zhyang-dev/openfoam
1
0
Fork 0
mirror of https://develop.openfoam.com/Development/openfoam.git synced 2025-11-28 03:28:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

BUG: Corrected no-op in reverse transform multi-D fft - see #813

Browse Source
This commit is contained in:
Andrew Heather
2018-05-03 14:54:09 +01:00
parent ef882e542a
commit 5268b5e61d
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/randomProcesses/fft/fft.C
View File

@ -185,18 +185,18 @@ void Foam::fft::transform
const label N = field.size(); const label N = field.size();
fftw_complex in[N], out[N]; fftw_complex in[N], out[N];
// If reverse transform : renumber before transform
if (dir == REVERSE_TRANSFORM)
{
fftRenumber(field, nn);
}
forAll(field, i) forAll(field, i)
{ {
in[i][0] = field[i].Re(); in[i][0] = field[i].Re();
in[i][1] = field[i].Im(); in[i][1] = field[i].Im();
} }
// If backward transform : renumber before transform
if (dir == FFTW_BACKWARD)
{
fftRenumber(field, nn);
}
// Create the plan // Create the plan
// FFTW_FORWARD = -1 // FFTW_FORWARD = -1
// FFTW_BACKWARD = 1 // FFTW_BACKWARD = 1