8000 TST: Increase some floating point datatypes and tolerances · matplotlib/matplotlib@3438672 · GitHub
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greglucasgreglucas
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TST: Increase some floating point datatypes and tolerances
This is for floating point errors that crept in with AVX512 instruction sets on some CI architectures.
1 parent 357901a commit 3438672

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4 files changed

+7
-6
lines changed
8000

4 files changed

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-6
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‎lib/matplotlib/tests/test_axes.py

Lines changed: 3 additions & 1 deletion
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@@ -3327,7 +3327,9 @@ def test_tick_space_size_0():
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@image_comparison(['errorbar_basic', 'errorbar_mixed', 'errorbar_basic'])
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def test_errorbar():
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x = np.arange(0.1, 4, 0.5)
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# longdouble due to floating point rounding issues with certain
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# computer chipsets
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x = np.arange(0.1, 4, 0.5, dtype=np.longdouble)
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y = np.exp(-x)
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yerr = 0.1 + 0.2*np.sqrt(x)

‎lib/matplotlib/tests/test_streamplot.py

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@@ -78,7 +78,7 @@ def test_maxlength():
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@image_comparison(['streamplot_direction.png'],
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remove_text=True, style='mpl20', tol=0.056)
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remove_text=T 8000 rue, style='mpl20', tol=0.073)
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def test_direction():
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x, y, U, V = swirl_velocity_field()
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plt.streamplot(x, y, U, V, integration_direction='backward',

‎lib/mpl_toolkits/tests/test_axisartist_grid_helper_curvelinear.py

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@@ -140,7 +140,7 @@ def test_polar_box():
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ax1.grid(True)
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@image_comparison(['axis_direction.png'], style='default', tol=0.07)
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@image_comparison(['axis_direction.png'], style='default', tol=0.071)
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def test_axis_direction():
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# Remove this line when this test image is regenerated.
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plt.rcParams['text.kerning_factor'] = 6

‎lib/mpl_toolkits/tests/test_mplot3d.py

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@@ -1,6 +1,5 @@
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import functools
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import itertools
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import platform
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import pytest
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@@ -547,7 +546,7 @@ def test_text3d_modification(fig_ref, fig_test):
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ax_ref.text(x, y, z, f'({x}, {y}, {z}), dir={zdir}', zdir=zdir)
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@mpl3d_image_comparison(['trisurf3d.png'], tol=0.03)
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@mpl3d_image_comparison(['trisurf3d.png'], tol=0.061)
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def test_trisurf3d():
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n_angles = 36
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n_radii = 8
@@ -1369,7 +1368,7 @@ def test_errorbar3d():
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@image_comparison(['stem3d.png'], style='mpl20',
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tol=0.0 if platform.machine() == 'x86_64' else 0.003)
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tol=0.003)
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def test_stem3d():
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fig, axs = plt.subplots(2, 3, figsize=(8, 6),
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constrained_layout=True,

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