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Guard corner_cornerpy against samples < dims #1224

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Merged
Jammy2211 merged 1 commit into from
Apr 18, 2026
Merged

Guard corner_cornerpy against samples < dims #1224

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16 changes: 15 additions & 1 deletion autofit/non_linear/plot/samples_plotters.py
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Original file line number Diff line number Diff line change
@@ -1,12 +1,26 @@
import logging

import numpy as np

from autoconf import conf

from autofit.non_linear.plot.plot_util import skip_in_test_mode, output_figure

logger = logging.getLogger(__name__)


@skip_in_test_mode
def corner_cornerpy(samples, path=None, filename="corner", format="show", **kwargs):
data = np.asarray(samples.parameter_lists)
if data.ndim < 2 or data.shape[0] <= data.shape[1]:
logger.info(
"corner_cornerpy: skipping corner plot, only %s sample(s) for %s parameter(s) "
"(e.g. PYAUTO_TEST_MODE bypass or an early-iteration update).",
data.shape[0] if data.ndim >= 1 else 0,
data.shape[1] if data.ndim >= 2 else 0,
)
return

import matplotlib.pylab as pylab

config_dict = conf.instance["visualize"]["plots_settings"]["corner_cornerpy"]
Expand All @@ -17,7 +31,7 @@ def corner_cornerpy(samples, path=None, filename="corner", format="show", **kwar
import corner

corner.corner(
data=np.asarray(samples.parameter_lists),
data=data,
weight_list=samples.weight_list,
labels=samples.model.parameter_labels_with_superscripts_latex,
)
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