Hojun-Cho 330792b884 lib/math: checked sat_subu* unsigned saturating subtract (#28) ...

Port the deferred sat_subu8/16/32/64 from
ref/hare/math/checked/saturating.ha:196,206,216,226 — clamp to
types.U*_MIN (0) on underflow. Mirrors the existing sat_addu* shape
(typed res forces the sub-word wrap, then the >a underflow test).
Tests: sat_subu* normal+clamp rows plus a direct types min check
(U*_MIN==0, RUNE_MIN=='\0'), wired into checked_test main().

2026-05-26 00:48:19 +09:00

bootstrap

ww: rename toolchain to w-prefix + hare-style build/run/test driver

2026-05-11 13:49:27 +09:00

cmd

cgen: tuple receive spills f64 word from XMM, not integer reg (both stages, #105)

2026-05-25 16:23:47 +09:00

examples

examples: α/γ rt.malloc → alloc([], N)! (cmatrix + lispcore)

2026-05-21 02:41:37 +09:00

lib

lib/math: checked sat_subu* unsigned saturating subtract (#28)

2026-05-26 00:48:19 +09:00

ref

ref: vendor harec checker sources (#20)

2026-05-21 23:03:11 +09:00

rt

rt: bump-over-mmap allocator (rt_segmalloc + rt_free no-op)

2026-05-24 07:15:38 +09:00

selfhost

lib/types: add U*_MIN and RUNE_MIN

2026-05-26 00:35:53 +09:00

test

test: 952 add frexpf64 runtime rows

2026-05-25 16:48:14 +09:00

tools

tools/sizelint + CLAUDE.md rule 13: gate hardcoded size literals

2026-05-20 15:22:21 +09:00

.gitignore

selfhost/cmd/wcc/check+test: fold size(T)/align(T)/offset(e.f) at check time

2026-05-20 05:22:57 +09:00

BOOTSTRAP.md

ww: hare-feature batch (_, const, [_]T, ..., size/offset, assert, for-else)

2026-05-11 19:38:12 +09:00

CLAUDE.md

CLAUDE.md: rule 14 — test-unit (inner-loop) vs test (bootstrap gate)

2026-05-21 18:10:18 +09:00

Makefile

test: 956 branched f64-tuple receive across all 3 forms, run + cs==ww byte-id (#105)

2026-05-25 16:23:47 +09:00

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