sci2c arduino updated

1 files changed, 51 insertions, 0 deletions

diff --git a/2.3-1/src/c/signalProcessing/ifft/cifftma.c b/2.3-1/src/c/signalProcessing/ifft/cifftma.c
new file mode 100644
index 00000000..209cdc92
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/ifft/cifftma.c
@@ -0,0 +1,51 @@
+/*
+ *  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 "ifft.h"
+
+void cifftma ( floatComplex* in , int rows, int cols, floatComplex* out)
+{
+	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)(rows * cols));
+	dblout		= (doubleComplex*)malloc(sizeof(doubleComplex) * (unsigned int)(rows * cols));
+
+
+
+	/*copy and cast all the floatComplex value into doubleComplex value */
+	for ( i = 0 ; i < (rows * cols) ; i ++ )
+		{
+		dblin[i] = DoubleComplex ( (double) creals( in[i]) , (double) cimags ( in[i])) ;
+		}
+
+    zifftma ( dblin, rows , cols , dblout );
+
+
+	for ( i = 0 ; i < (rows * cols) ; i++ )
+        {
+		out[i] = FloatComplex ((float)  zreals ( dblout[i]) , (float) zimags ( dblout[i])) ;
+
+        }
+
+    free ( dblin);
+    free ( dblout);
+
+}