def test_max_float_on_a_boundary(width, log10_max, overflow_bin):
max_ = 10**log10_max # max_ on a boundary (within rounding of float)
obj = RoundLog(width, 10.0, max=max_, overflow_bin=overflow_bin)
log10_boundaries = obj._round.boundaries
if overflow_bin is True:
overflow_bin = 10**log10_boundaries[-1]
assert 10.0 == obj(10.0)
# this is always true because it is the given boundary.
# If the max is exactly a boundary, the max is the upper edge of
# the last bin and bin(max) is overflow because the upper edge is
# open. Otherwise, bin(max) is in the last bin.
if log10_max == log10_boundaries[-1]:
assert obj(max_) == overflow_bin
else:
assert 10**log10_boundaries[-2] == obj(max_)
# The max is either the upper or lower edge of the last bin, but
# not necessarily exact.
if not log10_max == pytest.approx(log10_boundaries[-1]):
assert log10_max == pytest.approx(log10_boundaries[-2])
# the next to the last bin is the overflow bin
assert obj.next(10**log10_boundaries[-2]) == overflow_bin
# the next to the overflow bin is the overflow bin
assert obj.next(overflow_bin) == overflow_bin
def test_max_float_on_a_boundary(width, log10_max, overflow_bin):
max_ = 10**log10_max # max_ on a boundary (within rounding of float)
obj = RoundLog(width, 10.0, max=max_, overflow_bin=overflow_bin)
log10_boundaries = obj._round.boundaries
if overflow_bin is True:
overflow_bin = 10**log10_boundaries[-1]
assert 10.0 == obj(10.0)
# this is always true because it is the given boundary.
# If the max is exactly a boundary, the max is the upper edge of
# the last bin and bin(max) is overflow because the upper edge is
# open. Otherwise, bin(max) is in the last bin.
if log10_max == log10_boundaries[-1]:
assert obj(max_) == overflow_bin
else:
assert 10**log10_boundaries[-2] == obj(max_)
# The max is either the upper or lower edge of the last bin, but
# not necessarily exact.
if not log10_max == pytest.approx(log10_boundaries[-1]):
assert log10_max == pytest.approx(log10_boundaries[-2])
# the next to the last bin is the overflow bin
assert obj.next(10**log10_boundaries[-2]) == overflow_bin
# the next to the overflow bin is the overflow bin
assert obj.next(overflow_bin) == overflow_bin
def test_inf(max_, overflow_bin):
obj = RoundLog(0.1, 10.0, max=max_, overflow_bin=overflow_bin)
log10_boundaries = obj._round.boundaries
if overflow_bin is True:
overflow_bin = 10**log10_boundaries[-1]
if max_ is None:
assert obj(float('inf')) is None
assert obj(float('-inf')) is None
assert obj.next(float('inf')) is None
assert obj.next(float('-inf')) is None
else:
assert obj(float('inf')) == overflow_bin
assert obj(float('-inf')) is None
def test_inf(max_, overflow_bin):
obj = RoundLog(0.1, 10.0, max=max_, overflow_bin=overflow_bin)
log10_boundaries = obj._round.boundaries
if overflow_bin is True:
overflow_bin = 10**log10_boundaries[-1]
if max_ is None:
assert obj(float('inf')) is None
assert obj(float('-inf')) is None
assert obj.next(float('inf')) is None
assert obj.next(float('-inf')) is None
else:
assert obj(float('inf')) == overflow_bin
assert obj(float('-inf')) is None
def test_zero(min_, underflow_bin):
obj = RoundLog(0.1, 100, min_, underflow_bin)
if min_ is None:
assert 0 == obj(0)
assert 0 == obj(-0)
assert 0 == obj(0.0)
assert 0 == obj(-0.0)
else:
assert obj(0) is underflow_bin
assert obj(-0) is underflow_bin
assert obj(0.0) is underflow_bin
assert obj(-0.0) is underflow_bin
