1 files changed, 66 insertions, 0 deletions
diff --git a/src/signalProcessing/includes/fft.h b/src/signalProcessing/includes/fft.h
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+++ b/src/signalProcessing/includes/fft.h
@@ -0,0 +1,66 @@
+/*
+ *  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 __FFT_H__
+#define __FFT_H__
+
+#include "floatComplex.h"
+#include "doubleComplex.h"
+
+
+void dfft2 ( double* a , double* b , int nseg , int n , int nspn ,
+             int isn , int ierr, int* iw , int lw );
+
+
+
+void dfftbi ( double* a , double* b , int nseg , int n , int nspn ,
+              int isn , int ierr, int lout , int lnow ,
+              int lused ,int lmax , int lbook , int* rstak , int* istakk );
+
+void fft842 ( int _iDirect , int _iDimen , int* _pdblReal , int* _pdblImag , int _err );
+
+void r2tx ( int _iDimen , double* _pdblReal, double* _pdblImag );
+void r4tx ( int _iDimen , double* _pdblReal, double* _pdblImag) ;
+void r8tx ( int _iTempDimen , int _iDimen , int _iLengt ,  double* _pdblReal, double* _pdblImag );
+
+
+int dfftmx ( double* _pdblA , double* _pdblB , int _iNtot, int _iN, int _iNspan,
+             int _iIsn, int _iM, int _iKt, int* _piWt, int* _piCk,
+             int* _piBt, int* _piSk ,int* _piNp, int* _piNfac);
+/* under functions used by dfftmx */
+   void preliminaryWork (void);
+   void preliminaryWork (void);
+   void permute_stage1 (void);
+   void permute_stage2 (void);
+   void f4t_150 (void);
+   void factorOf3Transform (void) ;
+   void factorOf5Transform (void) ;
+   void preFOtherTransform (void);
+   void factorOfOtherTransform (void);
+   void pre_sqFactor2NormlOrder (void);
+   void nonSqFactor2NormOrder (void) ;
+   void detPermutCycles (void);
+   void reorderMatrix (void ) ;
+   
+   int f4t_170 (void);
+   int factorTransform (void);
+   int pre_fOf2Trans (void);
+   int factorOf2Transform (void);
+   int factorOf4Transform (void);
+   int  mulByRotationFactor (void );
+   int  post_sqFactor2NormlOrder (void);
+   int  single_sqFactor2NormlOrder (void);
+   int  preF2transform (void) ;
+   int  multi_sqFactor2NormlOrder (void);
+   int  end (void) ;
+
+#endif /* !__FFT_H__ */
+\ No newline at end of file