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Diffstat (limited to 'numpy/fft/tests/test_pocketfft.py')
| -rw-r--r-- | numpy/fft/tests/test_pocketfft.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/numpy/fft/tests/test_pocketfft.py b/numpy/fft/tests/test_pocketfft.py index 0552f6afd..1029294a1 100644 --- a/numpy/fft/tests/test_pocketfft.py +++ b/numpy/fft/tests/test_pocketfft.py @@ -1,6 +1,7 @@ from __future__ import division, absolute_import, print_function import numpy as np +import pytest from numpy.random import random from numpy.testing import ( assert_array_almost_equal, assert_array_equal, assert_raises, @@ -156,6 +157,15 @@ class TestFFT1D(object): assert_array_almost_equal(x_norm, np.linalg.norm(tmp)) + @pytest.mark.parametrize("dtype", [np.half, np.single, np.double, + np.longdouble]) + def test_dtypes(self, dtype): + # make sure that all input precisions are accepted and internally + # converted to 64bit + x = random(30).astype(dtype) + assert_array_almost_equal(np.fft.ifft(np.fft.fft(x)), x) + assert_array_almost_equal(np.fft.irfft(np.fft.rfft(x)), x) + class TestFFTThreadSafe(object): threads = 16 input_shape = (800, 200) |