#include "petscmat.h" #include "petscvec.h" PetscErrorCode VecScatterFFTWToPetsc(Mat A,Vec x,Vec y)Collective on Mat Many br
A | - FFTW matrix Many br | |
x | - FFTW vector Many br |
Many br
Note: While doing real transform the FFTW output of backward DFT contains extra zeros at the end of last dimension. Many brVecScatterFFTWToPetsc removes those extra zeros. Many br
Level:intermediate
Location:src/mat/impls/fft/fftw/fftw.c
Index of all Mat routines
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