1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
from __future__ import division, print_function, absolute_import
import numpy as np
from numpy.testing import assert_array_almost_equal, assert_
from scipy.sparse import csr_matrix, csc_matrix
def test_csc_getrow():
N = 10
np.random.seed(0)
X = np.random.random((N, N))
X[X > 0.7] = 0
Xcsc = csc_matrix(X)
for i in range(N):
arr_row = X[i:i + 1, :]
csc_row = Xcsc.getrow(i)
assert_array_almost_equal(arr_row, csc_row.toarray())
assert_(type(csc_row) is csr_matrix)
def test_csc_getcol():
N = 10
np.random.seed(0)
X = np.random.random((N, N))
X[X > 0.7] = 0
Xcsc = csc_matrix(X)
for i in range(N):
arr_col = X[:, i:i + 1]
csc_col = Xcsc.getcol(i)
assert_array_almost_equal(arr_col, csc_col.toarray())
assert_(type(csc_col) is csc_matrix)
|
