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diff --git a/2.3-1/src/c/signalProcessing/hilbert/shilberta.c b/2.3-1/src/c/signalProcessing/hilbert/shilberta.c
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+++ b/2.3-1/src/c/signalProcessing/hilbert/shilberta.c
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+/*
+ * 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 "hilbert.h"
+#include "fft.h"
+#include "ifft.h"
+#include "multiplication.h"
+
+void shilberta (float* in, int rows, int cols, floatComplex *out){
+ int i;
+ int size=rows*cols;
+
+ for (i=0;i<rows*cols;i++) out[i]=FloatComplex(in[i],0);
+
+ cfftma(out, rows, cols, out);
+
+ for (i=0;i<size;i++){
+ if ((i>0)&&(i<(size+1)/2)) out[i] = cmuls(out[i],FloatComplex(2,0));
+ if (i>size/2) out[i] = cmuls(out[i],FloatComplex(0,0));
+ }
+
+ cifftma(out, rows, cols,out);
+}