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Use EIGEN_PI instead of redefining our own constant PI

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This commit is contained in:
Benoit Steiner 2016-03-05 08:04:45 -08:00
parent c23e0be18f
commit 23aed8f2e4
1 changed files with 2 additions and 2 deletions
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4
unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h
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@ -225,9 +225,9 @@ struct TensorEvaluator<const TensorFFTOp<FFT, ArgType, FFTResultType, FFTDir>, D
// For n > 2 we use the recurrence t_n = t_{n-1}^2 / t_{n-2} * t_1^2 // For n > 2 we use the recurrence t_n = t_{n-1}^2 / t_{n-2} * t_1^2
pos_j_base_powered[0] = ComplexScalar(1, 0); pos_j_base_powered[0] = ComplexScalar(1, 0);
if (line_len > 1) { if (line_len > 1) {
const RealScalar PI(3.14159265358979323846); const RealScalar pi_over_len(EIGEN_PI / line_len);
const ComplexScalar pos_j_base = ComplexScalar( const ComplexScalar pos_j_base = ComplexScalar(
std::cos(PI / line_len), std::sin(PI / line_len)); std::cos(pi_over_len), std::sin(pi_over_len));
pos_j_base_powered[1] = pos_j_base; pos_j_base_powered[1] = pos_j_base;
if (line_len > 2) { if (line_len > 2) {
const ComplexScalar pos_j_base_sq = pos_j_base * pos_j_base; const ComplexScalar pos_j_base_sq = pos_j_base * pos_j_base;