amethyst

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Claude f5f71220a7 fix: use proven mul_wide in mul_shift384, trace scalar_mul reduction bug

Replace mul_shift384's inline product computation with the proven mul_wide
function, eliminating the row-based carry accumulation overflow bug
(t[i+4] = carry overwrites instead of adding).

Traced the remaining scalar_mul reduction bug to its exact location:
products of two ~256-bit scalars lose exactly NC[1] = 0x4551231950B75FC4
in the second fold step. The mul_wide product and first fold are correct,
but the second fold (handling sum[4..7]) loses a carry at limb position 2.

https://claude.ai/code/session_011KVZhDcV2G7idNWEBz12GY

2026-04-11 03:34:40 +00:00

.idea

Switches to our own version of the Url Detector

2026-03-06 10:58:59 -05:00

benchmarks

feat: upgrade negentropy-kmp to v1.0.2, enable macosArm64 target

2026-04-11 00:44:33 +00:00

src

fix: use proven mul_wide in mul_shift384, trace scalar_mul reduction bug

2026-04-11 03:34:40 +00:00

.gitignore

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