1 files changed, 55 insertions, 0 deletions
diff --git a/src/c/matrixOperations/inversion/i8inverma.c b/src/c/matrixOperations/inversion/i8inverma.c
new file mode 100644
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+++ b/src/c/matrixOperations/inversion/i8inverma.c
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+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Siddhesh Wani
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "matrixInversion.h"
+#include "lapack.h"
+
+void i8inverma ( int8* in, float* out, int leadDimIn )
+{
+
+	int i = 0 ;
+	/* these 3 variable are created to permit to use the value in the fortran functions
+	   because they need double matrix as arguments and we can't cast directly the pointers
+	   without having problems , i know that's ugly */
+	double *dblin	= NULL;
+	double *dblout	= NULL;
+
+
+
+	/* Array allocations*/
+	dblin		= (double*)malloc(sizeof(double) * (unsigned int)(leadDimIn * leadDimIn));
+	dblout		= (double*)malloc(sizeof(double) * (unsigned int)(leadDimIn * leadDimIn));
+
+
+
+	/*copy and cast all the float value into double value */
+	for ( i = 0 ; i < (leadDimIn * leadDimIn) ; i ++ )
+		{
+		dblin[i] = (double) in[i]  ;
+		}
+
+    dinverma ( dblin, dblout, leadDimIn );
+
+
+	for ( i = 0 ; i < (leadDimIn * leadDimIn) ; i++ )
+        {
+		out[i] =(float) dblout[i] ;
+
+        }
+
+    free ( dblin);
+    free ( dblout);
+
+}