add fftshift functions,header and interface

1 files changed, 26 insertions, 0 deletions

diff --git a/src/signalProcessing/fftshift/dfftshifta.c b/src/signalProcessing/fftshift/dfftshifta.c
new file mode 100644
index 00000000..795dc0d3
--- /dev/null
+++ b/src/signalProcessing/fftshift/dfftshifta.c
@@ -0,0 +1,26 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  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 "fftshift.h"
+
+void dfftshifta(double* in,int rows,int columns,double* out){	
+	double* temp;
+	
+	/*FIXME : malloc here*/
+	temp=malloc((uint)(rows*columns)*sizeof(double));
+	
+	drowfftshifta(in,rows,columns,temp);		
+	dcolumnfftshifta(temp,rows,columns,out);
+}
+
+