0000
commit89ce1d449dde70966962946e197c576cf350dc31 (patch)
tree913252b78bddfb80d8a7a98db0592950372f91d0 /src/matrixOperations/hilbert/dhilba.c
parent49ad35ec2d8a12428a1613e2a955ddae4195e216 (diff)
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Moving source code
Diffstat (limited to 'src/matrixOperations/hilbert/dhilba.c')
-rw-r--r--src/matrixOperations/hilbert/dhilba.c43
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diff --git a/src/matrixOperations/hilbert/dhilba.c b/src/matrixOperations/hilbert/dhilba.c
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-/*
- * 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 "hilbert.h"
-
-void dhilba ( double* out, int size ){
-
- int iIndex1 = 0;
- int iIndex2 = 0;
- double dblVal = size;
- double dblTemp = 0;
-
- for(iIndex1 = 0 ; iIndex1 < size ; iIndex1++)
- {
- if(iIndex1 != 0)
- dblVal = ((size - iIndex1) * dblVal * (size + iIndex1)) / pow((double)iIndex1,2);
-
- dblTemp = dblVal * dblVal;
-
- out[iIndex1 * size + iIndex1] = dblTemp / ( 2 * iIndex1 + 1);
-
- if(iIndex1 == size - 1)
- break;
-
- for(iIndex2 = iIndex1 + 1 ; iIndex2 < size ; iIndex2++)
- {
- dblTemp = -((size - iIndex2) * dblTemp * (size + iIndex2)) / pow((double)iIndex2,2);
- out[iIndex1 * size + iIndex2] = dblTemp / (iIndex1 + iIndex2 + 1);
- out[iIndex2 * size + iIndex1] = out[iIndex1 * size + iIndex2];
- }
- }
-
-
-}