def test_operators(self):
from operator import truediv
from _numpypy import float64, int_, True_, False_
assert 5 / int_(2) == int_(2)
assert truediv(int_(3), int_(2)) == float64(1.5)
assert truediv(3, int_(2)) == float64(1.5)
assert int_(8) % int_(3) == int_(2)
assert 8 % int_(3) == int_(2)
assert divmod(int_(8), int_(3)) == (int_(2), int_(2))
assert divmod(8, int_(3)) == (int_(2), int_(2))
assert 2**int_(3) == int_(8)
assert int_(3) << int_(2) == int_(12)
assert 3 << int_(2) == int_(12)
assert int_(8) >> int_(2) == int_(2)
assert 8 >> int_(2) == int_(2)
assert int_(3) & int_(1) == int_(1)
assert 2 & int_(3) == int_(2)
assert int_(2) | int_(1) == int_(3)
assert 2 | int_(1) == int_(3)
assert int_(3) ^ int_(5) == int_(6)
assert True_ ^ False_ is True_
assert 5 ^ int_(3) == int_(6)
assert +int_(3) == int_(3)
assert ~int_(3) == int_(-4)
raises(TypeError, lambda: float64(3) & 1)
def test_operators(self):
from operator import truediv
from _numpypy import float64, int_, True_, False_
assert 5 / int_(2) == int_(2)
assert truediv(int_(3), int_(2)) == float64(1.5)
assert truediv(3, int_(2)) == float64(1.5)
assert int_(8) % int_(3) == int_(2)
assert 8 % int_(3) == int_(2)
assert divmod(int_(8), int_(3)) == (int_(2), int_(2))
assert divmod(8, int_(3)) == (int_(2), int_(2))
assert 2 ** int_(3) == int_(8)
assert int_(3) << int_(2) == int_(12)
assert 3 << int_(2) == int_(12)
assert int_(8) >> int_(2) == int_(2)
assert 8 >> int_(2) == int_(2)
assert int_(3) & int_(1) == int_(1)
assert 2 & int_(3) == int_(2)
assert int_(2) | int_(1) == int_(3)
assert 2 | int_(1) == int_(3)
assert int_(3) ^ int_(5) == int_(6)
assert True_ ^ False_ is True_
assert 5 ^ int_(3) == int_(6)
assert +int_(3) == int_(3)
assert ~int_(3) == int_(-4)
raises(TypeError, lambda: float64(3) & 1)
def test_float64(self):
import _numpypy as numpy
assert numpy.float64.mro() == [numpy.float64, numpy.floating, numpy.inexact, numpy.number, numpy.generic, float, object]
a = numpy.array([1, 2, 3], numpy.float64)
assert type(a[1]) is numpy.float64
assert numpy.dtype(float).type is numpy.float64
assert "{:3f}".format(numpy.float64(3)) == "3.000000"
assert numpy.float64(2.0) == 2.0
assert numpy.float64('23.4') == numpy.float64(23.4)
raises(ValueError, numpy.float64, '23.2df')
def test_float32(self):
import _numpypy as numpy
assert numpy.float32.mro() == [numpy.float32, numpy.floating, numpy.inexact, numpy.number, numpy.generic, object]
assert numpy.float32(12) == numpy.float64(12)
assert numpy.float32('23.4') == numpy.float32(23.4)
raises(ValueError, numpy.float32, '23.2df')
def test_float64(self):
import _numpypy as numpy
assert numpy.float64.mro() == [
numpy.float64, numpy.floating, numpy.inexact, numpy.number,
numpy.generic, float, object
]
a = numpy.array([1, 2, 3], numpy.float64)
assert type(a[1]) is numpy.float64
assert numpy.dtype(float).type is numpy.float64
assert "{:3f}".format(numpy.float64(3)) == "3.000000"
assert numpy.float64(2.0) == 2.0
assert numpy.float64('23.4') == numpy.float64(23.4)
raises(ValueError, numpy.float64, '23.2df')
def test_float64(self):
import _numpypy as numpy
assert numpy.float64.mro() == [
numpy.float64,
numpy.floating,
numpy.inexact,
numpy.number,
numpy.generic,
float,
object,
]
a = numpy.array([1, 2, 3], numpy.float64)
assert type(a[1]) is numpy.float64
assert numpy.dtype(float).type is numpy.float64
assert numpy.float64(2.0) == 2.0
assert numpy.float64("23.4") == numpy.float64(23.4)
raises(ValueError, numpy.float64, "23.2df")
def test_float32(self):
import _numpypy as numpy
assert numpy.float32.mro() == [
numpy.float32, numpy.floating, numpy.inexact, numpy.number,
numpy.generic, object
]
assert numpy.float32(12) == numpy.float64(12)
assert numpy.float32('23.4') == numpy.float32(23.4)
raises(ValueError, numpy.float32, '23.2df')
def test_isnan_isinf(self):
from _numpypy import isnan, isinf, float64, array
assert isnan(float('nan'))
assert isnan(float64(float('nan')))
assert not isnan(3)
assert isinf(float('inf'))
assert not isnan(3.5)
assert not isinf(3.5)
