Changeset 2988 in Sophya for trunk/SophyaLib/NTools/fftservintf.cc

Timestamp:

Jun 23, 2006, 12:30:29 PM (19 years ago)

Author:

ansari

Message:

1/ MAJ documentation/commentaire dans FFTServerInterface (fftservintf.cc)
2/ Ajout flag use_out_size d'utilisation de la taille du tableau reel de
sortie pour FFTBack(complex->real) dans ReShapetoReal() pour FFTPackServer
(fichiers fftpserver.h .cc)

Reza 23 Juin 2006

File:

• trunk/SophyaLib/NTools/fftservintf.cc (modified) (2 diffs)

trunk/SophyaLib/NTools/fftservintf.cc

@@ -104 +104 @@
   \param out : Output real array
   \param usoutsz : if true, use the output array size for computing the inverse FFT.
+
+  In all cases, the input/output array sizes compatibility is checked.
+  if usoutsz == false, the size of the real array is selected based on the 
+  the imaginary part of the input complex array at the nyquist frequency.
+  size_out_real = 2*size_in_complex - ( 1 or 2)   
  */
 void FFTServerInterface::FFTBackward(TArray< complex<r_8> > const &, TArray< r_8 > &, bool)
@@ -152 +157 @@
   \param out : Output real array
   \param usoutsz : if true, use the output array size for computing the inverse FFT.
- */
+
+  In all cases, the input/output array sizes compatibility is checked.
+  if usoutsz == false, the size of the real array is selected based on the 
+  the imaginary part of the input complex array at the nyquist frequency.
+  size_out_real = 2*size_in_complex - ( 1 or 2)   
+*/
 void FFTServerInterface::FFTBackward(TArray< complex<r_4> > const &, TArray< r_4 > &, bool)
 {