From db464f35f5a10b58d9ed1085e0b462689adee583 Mon Sep 17 00:00:00 2001
From: Siddhesh Wani
Date: Mon, 25 May 2015 14:46:31 +0530
Subject: Original Version
---
src/c/matrixOperations/hilb/shilba.c | 44 ++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 src/c/matrixOperations/hilb/shilba.c
(limited to 'src/c/matrixOperations/hilb/shilba.c')
diff --git a/src/c/matrixOperations/hilb/shilba.c b/src/c/matrixOperations/hilb/shilba.c
new file mode 100644
index 00000000..25249ced
--- /dev/null
+++ b/src/c/matrixOperations/hilb/shilba.c
@@ -0,0 +1,44 @@
+/*
+ * 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 "hilb.h"
+
+void shilba ( float* out, int size ){
+
+ int iIndex1 = 0;
+ int iIndex2 = 0;
+ float dblVal = (float) size;
+ float dblTemp = 0;
+
+ for(iIndex1 = 0 ; iIndex1 < size ; iIndex1++)
+ {
+ if(iIndex1 != 0)
+ dblVal = ((float)(size - iIndex1) * dblVal * (float)(size + iIndex1)) /(float) pow((double)iIndex1,2);
+
+ dblTemp = dblVal * dblVal;
+
+ out[iIndex1 * size + iIndex1] =(float) dblTemp /(float) ( 2 * iIndex1 + 1);
+
+ if(iIndex1 == size - 1)
+ break;
+
+ for(iIndex2 = iIndex1 + 1 ; iIndex2 < size ; iIndex2++)
+ {
+ dblTemp = -((float)(size - iIndex2) * dblTemp *(float) (size + iIndex2)) /(float) pow((double)iIndex2,2);
+ out[iIndex1 * size + iIndex2] = dblTemp /(float) (iIndex1 + iIndex2 + 1);
+ out[iIndex2 * size + iIndex1] = out[iIndex1 * size + iIndex2];
+ }
+ }
+
+
+}
--
cgit