diff options
| -rw-r--r-- | unsupported/test/cxx11_tensor_fft.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/unsupported/test/cxx11_tensor_fft.cpp b/unsupported/test/cxx11_tensor_fft.cpp index a55369477..ef5f1a312 100644 --- a/unsupported/test/cxx11_tensor_fft.cpp +++ b/unsupported/test/cxx11_tensor_fft.cpp @@ -228,10 +228,13 @@ template <typename RealScalar> static void test_fft_non_power_of_2_round_trip(int exponent) { int n = (1 << exponent) + 1; - Eigen::DSizes<long, 1> dimensions; + // The dimension type needs to be at least 8 bytes long for the + // Tensor constructor to work. On Windows, long is only 4 bytes long, + // so use long long here to force the usage of a 8 bytes integer type. + Eigen::DSizes<std::int64_t, 1> dimensions; dimensions[0] = n; - const DSizes<long, 1> arr = dimensions; - Tensor<RealScalar, 1, ColMajor, long> input; + const DSizes<std::int64_t, 1> arr = dimensions; + Tensor<RealScalar, 1, ColMajor, std::int64_t> input; input.resize(arr); input.setRandom(); @@ -242,7 +245,7 @@ static void test_fft_non_power_of_2_round_trip(int exponent) { Tensor<std::complex<RealScalar>, 1, ColMajor> forward = input.template fft<BothParts, FFT_FORWARD>(fft); - Tensor<RealScalar, 1, ColMajor, long> output = + Tensor<RealScalar, 1, ColMajor, std::int64_t> output = forward.template fft<RealPart, FFT_REVERSE>(fft); for (int i = 0; i < n; ++i) { |