forked from qutip/qutip
-
Notifications
You must be signed in to change notification settings - Fork 1
/
test_rand.py
78 lines (65 loc) · 2.9 KB
/
test_rand.py
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
# This file is part of QuTiP: Quantum Toolbox in Python.
#
# Copyright (c) 2011 and later, Paul D. Nation and Robert J. Johansson.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the QuTiP: Quantum Toolbox in Python nor the names
# of its contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
###############################################################################
from numpy.testing import assert_, assert_equal, run_module_suite
from qutip import rand_unitary, qeye, rand_herm, rand_dm, rand_ket
from qutip.sparse import sp_eigs
class TestRand:
"""
A test class for the built-in random quantum object generators.
"""
def testRandUnitary(self):
"random Unitary"
U = [rand_unitary(5) for k in range(5)]
for u in U:
assert_(u * u.dag() == qeye(5))
def testRandherm(self):
"random hermitian"
H = [rand_herm(5) for k in range(5)]
for h in H:
assert_equal(h.isherm, True)
def testRanddm(self):
"random density matrix"
R = [rand_dm(5) for k in range(5)]
for r in R:
assert_(r.tr() - 1.0 < 1e-15)
# verify all eigvals are >=0
assert_(not any(sp_eigs(r.data, r.isherm, vecs=False)) < 0)
# verify hermitian
assert_(r.isherm)
def testRandket(self):
"random ket"
P = [rand_ket(5) for k in range(5)]
for p in P:
assert_equal(p.type == 'ket', True)
if __name__ == "__main__":
run_module_suite()