if min_ is None:
assert 0 == obj.next(0) # next to 0 is 0 unless 0 is the
# underflow bin
else:
if underflow_bin is None:
assert obj.next(underflow_bin) is None
else:
assert obj(min_) == obj.next(underflow_bin)
def test_zero(min_, underflow_bin):
obj = RoundLog(0.1, 100, min_, underflow_bin)
if min_ is None:
assert 0 == obj(0)
assert 0 == obj(-0)
assert 0 == obj(0.0)
assert 0 == obj(-0.0)
else:
assert obj(0) is underflow_bin
assert obj(-0) is underflow_bin
assert obj(0.0) is underflow_bin
assert obj(-0.0) is underflow_bin
if min_ is None:
assert 0 == obj.next(0) # next to 0 is 0 unless 0 is the
# underflow bin
else:
if underflow_bin is None:
assert obj.next(underflow_bin) is None
else:
assert obj(min_) == obj.next(underflow_bin)
def test_min_on_a_boundary(width, underflow_bin):
# this test is related to
# the issue 43
# https://github.com/alphatwirl/alphatwirl/issues/43
min_ = 10 # on a boundary
obj = RoundLog(width, 100, min=min_, underflow_bin=underflow_bin)
# boundaries (on a computer)
# when width = 0.1:
# [10.00, 12.59, 15.85, 19.95, 25.12, 31.62,
# 39.81, 50.12, 63.10, 79.43, 100.00]
# 10.00 is actually 9.999999999999982, so is the first bin
#
# when width = 0.2:
# [6.31, 10.00, 15.85, 25.12, 39.81, 63.10, 100.00']
# 10.00 here actually is 10.000000000000005, so is the 2nd bin
assert 100 == obj(100)
# 100 is exact because it is the given boundary
# min_=10 is a boundary, but not necessarily exact.
if min_ == pytest.approx(obj(min_)):
# when width = 0.1 (in the above example)
assert obj(11) == obj(min_)
assert obj(9) is underflow_bin
else:
# when width = 0.2 (in the above example)
assert obj(9) is not underflow_bin
assert obj(9) == obj(min_)
assert obj(6.3) is underflow_bin
if underflow_bin is None:
assert obj.next(underflow_bin) is None
else:
assert obj(min_) == obj.next(underflow_bin)
def test_min_on_a_boundary(width, underflow_bin):
# this test is related to
# the issue 43
# https://github.com/alphatwirl/alphatwirl/issues/43
min_ = 10 # on a boundary
obj = RoundLog(width, 100, min=min_, underflow_bin=underflow_bin)
# boundaries (on a computer)
# when width = 0.1:
# [10.00, 12.59, 15.85, 19.95, 25.12, 31.62,
# 39.81, 50.12, 63.10, 79.43, 100.00]
# 10.00 is actually 9.999999999999982, so is the first bin
#
# when width = 0.2:
# [6.31, 10.00, 15.85, 25.12, 39.81, 63.10, 100.00']
# 10.00 here actually is 10.000000000000005, so is the 2nd bin
assert 100 == obj(100)
# 100 is exact because it is the given boundary
# min_=10 is a boundary, but not necessarily exact.
if min_ == pytest.approx(obj(min_)):
# when width = 0.1 (in the above example)
assert obj(11) == obj(min_)
assert obj(9) is underflow_bin
else:
# when width = 0.2 (in the above example)
assert obj(9) is not underflow_bin
assert obj(9) == obj(min_)
assert obj(6.3) is underflow_bin
if underflow_bin is None:
assert obj.next(underflow_bin) is None
else:
assert obj(min_) == obj.next(underflow_bin)
def test_next():
obj = RoundLog()
assert 2.51188643150958 == pytest.approx(obj.next(2.23872113856834))
assert 25.11886431509581 == pytest.approx(obj.next(22.3872113856834))
assert 251.18864315095848 == pytest.approx(obj.next(223.872113856834))
def test_next():
obj = RoundLog()
assert 2.51188643150958 == pytest.approx(obj.next(2.23872113856834))
assert 25.11886431509581 == pytest.approx(obj.next(22.3872113856834))
assert 251.18864315095848 == pytest.approx(obj.next(223.872113856834))