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feat(lang): strict numbers in float files; render3d on float

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A numbers float file adapts decimal literals to a fixed operand or slot, and refuses to
promote a computed int to a float implicitly: there it is almost always float bits. Explicit
float(x) is always allowed.

render3d's numbers are float, converted by tools/migrate/floatbits.py - a whole-program
inference of which ints carried IEEE bits (union-find over flows, calls, returns, buffers,
nested buffers and lexical scopes) and a rewriter to operators, Math.* and float literals,
with float_bits / float_from_bits left only where bits really cross (runtime scratch
buffers, mixed buffers). Seed regenerated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-23 17:13:25 +03:00
parent 3ac0d8d5cb
commit cc89fc37a4
35 changed files with 57282 additions and 54382 deletions
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6
selfhost/backend/emit_call.ludic
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@ -1537,7 +1537,11 @@ function emit_expr(e: Node) -> Val {
if e.kind == E_UN {
let a = emit_expr(e.a)
if is_fp(a.ty) {
if (e.s == ("-")) { return val(emit_bind(`fneg {a.ty} {a.code}`), a.ty) }
if (e.s == ("-")) {
let nf = val(emit_bind(`fneg {a.ty} {a.code}`), a.ty)
if (a.lit != null) { nf.lit = e } # -1.5 stays a literal: a fixed slot can still take it
return nf
}
perr(`operator {e.s} does not apply to {a.ty}`)
}
if (e.s == ("-")) and (a.lit != null) { # -1.5 stays a literal: exact in a float context