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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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26
unsupported/test/FFTW.cpp
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@@ -123,43 +123,27 @@ void test_complex(int nfft)
template <typename T,int nrows,int ncols>
void test_complex2d()
{
typedef typename Eigen::FFT<T>::Complex Complex;
FFT<T> fft;
Eigen::Matrix<Complex,nrows,ncols> src,src2,dst,dst2;
Eigen::Matrix<Complex,nrows,ncols> src;
Eigen::Matrix<Complex,nrows,ncols> dst;
Eigen::Matrix<Complex,nrows,ncols> src2;
Eigen::Matrix<Complex,nrows,ncols> dst2;
//src = Eigen::Matrix<Complex,nrows,ncols>::Random();
src = Eigen::Matrix<Complex,nrows,ncols>::Identity();
src = Eigen::Matrix<Complex,nrows,ncols>::Random();
//src = Eigen::Matrix<Complex,nrows,ncols>::Identity();
for (int k=0;k<ncols;k++) {
Eigen::Matrix<Complex,nrows,1> tmpIn = src.col(k);
Eigen::Matrix<Complex,nrows,1> tmpOut;
fft.fwd( &tmpOut,tmpIn );
fft.fwd( &tmpOut,src.col(k) );
dst2.col(k) = tmpOut;
}
//cout << "dst2: " << dst2 << "\n\n";
for (int k=0;k<nrows;k++) {
Eigen::Matrix<Complex,1,ncols> tmpIn = dst2.row(k);
Eigen::Matrix<Complex,1,ncols> tmpOut;
fft.fwd( &tmpOut, tmpIn);
fft.fwd( &tmpOut, dst2.row(k) );
dst2.row(k) = tmpOut;
}
/*
*/
fft.fwd2(dst.data(),src.data(),nrows,ncols);
fft.inv2(src2.data(),dst.data(),nrows,ncols);
/*
cout << "src: " << src << "\n\n";
cout << "dst: " << dst << "\n\n";
cout << "src2: " << src2 << "\n\n";
cout << "dst2: " << dst2 << "\n\n";
*/
VERIFY( (src-src2).norm() < test_precision<T>() );
VERIFY( (dst-dst2).norm() < test_precision<T>() );
}