source: Sophya/trunk/SophyaLib/NTools/fftpserver.h@ 1390

Last change on this file since 1390 was 1390, checked in by ansari, 25 years ago

Modifs interface FFTServer , Reza 9/2/2001
File size: 2.1 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(TArray< complex<r_8> > const & in, TArray< complex<r_8> > & out);
26 virtual void FFTBackward(TArray< complex<r_8> > const & in, TArray< complex<r_8> > & out);
27 virtual void FFTForward(TArray< r_8 > const & in, TArray< complex<r_8> > & out);
28 virtual void FFTBackward(TArray< complex<r_8> > const & in, TArray< r_8 > & out);
29
30 // Transforme unidimensionnel sur des float
31 virtual void FFTForward(TArray< complex<r_4> > const & in, TArray< complex<r_4> > & out);
32 virtual void FFTBackward(TArray< complex<r_4> > const & in, TArray< complex<r_4> > & out);
33 virtual void FFTForward(TArray< r_4 > const & in, TArray< complex<r_4> > & out);
34 virtual void FFTBackward(TArray< complex<r_4> > const & in, TArray< 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 protected:
47 virtual void checkint_rfft(int_4 l);
48 virtual void checkint_dfft(int_4 l);
49 virtual void checkint_cfft(int_4 l);
50 virtual void checkint_cdfft(int_4 l);
51
52 int sz_rfft;
53 r_4* ws_rfft;
54
55 int sz_cfft;
56 r_4* ws_cfft;
57
58 int sz_dfft;
59 r_8* ws_dfft;
60
61 int sz_cdfft;
62 r_8* ws_cdfft;
63
64 FFTArrayChecker<r_4> ckR4;
65 FFTArrayChecker<r_8> ckR8;
66};
67
68} // Fin du namespace
69
70
71#endif
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