def test01b(self):
"""Testing zeros() constructor, with a `dtype`."""
a = np.zeros(self.N, dtype='i4')
ac = ca.zeros(self.N, dtype='i4')
#print "dtypes-->", a.dtype, ac.dtype
self.assert_(a.dtype == ac.dtype)
self.assert_(np.all(a == ac))
def test01c(self):
"""Testing zeros() constructor, with a string type."""
a = np.zeros(self.N, dtype='S5')
ac = ca.zeros(self.N, dtype='S5')
#print "ac-->", `ac`
self.assert_(a.dtype == ac.dtype)
self.assert_(np.all(a == ac))
def test01c(self):
"""Testing zeros() constructor, with a string type."""
a = np.zeros(self.N, dtype='S5')
ac = ca.zeros(self.N, dtype='S5')
#print "ac-->", `ac`
self.assert_(a.dtype == ac.dtype)
self.assert_(np.all(a == ac))
def test01b(self):
"""Testing zeros() constructor, with a `dtype`."""
a = np.zeros(self.N, dtype='i4')
ac = ca.zeros(self.N, dtype='i4')
#print "dtypes-->", a.dtype, ac.dtype
self.assert_(a.dtype == ac.dtype)
self.assert_(np.all(a == ac))
def test01c(self):
"""Testing `zeros` constructor (III)"""
a = np.zeros((2,2), dtype='(4,)i4')
b = ca.zeros((2,2), dtype='(4,)i4', rootdir=self.rootdir)
if self.open:
b = ca.open(rootdir=self.rootdir)
#print "b->", `b`
assert_array_equal(a, b, "Arrays are not equal")
def getobject(self):
if self.flavor == 'carray':
obj = ca.zeros(10, dtype="i1", rootdir=self.rootdir)
assert type(obj) == ca.carray
elif self.flavor == 'ctable':
obj = ca.fromiter(((i,i*2) for i in range(10)), dtype='i2,f4',
count=10, rootdir=self.rootdir)
assert type(obj) == ca.ctable
return obj
def test00a(self):
"""Testing wheretrue() in combination with a list constructor"""
a = ca.zeros(self.N, dtype="bool")
a[30:40] = ca.ones(10, dtype="bool")
alist = list(a)
blist1 = [r for r in a.wheretrue()]
self.assert_(blist1 == range(30,40))
alist2 = list(a)
self.assert_(alist == alist2, "wheretrue() not working correctly")
def test00(self):
"""Testing wheretrue() in combination with a list constructor"""
a = ca.zeros(self.N, dtype="bool")
a[30:40] = ca.ones(10, dtype="bool")
alist = list(a)
blist1 = [r for r in a.wheretrue()]
self.assert_(blist1 == range(30, 40))
alist2 = list(a)
self.assert_(alist == alist2, "wheretrue() not working correctly")
def test01a(self):
"""Testing where() in combination with a list constructor"""
a = ca.zeros(self.N, dtype="bool")
a[30:40] = ca.ones(10, dtype="bool")
b = ca.arange(self.N, dtype="f4")
blist = list(b)
blist1 = [r for r in b.where(a)]
self.assert_(blist1 == range(30,40))
blist2 = list(b)
self.assert_(blist == blist2, "where() not working correctly")
def test01(self):
"""Testing where() in combination with a list constructor"""
a = ca.zeros(self.N, dtype="bool")
a[30:40] = ca.ones(10, dtype="bool")
b = ca.arange(self.N, dtype="f4")
blist = list(b)
blist1 = [r for r in b.where(a)]
self.assert_(blist1 == range(30, 40))
blist2 = list(b)
self.assert_(blist == blist2, "where() not working correctly")
def test00(self):
"""Creating and working with an extremely large carray (> 2**32)."""
cn = ca.zeros(5e9, dtype="i1")
self.assert_(len(cn) == int(5e9))
# Now check some accesses
cn[1] = 1
self.assert_(cn[1] == 1)
cn[int(2e9)] = 2
self.assert_(cn[int(2e9)] == 2)
cn[long(3e9)] = 3
self.assert_(cn[long(3e9)] == 3)
cn[-1] = 4
self.assert_(cn[-1] == 4)
self.assert_(cn.sum() == 10)
def test00(self):
"""Creating and working with an extremely large carray (> 2**32)."""
