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Improved the test for the pow-of-2 constraint from Mark's recommendation.

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henry
2009-01-30 15:02:00 +00:00
parent f0f677e3d6
commit 60dba3fba4
1 changed files with 3 additions and 2 deletions
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5
src/randomProcesses/fft/fft.C
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@ -48,8 +48,9 @@ void fft::transform
{ {
forAll(nn, idim) forAll(nn, idim)
{ {
scalar pow2 = log(scalar(nn[idim]))/log(scalar(2)); // Check for power of two
if ((pow2 - int(pow2 + 0.5)) > SMALL) unsigned int dimCount = nn[idim];
if (!dimCount || (dimCount & (dimCount - 1)))
{ {
FatalErrorIn FatalErrorIn
( (