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Code Releases Activity

fftw can be switched off

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paboyle 2016-08-22 16:24:49 +01:00
parent 73ce476890
commit 356e7940fd
1 changed files with 7 additions and 0 deletions
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7
lib/FFT.h
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@ -113,12 +113,17 @@ namespace Grid {
int sign = FFTW_FORWARD; int sign = FFTW_FORWARD;
if (inverse) sign = FFTW_BACKWARD; if (inverse) sign = FFTW_BACKWARD;
#ifdef HAVE_FFTW
fftw_plan p = fftw_plan_many_dft(rank,n,howmany, fftw_plan p = fftw_plan_many_dft(rank,n,howmany,
in,inembed, in,inembed,
istride,idist, istride,idist,
out,onembed, out,onembed,
ostride, odist, ostride, odist,
sign,FFTW_ESTIMATE); sign,FFTW_ESTIMATE);
#else
fftw_plan p ;
assert(0);
#endif
// Barrel shift and collect global pencil // Barrel shift and collect global pencil
for(int p=0;p<processors[dim];p++) { for(int p=0;p<processors[dim];p++) {
@ -159,7 +164,9 @@ namespace Grid {
} }
// FFT the pencil // FFT the pencil
#ifdef HAVE_FFTW
fftw_execute(p); fftw_execute(p);
#endif
// Extract the result // Extract the result
for(int l=0;l<L;l++){ for(int l=0;l<L;l++){