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FFT: pass nullptr for inembed/onembed in hipfftPlanMany to avoid HIPFFT_PARSE_ERROR

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Peter Boyle
2026-05-19 17:15:21 -04:00
parent e79adc9d31
commit a9f42c08f9
1 changed files with 5 additions and 2 deletions
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Grid/algorithms/FFT.h
+5 -2
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@@ -75,7 +75,10 @@ public:
int ostride, int odist,
int sign, unsigned flags) {
FFTW_plan p;
auto rv = hipfftPlanMany(&p,rank,n,n,istride,idist,n,ostride,odist,HIPFFT_Z2Z,howmany);
// Pass nullptr for inembed/onembed: contiguous layout is the default and
// avoids HIPFFT_PARSE_ERROR (12) triggered by some rocFFT versions when
// inembed==n (non-null, no-padding case).
auto rv = hipfftPlanMany(&p,rank,n,nullptr,istride,idist,nullptr,ostride,odist,HIPFFT_Z2Z,howmany);
GRID_ASSERT(rv==HIPFFT_SUCCESS);
return p;
}
@@ -101,7 +104,7 @@ public:
int ostride, int odist,
int sign, unsigned flags) {
FFTW_plan p;
auto rv = hipfftPlanMany(&p,rank,n,n,istride,idist,n,ostride,odist,HIPFFT_C2C,howmany);
auto rv = hipfftPlanMany(&p,rank,n,nullptr,istride,idist,nullptr,ostride,odist,HIPFFT_C2C,howmany);
GRID_ASSERT(rv==HIPFFT_SUCCESS);
return p;
}