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BrianMichell merged 1 commit into from
Sep 22, 2026
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docs: tolerate IBM denormals in quickstart #886

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6 changes: 4 additions & 2 deletions docs/tutorials/quickstart.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -468,11 +468,13 @@
"# Compare bin header\n",
"assert original_segy.binary_header == roundtrip_segy.binary_header\n",
"\n",
"# Compare 100 random trace headers and traces\n",
"# Compare 100 random trace headers and samples.\n",
"# IBM float32 cannot preserve denormals through IEEE decode/encode.\n",
"rng = np.random.default_rng()\n",
"rand_indices = rng.integers(low=0, high=original_segy.num_traces, size=100)\n",
"for idx in rand_indices:\n",
" np.testing.assert_equal(original_segy.trace[idx], roundtrip_segy.trace[idx])\n",
" np.testing.assert_equal(original_segy.header[idx], roundtrip_segy.header[idx])\n",
" np.testing.assert_allclose(original_segy.sample[idx], roundtrip_segy.sample[idx], rtol=0, atol=1e-37)\n",
"\n",
"print(\"Files identical!\")"
]
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