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Relaxed the condition used to gate the fft code.

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This commit is contained in:
Benoit Steiner 2016-03-31 18:11:51 -07:00
parent 0ea7ab4f62
commit 3da495e6b9
1 changed files with 3 additions and 3 deletions
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6
unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h
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@ -12,7 +12,7 @@
// This code requires the ability to initialize arrays of constant // This code requires the ability to initialize arrays of constant
// values directly inside a class. // values directly inside a class.
#ifdef EIGEN_HAS_CONSTEXPR #if __cplusplus >= 201103L || EIGEN_COMP_MSVC >= 1900
namespace Eigen { namespace Eigen {
@ -565,7 +565,7 @@ struct TensorEvaluator<const TensorFFTOp<FFT, ArgType, FFTResultType, FFTDir>, D
// This will support a maximum FFT size of 2^32 for each dimension // This will support a maximum FFT size of 2^32 for each dimension
// m_sin_PI_div_n_LUT[i] = (-2) * std::sin(M_PI / std::pow(2,i)) ^ 2; // m_sin_PI_div_n_LUT[i] = (-2) * std::sin(M_PI / std::pow(2,i)) ^ 2;
RealScalar m_sin_PI_div_n_LUT[32] = { const RealScalar m_sin_PI_div_n_LUT[32] = {
RealScalar(0.0), RealScalar(0.0),
RealScalar(-2), RealScalar(-2),
RealScalar(-0.999999999999999), RealScalar(-0.999999999999999),
@ -601,7 +601,7 @@ struct TensorEvaluator<const TensorFFTOp<FFT, ArgType, FFTResultType, FFTDir>, D
}; };
// m_minus_sin_2_PI_div_n_LUT[i] = -std::sin(2 * M_PI / std::pow(2,i)); // m_minus_sin_2_PI_div_n_LUT[i] = -std::sin(2 * M_PI / std::pow(2,i));
RealScalar m_minus_sin_2_PI_div_n_LUT[32] = { const RealScalar m_minus_sin_2_PI_div_n_LUT[32] = {
RealScalar(0.0), RealScalar(0.0),
RealScalar(0.0), RealScalar(0.0),
RealScalar(-1.00000000000000e+00), RealScalar(-1.00000000000000e+00),