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CultMath oracle: the exact-zero Burn rows put a colour above 1 in every channel

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The z channel's boundary mutant survived because 0/0 reads as 0 after the clamp. mix.json follows. Builds.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Meta Vens 2026-10-12 10:00:57 +02:00
commit 3ea9c32382
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packages/cultmath/tools/cycles-oracle/oracle.py
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@ -243,7 +243,7 @@ EXTRA_ROWS = {
"cycles_compare": [(0.0, 1.0e-7, 0.0), (1.0, 1.0000001, 0.0), (1.0, 1.0000002, 0.0), (0.0, 1.0e-7, 1.0e-8), (5.0, 5.0, 0.0), (0.0, 2.0e-7, 1.0e-7)],
# Burn with a divisor of exactly 0 (tm + t col2 = 0) and a colour above 1: the result is 1 for the channel Cycles reads
# as 0, and an infinity the film would hide for the others.
"cycles_mix_burn": [(2.0, 1.5, 0.5, 1.0, 0.5, 0.5, 0.5), (0.5, 1.5, 2.0, 1.0, -1.0, -1.0, -1.0)],
"cycles_mix_burn": [(2.0, 1.5, 0.5, 2.5, 0.5, 0.5, 0.5), (0.5, 1.5, 2.0, 3.0, -1.0, -1.0, -1.0)],
"cycles_modulo": [(0.3, 0.1), (-0.3, 0.1), (5.5, -2.0), (-5.5, -2.0), (1.0, 0.0), (1.0e7, 3.0), (7.0, 7.0), (-7.0, 7.0)],
}