cpython/Lib/test/test_cmath.py

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#! /usr/bin/env python
""" Simple test script for cmathmodule.c
1996-12-20 18:39:24 -04:00
Roger E. Masse
"""
import cmath, math
from test.test_support import verbose, verify, TestFailed
verify(abs(cmath.log(10) - math.log(10)) < 1e-9)
verify(abs(cmath.log(10,2) - math.log(10,2)) < 1e-9)
try:
cmath.log('a')
except TypeError:
pass
else:
raise TestFailed
try:
cmath.log(10, 'a')
except TypeError:
pass
else:
raise TestFailed
testdict = {'acos' : 1.0,
'acosh' : 1.0,
'asin' : 1.0,
'asinh' : 1.0,
'atan' : 0.2,
'atanh' : 0.2,
'cos' : 1.0,
'cosh' : 1.0,
'exp' : 1.0,
'log' : 1.0,
'log10' : 1.0,
'sin' : 1.0,
'sinh' : 1.0,
'sqrt' : 1.0,
'tan' : 1.0,
'tanh' : 1.0}
for func in testdict.keys():
f = getattr(cmath, func)
r = f(testdict[func])
if verbose:
print('Calling %s(%f) = %f' % (func, testdict[func], abs(r)))
p = cmath.pi
e = cmath.e
if verbose:
print('PI = ', abs(p))
print('E = ', abs(e))