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if the src.stride() != 1, then the layout is not continuous -- need to copy to temporary

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This commit is contained in:
Mark Borgerding
2010-01-22 01:17:36 -05:00
parent cd7912313d
commit 141c746fc7
2 changed files with 18 additions and 23 deletions
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15
unsupported/Eigen/FFT
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@@ -185,7 +185,13 @@ class FFT
dst->derived().resize( (src.size()>>1)+1);
else
dst->derived().resize(src.size());
fwd( &(*dst)[0],&src[0],src.size() );
if (src.stride() != 1) {
Matrix<typename InputDerived::Scalar,1,Dynamic> tmp = src;
fwd( &(*dst)[0],&tmp[0],src.size() );
}else{
fwd( &(*dst)[0],&src[0],src.size() );
}
}
inline
@@ -219,7 +225,12 @@ class FFT
int nfft = src.size();
int nout = HasFlag(HalfSpectrum) ? ((nfft>>1)+1) : nfft;
dst->derived().resize( nout );
inv( &(*dst)[0],&src[0], nfft);
if (src.stride() != 1) {
Matrix<typename ComplexDerived::Scalar,1,Dynamic> tmp = src;
inv( &(*dst)[0],&tmp[0], nfft);
}else{
inv( &(*dst)[0],&src[0], nfft);
}
}
template <typename _Output>