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_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_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_fromstring(self):
import sys
from _numpypy import fromstring, array, uint8, float32, int32
a = fromstring(self.data)
for i in range(4):
assert a[i] == i + 1
b = fromstring('\x01\x02', dtype=uint8)
assert a[0] == 1
assert a[1] == 2
c = fromstring(self.fdata, dtype=float32)
assert c[0] == float32(2.3)
d = fromstring("1 2", sep=' ', count=2, dtype=uint8)
assert len(d) == 2
assert d[0] == 1
assert d[1] == 2
e = fromstring('3, 4,5', dtype=uint8, sep=',')
assert len(e) == 3
assert e[0] == 3
assert e[1] == 4
assert e[2] == 5
f = fromstring('\x01\x02\x03\x04\x05', dtype=uint8, count=3)
assert len(f) == 3
assert f[0] == 1
assert f[1] == 2
assert f[2] == 3
g = fromstring("1 2 3 ", dtype=uint8, sep=" ")
assert len(g) == 3
assert g[0] == 1
assert g[1] == 2
assert g[2] == 3
h = fromstring("1, , 2, 3", dtype=uint8, sep=",")
assert (h == [1, 0, 2, 3]).all()
i = fromstring("1 2 3", dtype=uint8, sep=" ")
assert (i == [1, 2, 3]).all()
j = fromstring("1\t\t\t\t2\t3", dtype=uint8, sep="\t")
assert (j == [1, 2, 3]).all()
k = fromstring("1,x,2,3", dtype=uint8, sep=",")
assert (k == [1, 0]).all()
l = fromstring("1,x,2,3", dtype='float32', sep=",")
assert (l == [1.0, -1.0]).all()
m = fromstring("1,,2,3", sep=",")
assert (m == [1.0, -1.0, 2.0, 3.0]).all()
n = fromstring("3.4 2.0 3.8 2.2", dtype=int32, sep=" ")
assert (n == [3]).all()
o = fromstring("1.0 2f.0f 3.8 2.2", dtype=float32, sep=" ")
assert len(o) == 2
assert o[0] == 1.0
assert o[1] == 2.0
p = fromstring("1.0,,2.0,3.0", sep=",")
assert (p == [1.0, -1.0, 2.0, 3.0]).all()
q = fromstring("1.0,,2.0,3.0", sep=" ")
assert (q == [1.0]).all()
r = fromstring("\x01\x00\x02", dtype='bool')
assert (r == [True, False, True]).all()
s = fromstring("1,2,3,,5", dtype=bool, sep=",")
assert (s == [True, True, True, False, True]).all()
t = fromstring("", bool)
assert (t == []).all()
u = fromstring("\x01\x00\x00\x00\x00\x00\x00\x00", dtype=int)
if sys.maxint > 2 ** 31 - 1:
assert (u == [1]).all()
else:
assert (u == [1, 0]).all()
def test_fromstring(self):
import sys
from _numpypy import fromstring, array, uint8, float32, int32
a = fromstring(self.data)
for i in range(4):
assert a[i] == i + 1
b = fromstring('\x01\x02', dtype=uint8)
assert a[0] == 1
assert a[1] == 2
c = fromstring(self.fdata, dtype=float32)
assert c[0] == float32(2.3)
d = fromstring("1 2", sep=' ', count=2, dtype=uint8)
assert len(d) == 2
assert d[0] == 1
assert d[1] == 2
e = fromstring('3, 4,5', dtype=uint8, sep=',')
assert len(e) == 3
assert e[0] == 3
assert e[1] == 4
assert e[2] == 5
f = fromstring('\x01\x02\x03\x04\x05', dtype=uint8, count=3)
assert len(f) == 3
assert f[0] == 1
assert f[1] == 2
assert f[2] == 3
g = fromstring("1 2 3 ", dtype=uint8, sep=" ")
assert len(g) == 3
assert g[0] == 1
assert g[1] == 2
assert g[2] == 3
h = fromstring("1, , 2, 3", dtype=uint8, sep=",")
assert (h == [1, 0, 2, 3]).all()
i = fromstring("1 2 3", dtype=uint8, sep=" ")
assert (i == [1, 2, 3]).all()
j = fromstring("1\t\t\t\t2\t3", dtype=uint8, sep="\t")
assert (j == [1, 2, 3]).all()
k = fromstring("1,x,2,3", dtype=uint8, sep=",")
assert (k == [1, 0]).all()
l = fromstring("1,x,2,3", dtype='float32', sep=",")
assert (l == [1.0, -1.0]).all()
m = fromstring("1,,2,3", sep=",")
assert (m == [1.0, -1.0, 2.0, 3.0]).all()
n = fromstring("3.4 2.0 3.8 2.2", dtype=int32, sep=" ")
assert (n == [3]).all()
o = fromstring("1.0 2f.0f 3.8 2.2", dtype=float32, sep=" ")
assert len(o) == 2
assert o[0] == 1.0
assert o[1] == 2.0
p = fromstring("1.0,,2.0,3.0", sep=",")
assert (p == [1.0, -1.0, 2.0, 3.0]).all()
q = fromstring("1.0,,2.0,3.0", sep=" ")
assert (q == [1.0]).all()
r = fromstring("\x01\x00\x02", dtype='bool')
assert (r == [True, False, True]).all()
s = fromstring("1,2,3,,5", dtype=bool, sep=",")
assert (s == [True, True, True, False, True]).all()
t = fromstring("", bool)
assert (t == []).all()
u = fromstring("\x01\x00\x00\x00\x00\x00\x00\x00", dtype=int)
if sys.maxint > 2**31 - 1:
assert (u == [1]).all()
else:
assert (u == [1, 0]).all()
