MatCreateSeqUSFFT#
Creates a matrix object that provides sequential USFFT via the external package FFTW
Synopsis#
#include "petscmat.h"
#include "petscdmda.h"
PetscErrorCode MatCreateSeqUSFFT(Vec sampleCoords, DMDA freqDA, Mat *A)
Collective
Input Parameter#
da - geometry of the domain encoded by a DMDA
Output Parameter#
A - the matrix
Options Database Keys#
-mat_usfft_plannerflags - set the FFTW planner flags
Level#
intermediate
Location#
src/dm/impls/da/usfft/matusfft.c
Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages