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Backport PR #9564 on branch v2.1.x #9586

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Merged
merged 1 commit into from
Oct 26, 2017
Merged

Backport PR #9564 on branch v2.1.x #9586

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11 changes: 11 additions & 0 deletions lib/matplotlib/tests/test_axes.py
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Expand Up @@ -1517,6 +1517,17 @@ def test_hist_step_log_bottom():
ax.set_ylim(9e-3, 1e3)


def test_hist_unequal_bins_density():
# Test correct behavior of normalized histogram with unequal bins
# https://github.com/matplotlib/matplotlib/issues/9557
rng = np.random.RandomState(57483)
t = rng.randn(100)
bins = [-3, -1, -0.5, 0, 1, 5]
mpl_heights, _, _ = plt.hist(t, bins=bins, density=True)
np_heights, _ = np.histogram(t, bins=bins, density=True)
assert_allclose(mpl_heights, np_heights)


def contour_dat():
x = np.linspace(-3, 5, 150)
y = np.linspace(-3, 5, 120)
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