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authorSiddhesh Wani2015-05-25 14:46:31 +0530
committerSiddhesh Wani2015-05-25 14:46:31 +0530
commit6a320264c2de3d6dd8cc1d1327b3c30df4c8cb26 (patch)
tree1b7bd89fdcfd01715713d8a15db471dc75a96bbf /2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c
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Original Version
Diffstat (limited to '2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c')
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diff --git a/2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.c b/2.3-1/src/c/signalProcessing/lpc2cep/slpc2cepa.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 <stdlib.h>
+#include "lpc2cep.h"
+#include "fft.h"
+#include "ifft.h"
+#include "logm.h"
+
+void slpc2cepa(float *in, int size, float*out){
+ int i;
+ floatComplex* inCpx;
+
+ /* Copy in in a FloatComplex*/
+ inCpx=(floatComplex*)malloc((unsigned int)(size*size)*sizeof(floatComplex));
+ for (i=0;i<size*size;i++)
+ {
+ inCpx[i]=FloatComplex(in[i],0);
+ }
+
+ cfftma(inCpx,size,size,inCpx);
+ clogma(inCpx,size,inCpx);
+ cifftma(inCpx,size,size,inCpx);
+
+ creala(inCpx,size*size,out);
+
+ free(inCpx);
+}
+
+