diff options
Diffstat (limited to 'numpy/fft')
-rw-r--r-- | numpy/fft/fftpack.py | 18 | ||||
-rw-r--r-- | numpy/fft/helper.py | 12 | ||||
-rw-r--r-- | numpy/fft/setup.py | 2 | ||||
-rw-r--r-- | numpy/fft/tests/test_helper.py | 2 |
4 files changed, 17 insertions, 17 deletions
diff --git a/numpy/fft/fftpack.py b/numpy/fft/fftpack.py index 2ca6cc668..1fb7bafc4 100644 --- a/numpy/fft/fftpack.py +++ b/numpy/fft/fftpack.py @@ -32,7 +32,7 @@ version of the FFTPACK routines. """ from __future__ import division, absolute_import, print_function -__all__ = ['fft','ifft', 'rfft', 'irfft', 'hfft', 'ihfft', 'rfftn', +__all__ = ['fft', 'ifft', 'rfft', 'irfft', 'hfft', 'ihfft', 'rfftn', 'irfftn', 'rfft2', 'irfft2', 'fft2', 'ifft2', 'fftn', 'ifftn'] from numpy.core import asarray, zeros, swapaxes, shape, conjugate, \ @@ -62,11 +62,11 @@ def _raw_fft(a, n=None, axis=-1, init_function=fftpack.cffti, s = list(a.shape) if s[axis] > n: index = [slice(None)]*len(s) - index[axis] = slice(0,n) + index[axis] = slice(0, n) a = a[index] else: index = [slice(None)]*len(s) - index[axis] = slice(0,s[axis]) + index[axis] = slice(0, s[axis]) s[axis] = n z = zeros(s, a.dtype.char) z[index] = a @@ -619,7 +619,7 @@ def fftn(a, s=None, axes=None): """ - return _raw_fftnd(a,s,axes,fft) + return _raw_fftnd(a, s, axes, fft) def ifftn(a, s=None, axes=None): """ @@ -714,7 +714,7 @@ def ifftn(a, s=None, axes=None): return _raw_fftnd(a, s, axes, ifft) -def fft2(a, s=None, axes=(-2,-1)): +def fft2(a, s=None, axes=(-2, -1)): """ Compute the 2-dimensional discrete Fourier Transform @@ -792,10 +792,10 @@ def fft2(a, s=None, axes=(-2,-1)): """ - return _raw_fftnd(a,s,axes,fft) + return _raw_fftnd(a, s, axes, fft) -def ifft2(a, s=None, axes=(-2,-1)): +def ifft2(a, s=None, axes=(-2, -1)): """ Compute the 2-dimensional inverse discrete Fourier Transform. @@ -965,7 +965,7 @@ def rfftn(a, s=None, axes=None): a = fft(a, s[ii], axes[ii]) return a -def rfft2(a, s=None, axes=(-2,-1)): +def rfft2(a, s=None, axes=(-2, -1)): """ Compute the 2-dimensional FFT of a real array. @@ -1086,7 +1086,7 @@ def irfftn(a, s=None, axes=None): a = irfft(a, s[-1], axes[-1]) return a -def irfft2(a, s=None, axes=(-2,-1)): +def irfft2(a, s=None, axes=(-2, -1)): """ Compute the 2-dimensional inverse FFT of a real array. diff --git a/numpy/fft/helper.py b/numpy/fft/helper.py index 058f6864d..2e35f6db6 100644 --- a/numpy/fft/helper.py +++ b/numpy/fft/helper.py @@ -68,8 +68,8 @@ def fftshift(x, axes=None): for k in axes: n = tmp.shape[k] p2 = (n+1)//2 - mylist = concatenate((arange(p2,n),arange(p2))) - y = take(y,mylist,k) + mylist = concatenate((arange(p2, n), arange(p2))) + y = take(y, mylist, k) return y @@ -116,8 +116,8 @@ def ifftshift(x, axes=None): for k in axes: n = tmp.shape[k] p2 = n-(n+1)//2 - mylist = concatenate((arange(p2,n),arange(p2))) - y = take(y,mylist,k) + mylist = concatenate((arange(p2, n), arange(p2))) + y = take(y, mylist, k) return y @@ -157,7 +157,7 @@ def fftfreq(n, d=1.0): array([ 0. , 1.25, 2.5 , 3.75, -5. , -3.75, -2.5 , -1.25]) """ - if not (isinstance(n,int) or isinstance(n, integer)): + if not (isinstance(n, int) or isinstance(n, integer)): raise ValueError("n should be an integer") val = 1.0 / (n * d) results = empty(n, int) @@ -213,7 +213,7 @@ def rfftfreq(n, d=1.0): array([ 0., 10., 20., 30., 40., 50.]) """ - if not (isinstance(n,int) or isinstance(n, integer)): + if not (isinstance(n, int) or isinstance(n, integer)): raise ValueError("n should be an integer") val = 1.0/(n*d) N = n//2 + 1 diff --git a/numpy/fft/setup.py b/numpy/fft/setup.py index 23a945fce..79f681e55 100644 --- a/numpy/fft/setup.py +++ b/numpy/fft/setup.py @@ -3,7 +3,7 @@ from __future__ import division, print_function def configuration(parent_package='',top_path=None): from numpy.distutils.misc_util import Configuration - config = Configuration('fft',parent_package,top_path) + config = Configuration('fft', parent_package, top_path) config.add_data_dir('tests') diff --git a/numpy/fft/tests/test_helper.py b/numpy/fft/tests/test_helper.py index f30d9fff6..7eaa99fdb 100644 --- a/numpy/fft/tests/test_helper.py +++ b/numpy/fft/tests/test_helper.py @@ -25,7 +25,7 @@ class TestFFTShift(TestCase): assert_array_almost_equal(fft.ifftshift(y), x) def test_inverse(self): - for n in [1,4,9,100,211]: + for n in [1, 4, 9, 100, 211]: x = np.random.random((n,)) assert_array_almost_equal(fft.ifftshift(fft.fftshift(x)), x) |