def test02(self):
"""Testing `iterchunks` method with no stop"""
N, blen = int(1e4), 100
a = blz.fromiter(xrange(N), dtype=np.float64, count=N)
l, s = 0, 0
for block in blz.iterblocks(a, blen, blen-1):
l += len(block)
s += block.sum()
self.assert_(l == (N - (blen - 1)))
self.assert_(s == np.arange(blen-1, N).sum())
def test03(self):
"""Testing `iterchunks` method with all parameters set"""
N, blen = int(1e4), 100
a = blz.fromiter(xrange(N), dtype=np.float64, count=N)
l, s = 0, 0
for block in blz.iterblocks(a, blen, blen-1, 3*blen+2):
l += len(block)
s += block.sum()
self.assert_(l == 2*blen + 3)
self.assert_(s == np.arange(blen-1, 3*blen+2).sum())
def test01(self):
"""Testing `iterchunks` method with no start, no stop"""
N, blen = int(1e4), 100
a = blz.fromiter(xrange(N), dtype=np.float64, count=N)
l, s = 0, 0
for block in blz.iterblocks(a, blen):
self.assert_(len(block) == blen)
l += len(block)
s += block.sum()
self.assert_(l == N)
def test00(self):
"""Testing `iterchunks` method with no blen, no start, no stop"""
N = int(1e4)
a = blz.fromiter(xrange(N), dtype=np.float64, count=N)
l, s = 0, 0
for block in blz.iterblocks(a):
l += len(block)
s += block.sum()
self.assert_(l == N)
self.assert_(s == (N - 1) * (N / 2)) # as per Gauss summation formula
def test03(self):
"""Testing `iterchunks` method with all parameters set"""
N, blen = int(1e4), 100
ra = np.fromiter(((i, i * 2.0, i * 3) for i in xrange(N)), dtype="i4,f8,i8")
t = blz.btable(ra)
l, s = 0, 0
for block in blz.iterblocks(t, blen, blen - 1, 3 * blen + 2):
l += len(block)
s += block["f2"].sum()
self.assert_(l == 2 * blen + 3)
self.assert_(s == (np.arange(blen - 1, 3 * blen + 2) * 3).sum())
def test02(self):
"""Testing `iterchunks` method with no stop"""
N, blen = int(1e4), 100
ra = np.fromiter(((i, i * 2.0, i * 3) for i in xrange(N)), dtype="i4,f8,i8")
t = blz.btable(ra)
l, s = 0, 0.0
for block in blz.iterblocks(t, blen, blen - 1):
l += len(block)
s += block["f1"].sum()
self.assert_(l == (N - (blen - 1)))
self.assert_(s == (np.arange(blen - 1, N, dtype="f8") * 2).sum())
def test00(self):
"""Testing `iterchunks` method with no blen, no start, no stop"""
N = int(1e4)
ra = np.fromiter(((i, i * 2.0, i * 3) for i in xrange(N)), dtype="i4,f8,i8")
t = blz.btable(ra)
l, s = 0, 0
for block in blz.iterblocks(t):
l += len(block)
s += block["f0"].sum()
self.assert_(l == N)
self.assert_(s == (N - 1) * (N / 2)) # as per Gauss summation formula