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
79
|
#!/usr/bin/env python
######################################################################
# Software License Agreement (BSD License)
#
# Copyright (c) 2010, Rice University
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of the Rice University 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 OWNER 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.
######################################################################
# Author: Mark Moll
import sys
from os.path import abspath, dirname, join
sys.path.insert(0, join(dirname(dirname(dirname(abspath(__file__)))),'py-bindings') )
import unittest
from ompl.util import *
class TestRNG(unittest.TestCase):
def testDifferentSeeds(self):
r = [ RNG() for i in range(4) ]
same = 0
eq = 0
N = 100
for i in range(N):
v = [ r[j].uniformInt(0,100) for j in range(4) ]
if v[0]==v[1] and v[1]==v[2] and v[2]==v[3] and v[3]==v[4]:
eq=eq+1
for j in range(4):
if v[j]==r[j].uniformInt(0,100):
same=same+1
self.assertFalse(eq > N/2)
self.assertTrue(same<2*N)
def testValidRangeInts(self):
r=RNG()
N=100
V=10000*N
c=[0 for i in range(N+1)]
for i in range(V):
v = r.uniformInt(0, N)
self.assertTrue(v>=0)
self.assertTrue(v<=N)
c[v]=c[v]+1
for j in c:
self.assertTrue(j>float(V)/float(N)/3.)
def suite():
suites = (unittest.makeSuite(TestRNG,'test'))
return unittest.TestSuite(suites)
if __name__ == '__main__':
unittest.main()
|
