Viewing file:  test_getlimits.py (1.59 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
""" Test functions for limits module.
"""
from numpy.testing import *
import numpy.lib
reload(numpy.lib)
from numpy.core import finfo, iinfo
from numpy import single,double,longdouble
import numpy as np
##################################################
class TestPythonFloat(TestCase):
def test_singleton(self):
ftype = finfo(float)
ftype2 = finfo(float)
assert_equal(id(ftype),id(ftype2))
class TestSingle(TestCase):
def test_singleton(self):
ftype = finfo(single)
ftype2 = finfo(single)
assert_equal(id(ftype),id(ftype2))
class TestDouble(TestCase):
def test_singleton(self):
ftype = finfo(double)
ftype2 = finfo(double)
assert_equal(id(ftype),id(ftype2))
class TestLongdouble(TestCase):
def test_singleton(self,level=2):
ftype = finfo(longdouble)
ftype2 = finfo(longdouble)
assert_equal(id(ftype),id(ftype2))
class TestIinfo(TestCase):
def test_basic(self):
dts = zip(['i1', 'i2', 'i4', 'i8',
'u1', 'u2', 'u4', 'u8'],
[np.int8, np.int16, np.int32, np.int64,
np.uint8, np.uint16, np.uint32, np.uint64])
for dt1, dt2 in dts:
assert_equal(iinfo(dt1).min, iinfo(dt2).min)
assert_equal(iinfo(dt1).max, iinfo(dt2).max)
self.assertRaises(ValueError, iinfo, 'f4')
def test_unsigned_max(self):
types = np.sctypes['uint']
for T in types:
assert_equal(iinfo(T).max, T(-1))
def test_instances():
iinfo(10)
finfo(3.0)
if __name__ == "__main__":
run_module_suite()
|