PETSc version 3.16.6
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MatCreateSeqCUFFT

Creates a matrix object that provides sequential FFT via the external package CUFFT

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatCreateSeqCUFFT(MPI_Comm comm, PetscInt ndim, const PetscInt dim[], Mat *A)
Collective

Input Parameters

comm - MPI communicator, set to PETSC_COMM_SELF
ndim - the ndim-dimensional transform
dim - array of size ndim, dim[i] contains the vector length in the i-dimension

Output Parameter

A - the matrix

Options Database Keys

-mat_cufft_plannerflags - set CUFFT planner flags

Level

intermediate

Location

src/mat/impls/cufft/cufft.cu
Index of all Mat routines
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Index of all manual pages