cn = ca.zeros(5e9, dtype="i1")
self.assert_(len(cn) == int(5e9))
# Now check some accesses
cn[1] = 1
self.assert_(cn[1] == 1)
cn[int(2e9)] = 2
self.assert_(cn[int(2e9)] == 2)
cn[long(3e9)] = 3
self.assert_(cn[long(3e9)] == 3)
cn[-1] = 4
self.assert_(cn[-1] == 4)
self.assert_(cn.sum() == 10)
import numpy as np import carray as ca from time import time N = 1e8 dtype = 'i4' t0 = time() a = np.zeros(N, dtype=dtype) print "Time numpy.zeros() --> %.4f" % (time()-t0) t0 = time() ac = ca.zeros(N, dtype=dtype) #ac = ca.carray(a) print "Time carray.zeros() --> %.4f" % (time()-t0) print "ac-->", `ac` #assert(np.all(a == ac))
import numpy as np import carray as ca from time import time N = 1e8 dtype = 'i4' t0 = time() a = np.zeros(N, dtype=dtype) print "Time numpy.zeros() --> %.4f" % (time() - t0) t0 = time() ac = ca.zeros(N, dtype=dtype) #ac = ca.carray(a) print "Time carray.zeros() --> %.4f" % (time() - t0) print "ac-->", ` ac ` #assert(np.all(a == ac))
def test01a(self):
"""Testing zeros() constructor."""
a = np.zeros(self.N)
ac = ca.zeros(self.N)
self.assert_(a.dtype == ac.dtype)
self.assert_(np.all(a == ac))
def test01b(self):
"""Testing where() with a multidimensional array"""
a = ca.zeros((self.N, 10), dtype="bool")
a[30:40] = ca.ones(10, dtype="bool")
b = ca.arange(self.N*10, dtype="f4").reshape((self.N, 10))
self.assertRaises(NotImplementedError, b.where, a)
def test00b(self):
"""Testing wheretrue() with a multidimensional array"""
a = ca.zeros((self.N, 10), dtype="bool")
a[30:40] = ca.ones(10, dtype="bool")
self.assertRaises(NotImplementedError, a.wheretrue)
def test01c(self):
"""Testing `zeros` constructor (III)"""
a = np.zeros((2, 2), dtype='(4,)i4')
b = ca.zeros((2, 2), dtype='(4,)i4')
#print "b->", `b`
assert_array_equal(a, b, "Arrays are not equal")
def test01c(self):
"""Testing `zeros` constructor (III)"""
a = np.zeros((2, 2), dtype="(4,)i4")
b = ca.zeros((2, 2), dtype="(4,)i4")
# print "b->", `b`
assert_array_equal(a, b, "Arrays are not equal")
def test02(self):
"""Testing sum() with strings (TypeError)."""
ac = ca.zeros(10, 'S3')
self.assertRaises(TypeError, ac.sum)
def test01a(self):
"""Testing zeros() constructor."""
a = np.zeros(self.N)
ac = ca.zeros(self.N)
self.assert_(a.dtype == ac.dtype)
self.assert_(np.all(a == ac))
## Benchmark to check the creation of an array of length > 2**32 (5e9) import carray as ca from time import time t0 = time() #cn = ca.zeros(5e9, dtype="i1") cn = ca.zeros(5e9, dtype="i1", rootdir='large_carray-bench', mode='w') print "Creation time:", round(time() - t0, 3) assert len(cn) == int(5e9) t0 = time() cn = ca.carray(rootdir='large_carray-bench', mode='a') print "Re-open time:", round(time() - t0, 3) print "len(cn)", len(cn) assert len(cn) == int(5e9) # Now check some accesses cn[1] = 1 assert cn[1] == 1 cn[int(2e9)] = 2 assert cn[int(2e9)] == 2 cn[long(3e9)] = 3 assert cn[long(3e9)] == 3 cn[-1] = 4 assert cn[-1] == 4 t0 = time() assert cn.sum() == 10 print "Sum time:", round(time() - t0, 3)
def test02(self):
"""Testing sum() with strings (TypeError)."""
ac = ca.zeros(10, 'S3')
self.assertRaises(TypeError, ac.sum)