assert not isnan(float('inf'))
assert not isinf(float('nan'))
assert (isnan(array([0.2, float('inf'), float('nan')])) == [False, False, True]).all()
assert (isinf(array([0.2, float('inf'), float('nan')])) == [False, True, False]).all()
assert isinf(array([0.2])).dtype.kind == 'b'
def test_isnan_isinf(self):
from _numpypy import isnan, isinf, float64, array
assert isnan(float('nan'))
assert isnan(float64(float('nan')))
assert not isnan(3)
assert isinf(float('inf'))
assert not isnan(3.5)
assert not isinf(3.5)
assert not isnan(float('inf'))
assert not isinf(float('nan'))
assert (isnan(array([0.2, float('inf'),
float('nan')])) == [False, False, True]).all()
assert (isinf(array([0.2, float('inf'),
float('nan')])) == [False, True, False]).all()
assert isinf(array([0.2])).dtype.kind == 'b'
def test_dtype_guessing(self):
from _numpypy import array, dtype, float64, int8, bool_
assert array([True]).dtype is dtype(bool)
assert array([True, False]).dtype is dtype(bool)
assert array([True, 1]).dtype is dtype(int)
assert array([1, 2, 3]).dtype is dtype(int)
assert array([1L, 2, 3]).dtype is dtype(long)
assert array([1.2, True]).dtype is dtype(float)
assert array([1.2, 5]).dtype is dtype(float)
assert array([]).dtype is dtype(float)
assert array([float64(2)]).dtype is dtype(float)
assert array([int8(3)]).dtype is dtype("int8")
assert array([bool_(True)]).dtype is dtype(bool)
assert array([bool_(True), 3.0]).dtype is dtype(float)
def test_dtype_guessing(self):
from _numpypy import array, dtype, float64, int8, bool_
assert array([True]).dtype is dtype(bool)
assert array([True, False]).dtype is dtype(bool)
assert array([True, 1]).dtype is dtype(int)
assert array([1, 2, 3]).dtype is dtype(int)
assert array([1L, 2, 3]).dtype is dtype(long)
assert array([1.2, True]).dtype is dtype(float)
assert array([1.2, 5]).dtype is dtype(float)
assert array([]).dtype is dtype(float)
assert array([float64(2)]).dtype is dtype(float)
assert array([int8(3)]).dtype is dtype("int8")
assert array([bool_(True)]).dtype is dtype(bool)
assert array([bool_(True), 3.0]).dtype is dtype(float)
def test_fromstring_types(self):
from _numpypy import (fromstring, int8, int16, int32, int64, uint8,
uint16, uint32, float32, float64)
a = fromstring('\xFF', dtype=int8)
assert a[0] == -1
b = fromstring('\xFF', dtype=uint8)
assert b[0] == 255
c = fromstring('\xFF\xFF', dtype=int16)
assert c[0] == -1
d = fromstring('\xFF\xFF', dtype=uint16)
assert d[0] == 65535
e = fromstring('\xFF\xFF\xFF\xFF', dtype=int32)
assert e[0] == -1
f = fromstring('\xFF\xFF\xFF\xFF', dtype=uint32)
assert repr(f[0]) == '4294967295'
g = fromstring('\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF', dtype=int64)
assert g[0] == -1
h = fromstring(self.float32val, dtype=float32)
assert h[0] == float32(5.2)
i = fromstring(self.float64val, dtype=float64)
assert i[0] == float64(300.4)
j = fromstring(self.ulongval, dtype='L')
assert j[0] == 12
def test_fromstring_types(self):
from _numpypy import (fromstring, int8, int16, int32, int64, uint8,
uint16, uint32, float32, float64)
a = fromstring('\xFF', dtype=int8)
assert a[0] == -1
b = fromstring('\xFF', dtype=uint8)
assert b[0] == 255
c = fromstring('\xFF\xFF', dtype=int16)
assert c[0] == -1
d = fromstring('\xFF\xFF', dtype=uint16)
assert d[0] == 65535
e = fromstring('\xFF\xFF\xFF\xFF', dtype=int32)
assert e[0] == -1
f = fromstring('\xFF\xFF\xFF\xFF', dtype=uint32)
assert repr(f[0]) == '4294967295'
g = fromstring('\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF', dtype=int64)
assert g[0] == -1
h = fromstring(self.float32val, dtype=float32)
assert h[0] == float32(5.2)
i = fromstring(self.float64val, dtype=float64)
assert i[0] == float64(300.4)
j = fromstring(self.ulongval, dtype='L')
assert j[0] == 12
def test_long_as_index(self):
from _numpypy import int_, float64
assert (1, 2, 3)[int_(1)] == 2
raises(TypeError, lambda: (1, 2, 3)[float64(1)])
def test_long_as_index(self):
from _numpypy import int_, float64
assert (1, 2, 3)[int_(1)] == 2
raises(TypeError, lambda: (1, 2, 3)[float64(1)])
