From 8eb127022b569407a88189667c4cdb62d5442f48 Mon Sep 17 00:00:00 2001 From: Rasmus Munk Larsen Date: Fri, 19 Feb 2016 16:33:30 -0800 Subject: Get rid of duplicate code. --- unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h | 18 ------------------ 1 file changed, 18 deletions(-) (limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h') diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h b/unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h index 97552f5bc..aec5f4c8e 100644 --- a/unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h +++ b/unsupported/Eigen/CXX11/src/Tensor/TensorFFT.h @@ -237,24 +237,6 @@ struct TensorEvaluator, D } } } - // Compute twiddle factors - // t_n = exp(sqrt(-1) * pi * n^2 / line_len) - // for n = 0, 1,..., line_len-1. - // 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); - if (line_len > 1) { - const ComplexScalar pos_j_base = ComplexScalar( - std::cos(M_PI / line_len), std::sin(M_PI / line_len)); - pos_j_base_powered[1] = pos_j_base; - if (line_len > 2) { - const ComplexScalar pos_j_base_sq = pos_j_base * pos_j_base; - for (int i = 2; i < line_len + 1; ++i) { - pos_j_base_powered[i] = pos_j_base_powered[i - 1] * - pos_j_base_powered[i - 1] / - pos_j_base_powered[i - 2] * pos_j_base_sq; - } - } - } } for (Index partial_index = 0; partial_index < m_size / line_len; ++partial_index) { -- cgit v1.2.3