def test_minor_breaks():
# equidistant breaks
major = [1, 2, 3, 4]
limits = [0, 5]
breaks = minor_breaks()(major, limits)
npt.assert_array_equal(breaks, [.5, 1.5, 2.5, 3.5, 4.5])
minor = minor_breaks(3)(major, [2, 3])
npt.assert_array_equal(minor, [2.25, 2.5, 2.75])
# More than 1 minor breaks
breaks = minor_breaks()(major, limits, 3)
npt.assert_array_equal(breaks, [.25, .5, .75,
1.25, 1.5, 1.75,
2.25, 2.5, 2.75,
3.25, 3.5, 3.75,
4.25, 4.5, 4.75])
# non-equidistant breaks
major = [1, 2, 4, 8]
limits = [0, 10]
minor = minor_breaks()(major, limits)
npt.assert_array_equal(minor, [1.5, 3, 6])
# single major break
minor = minor_breaks()([2], limits)
assert len(minor) == 0
def test_minor_breaks():
# equidistant breaks
major = [1, 2, 3, 4]
limits = [0, 5]
breaks = minor_breaks()(major, limits)
npt.assert_array_equal(breaks, [.5, 1.5, 2.5, 3.5, 4.5])
minor = minor_breaks(3)(major, [2, 3])
npt.assert_array_equal(minor, [2.25, 2.5, 2.75])
# More than 1 minor breaks
breaks = minor_breaks()(major, limits, 3)
npt.assert_array_equal(breaks, [
.25, .5, .75, 1.25, 1.5, 1.75, 2.25, 2.5, 2.75, 3.25, 3.5, 3.75, 4.25,
4.5, 4.75
])
# non-equidistant breaks
major = [1, 2, 4, 8]
limits = [0, 10]
minor = minor_breaks()(major, limits)
npt.assert_array_equal(minor, [1.5, 3, 6])
# single major break
minor = minor_breaks()([2], limits)
assert len(minor) == 0
def test_pseudo_log_trans():
p = np.arange(-4, 4)
pos = [10**int(x) for x in p]
arr = np.hstack([-np.array(pos[::-1]), pos])
_test_trans(pseudo_log_trans, arr)
_test_trans(pseudo_log_trans(base=16), arr)
_test_trans(pseudo_log_trans(base=10, minor_breaks=minor_breaks(n=5)), arr)
def test_logn_trans():
log3_trans = log_trans(3)
_test_trans(log3_trans, arr)
log4_trans = log_trans(4, domain=(0.1, 100),
breaks=mpl_breaks(),
minor_breaks=minor_breaks())
_test_trans(log4_trans, arr)