source: Sophya/trunk/SophyaLib/NTools/fftpserver.h@ 1371

Last change on this file since 1371 was 1371, checked in by ansari, 25 years ago

MAJ documentation, Makefile, ... - Reza 5/1/2001
File size: 2.5 KB
Line 
1// FFT (Fast Fourier Transform) Server based on FFTPack
2// R. Ansari 1999-2000
3// DAPNIA/SPP (Saclay) / CEA LAL - IN2P3/CNRS (Orsay)
4
5#ifndef FFTPServer_H_SEEN
6#define FFTPServer_H_SEEN
7
8#include "fftservintf.h"
9
10// implementation de FFTServerInterface en utilisant FFTPack
11
12namespace SOPHYA {
13
14//! An FFT server based on fftpack.
15class FFTPackServer : public FFTServerInterface {
16 public:
17 FFTPackServer();
18 virtual ~FFTPackServer();
19
20 // Implementation de l'interface FFTServerInterface
21
22 virtual FFTServerInterface * Clone();
23
24 // Transforme unidimensionnel sur des double
25 virtual void FFTForward(TVector< complex<r_8> > const & in, TVector< complex<r_8> > & out);
26 virtual void FFTBackward(TVector< complex<r_8> > const & in, TVector< complex<r_8> > & out);
27 virtual void FFTForward(TVector< r_8 > const & in, TVector< complex<r_8> > & out);
28 virtual void FFTBackward(TVector< complex<r_8> > const & in, TVector< r_8 > & out);
29
30 // Transforme unidimensionnel sur des float
31 virtual void FFTForward(TVector< complex<r_4> > const & in, TVector< complex<r_4> > & out);
32 virtual void FFTBackward(TVector< complex<r_4> > const & in, TVector< complex<r_4> > & out);
33 virtual void FFTForward(TVector< r_4 > const & in, TVector< complex<r_4> > & out);
34 virtual void FFTBackward(TVector< complex<r_4> > const & in, TVector< r_4 > & out);
35
36 // Methodes propres a cette classe
37 virtual void fftf(int_4 l, float* inout);
38 virtual void fftb(int_4 l, float* inout);
39 virtual void fftf(int_4 l, double* inout);
40 virtual void fftb(int_4 l, double* inout);
41 virtual void fftf(int_4 l, complex<float>* inout);
42 virtual void fftb(int_4 l, complex<float>* inout);
43 virtual void fftf(int_4 l, complex<double>* inout);
44 virtual void fftb(int_4 l, complex<double>* inout);
45
46// Methodes statiques pour reordonner les donnees
47 virtual void ReShapetoReal( TVector< complex<r_8> > const & in, TVector< r_8 > & out);
48 virtual void ReShapetoReal( TVector< complex<r_4> > const & in, TVector< r_4 > & out);
49
50 virtual void ReShapetoCompl(TVector< r_8 > const & in, TVector< complex<r_8> > & out);
51 virtual void ReShapetoCompl(TVector< r_4 > const & in, TVector< complex<r_4> > & out);
52
53 protected:
54 virtual void checkint_rfft(int_4 l);
55 virtual void checkint_dfft(int_4 l);
56 virtual void checkint_cfft(int_4 l);
57 virtual void checkint_cdfft(int_4 l);
58
59 int sz_rfft;
60 r_4* ws_rfft;
61
62 int sz_cfft;
63 r_4* ws_cfft;
64
65 int sz_dfft;
66 r_8* ws_dfft;
67
68 int sz_cdfft;
69 r_8* ws_cdfft;
70};
71
72} // Fin du namespace
73
74
75
76
77#endif
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