def test_ufunc_cast(self):
from _numpypy import array, negative, add, sum
a = array(16, dtype=int)
c = array(0, dtype=float)
b = negative(a, out=c)
assert b == c
b = add(a, a, out=c)
assert b == c
d = array([16, 16], dtype=int)
b = sum(d, out=c)
assert b == c
try:
from _numpypy import version
v = version.version.split('.')
except:
v = ['1', '6', '0'] # numpypy is api compatable to what version?
if v[0] < '2':
b = negative(c, out=a)
assert b == a
b = add(c, c, out=a)
assert b == a
b = sum(array([16, 16], dtype=float), out=a)
assert b == a
else:
cast_error = raises(TypeError, negative, c, a)
assert str(cast_error.value) == \
"Cannot cast ufunc negative output from dtype('float64') to dtype('int64') with casting rule 'same_kind'"
def test_ufunc_cast(self):
from _numpypy import array, negative, add, sum
a = array(16, dtype = int)
c = array(0, dtype = float)
b = negative(a, out=c)
assert b == c
b = add(a, a, out=c)
assert b == c
d = array([16, 16], dtype=int)
b = sum(d, out=c)
assert b == c
try:
from _numpypy import version
v = version.version.split('.')
except:
v = ['1', '6', '0'] # numpypy is api compatable to what version?
if v[0]<'2':
b = negative(c, out=a)
assert b == a
b = add(c, c, out=a)
assert b == a
b = sum(array([16, 16], dtype=float), out=a)
assert b == a
else:
cast_error = raises(TypeError, negative, c, a)
assert str(cast_error.value) == \
"Cannot cast ufunc negative output from dtype('float64') to dtype('int64') with casting rule 'same_kind'"
def test_applevel(self):
from _numpypy import array, sum, max, min
a = array([[1, 2], [3, 4]])
out = array([[0, 0], [0, 0]])
c = sum(a, axis=0, out=out[0])
assert (c == [4, 6]).all()
assert (c == out[0]).all()
assert (c != out[1]).all()
c = max(a, axis=1, out=out[0])
assert (c == [2, 4]).all()
assert (c == out[0]).all()
assert (c != out[1]).all()
def test_applevel(self):
from _numpypy import array, sum, max, min
a = array([[1, 2], [3, 4]])
out = array([[0, 0], [0, 0]])
c = sum(a, axis=0, out=out[0])
assert (c == [4, 6]).all()
assert (c == out[0]).all()
assert (c != out[1]).all()
c = max(a, axis=1, out=out[0])
assert (c == [2, 4]).all()
assert (c == out[0]).all()
assert (c != out[1]).all()
def test_sum(self):
from _numpypy import array, sum
assert sum(range(10)) == 45
assert sum(array(range(10))) == 45
def test_sum(self):
from _numpypy import array, sum
assert sum(range(10)) == 45
assert sum(array(range(10))) == 45