jack
30 lines
1.0 KiB
Python
30 lines
1.0 KiB
Python
"""Tests for src/pygui/backend/rbf_heatmap.py."""
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import numpy as np
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from pygui.backend.rbf_heatmap import interpolate_field, BACKEND
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def test_field_shape_and_interpolates_at_sites():
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xs = np.array([0.0, 10.0, -10.0, 0.0])
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ys = np.array([10.0, -10.0, -10.0, 0.0])
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vs = np.array([149.0, 150.0, 148.0, 149.5])
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field = interpolate_field(xs, ys, vs, width=64, height=64,
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extent=(-15, 15, -15, 15))
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assert field.shape == (64, 64)
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assert np.isfinite(field).all()
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assert field.min() <= 150.0 and field.max() >= 148.0
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def test_round_clip_produces_nans_outside_circle():
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xs = np.array([0.0, 5.0, -5.0])
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ys = np.array([5.0, -5.0, 0.0])
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vs = np.array([149.0, 150.0, 148.0])
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field = interpolate_field(xs, ys, vs, width=64, height=64,
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extent=(-15, 15, -15, 15), round_clip=True)
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assert np.isnan(field).any()
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# center pixel must be finite
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assert np.isfinite(field[32, 32])
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def test_backend_reported():
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assert BACKEND in ("cupy", "numpy")
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