def test_basic(self):
     dts = list(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')
Exemple #2
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 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')
Exemple #3
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 def test_basic(self):
     dts = list(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:
         for attr in ('bits', 'min', 'max'):
             assert_equal(getattr(iinfo(dt1), attr),
                          getattr(iinfo(dt2), attr), attr)
     assert_raises(ValueError, iinfo, 'f4')
 def test_basic(self):
     dts = list(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:
         for attr in ('bits', 'min', 'max'):
             assert_equal(getattr(iinfo(dt1), attr),
                          getattr(iinfo(dt2), attr), attr)
     self.assertRaises(ValueError, iinfo, 'f4')
Exemple #5
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 def test_basic(self):
     dts = list(
         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:
         for attr in ("bits", "min", "max"):
             assert_equal(getattr(iinfo(dt1), attr),
                          getattr(iinfo(dt2), attr), attr)
     assert_raises(ValueError, iinfo, "f4")
Exemple #6
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    'tri',
    'triu',
    'tril',
    'vander',
    'histogram2d',
    'mask_indices',
    'tril_indices',
    'tril_indices_from',
    'triu_indices',
    'triu_indices_from',
]

array_function_dispatch = functools.partial(overrides.array_function_dispatch,
                                            module='numpy')

i1 = iinfo(int8)
i2 = iinfo(int16)
i4 = iinfo(int32)


def _min_int(low, high):
    """ get small int that fits the range """
    if high <= i1.max and low >= i1.min:
        return int8
    if high <= i2.max and low >= i2.min:
        return int16
    if high <= i4.max and low >= i4.min:
        return int32
    return int64

Exemple #7
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def test_instances():
    iinfo(10)
    finfo(3.0)
Exemple #8
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 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)
 def test_unsigned_max(self):
     types = np.sctypes['uint']
     for T in types:
         assert_equal(iinfo(T).max, T(-1))
Exemple #11
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    ones,
    asarray,
    where,
    dtype as np_dtype,
    less,
    int8,
    int16,
    int32,
    int64,
    empty,
    promote_types,
)
from numpy.core import iinfo


i1 = iinfo(int8)
i2 = iinfo(int16)
i4 = iinfo(int32)


def _min_int(low, high):
    """ get small int that fits the range """
    if high <= i1.max and low >= i1.min:
        return int8
    if high <= i2.max and low >= i2.min:
        return int16
    if high <= i4.max and low >= i4.min:
        return int32
    return int64