1 files changed, 38 insertions, 0 deletions
diff --git a/src/c/signalProcessing/lpc2cep/dlpc2cepa.c b/src/c/signalProcessing/lpc2cep/dlpc2cepa.c
new file mode 100644
index 0000000..f79b258
--- /dev/null
+++ b/src/c/signalProcessing/lpc2cep/dlpc2cepa.c
@@ -0,0 +1,38 @@
+/*
+ *  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 "logm.h"
+#include "ifft.h"
+
+void dlpc2cepa(double* in, int size, double* out){
+	int i;
+	doubleComplex *inCpx;
+
+	inCpx = (doubleComplex *) malloc ((unsigned int)(size*size)*sizeof(doubleComplex));
+
+	for (i=0;i<size*size;i++)
+    {
+		inCpx[i]=DoubleComplex(in[i],0);
+    }
+
+	zfftma(inCpx,size, size, inCpx);
+	zlogma(inCpx,size,inCpx);
+	zifftma(inCpx,size, size, inCpx);
+
+ 	zreala(inCpx,size*size,out);
+
+ 	free(inCpx);
+}
+