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/inversion/cinverma.c | 53 +++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 src/c/matrixOperations/inversion/cinverma.c

(limited to 'src/c/matrixOperations/inversion/cinverma.c')

diff --git a/src/c/matrixOperations/inversion/cinverma.c b/src/c/matrixOperations/inversion/cinverma.c
new file mode 100644
index 0000000..069fb39
--- /dev/null
+++ b/src/c/matrixOperations/inversion/cinverma.c
@@ -0,0 +1,53 @@
+/*
+ *  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 <stdlib.h>
+#include "matrixInversion.h" 
+#include "lapack.h" 
+
+void cinverma ( floatComplex* in, floatComplex* out, int leadDimIn )
+{
+
+	int i = 0 ;
+	/* these 3 variable are created to permit to use the value in the fortran functions 
+	   because they need doubleComplex matrix as arguments and we can't cast directly the pointers
+	   without having problems , i know that's ugly */
+	doubleComplex *dblin	= NULL;
+	doubleComplex *dblout	= NULL;	
+
+	
+	
+	/* Array allocations*/
+	dblin		= (doubleComplex*)malloc(sizeof(doubleComplex) * (unsigned int)(leadDimIn * leadDimIn));			 
+	dblout		= (doubleComplex*)malloc(sizeof(doubleComplex) * (unsigned int)(leadDimIn * leadDimIn));
+
+
+
+	/*copy and cast all the floatComplex value into doubleComplex value */								
+	for ( i = 0 ; i < (leadDimIn * leadDimIn) ; i ++ )
+		{        
+		dblin[i] = DoubleComplex ( (double) creals( in[i]) , (double) cimags ( in[i])) ;
+		}
+    
+    zinverma ( dblin, dblout, leadDimIn );
+
+                     
+	for ( i = 0 ; i < (leadDimIn * leadDimIn) ; i++ )
+        {
+		out[i] = FloatComplex ((float)  zreals ( dblout[i]) , (float) zimags ( dblout[i])) ;
+
+        }							
+
+    free ( dblin);
+    free ( dblout);                    
+
+}
-- 
cgit