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authoryash11122017-07-07 21:20:49 +0530
committeryash11122017-07-07 21:20:49 +0530
commit9e5793a7b05b23e6044a6d7a9ddd5db39ba375f0 (patch)
treef50d6e06d8fe6bc1a9053ef10d4b4d857800ab51 /2.3-1/src/c/signalProcessing/includes/ifft.h
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+/*
+ * 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
+ *
+ */
+
+#ifndef __IFFT_H__
+#define __IFFT_H__
+
+#include "dynlib_signalprocessing.h"
+#include "floatComplex.h"
+#include "doubleComplex.h"
+
+#define siffts(in) in
+#define diffts(in) in
+#define ciffts(in) in
+#define ziffts(in) in
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EXTERN_SIGPROC void sifftma ( float* in , int rows, int cols, float* out);
+
+EXTERN_SIGPROC void difftma ( double* in , int rows, int cols, double* out);
+
+/*
+** compute the inverse fast fourier transform of a vector
+** param in : the input matrix in complex double precision
+** param rows: number of rows of the input matrix
+** param cols: number of cols of the input matrix
+** param out : the transformed matrix in complex double precision
+*/
+
+
+EXTERN_SIGPROC void zifftma ( doubleComplex* in , int rows, int cols, doubleComplex* out);
+/*
+** compute the inverse fast fourier transform of a vector
+** param in : the input matrix in complex float precision
+** param rows: number of rows of the input matrix
+** param cols: number of cols of the input matrix
+** param out : the transformed matrix in complex float precision
+*/
+
+EXTERN_SIGPROC void cifftma ( floatComplex* in , int rows, int cols, floatComplex* out);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* !__IFFT_H__ */
+