[Scipy-svn] r5450 - trunk/scipy/fftpack/tests
scipy-svn at scipy.org
scipy-svn at scipy.org
Mon Jan 12 21:01:29 EST 2009
Author: cdavid
Date: 2009-01-12 20:01:23 -0600 (Mon, 12 Jan 2009)
New Revision: 5450
Modified:
trunk/scipy/fftpack/tests/test_real_transforms.py
Log:
Trailing spaces.
Modified: trunk/scipy/fftpack/tests/test_real_transforms.py
===================================================================
--- trunk/scipy/fftpack/tests/test_real_transforms.py 2009-01-13 02:01:03 UTC (rev 5449)
+++ trunk/scipy/fftpack/tests/test_real_transforms.py 2009-01-13 02:01:23 UTC (rev 5450)
@@ -7,7 +7,7 @@
from scipy.io import loadmat
-TDATA = loadmat(join(dirname(__file__), 'test.mat'),
+TDATA = loadmat(join(dirname(__file__), 'test.mat'),
squeeze_me=True, struct_as_record=True, mat_dtype=True)
X = [TDATA['x%d' % i] for i in range(8)]
Y = [TDATA['y%d' % i] for i in range(8)]
@@ -17,12 +17,12 @@
The DCT type II is defined as (matlab=False):
- \forall u \in 0...N-1,
+ \forall u \in 0...N-1,
dct(u) = 2 * sum_{i=0}^{N-1}{f(i)cos((i + 0.5)\pi u/N}
Or (matlab=True)
- \forall u \in 0...N-1,
+ \forall u \in 0...N-1,
dct(u) = a(u) sum_{i=0}^{N-1}{f(i)cos((i + 0.5)\pi u/N}
Where a(0) = sqrt(1/N), a(u) = sqrt(2/N) for u > 0
@@ -44,7 +44,7 @@
def direct_dct(x):
"""Direct implementation (O(n^2)) of dct II.
-
+
dct(u) = 2 * sum_{i=0}^{N-1}{f(i)cos((i + 0.5)\pi u/N}
Note that it is not 'normalized'
@@ -61,12 +61,12 @@
"""Compute a 'Fast' Discrete Cosine Transform, type II, using a N point fft
instead of a direct 4n point DFT
- \forall u \in 0...N-1,
+ \forall u \in 0...N-1,
dct(u) = sum_{i=0}^{N-1}{f(i)cos((i + 0.5)\pi u/N}
See 'A Fast Cosine Transform in One and Two Dimensions', by J. Makhoul, in
IEEE Transactions on acoustics, speech and signal processing.
-
+
Note that it is not 'normalized'
"""
x = np.asarray(x)
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