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feat(lang): float and double types with ordinary operators

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`float` (32-bit) and `double` (64-bit) with + - * / %, comparisons and unary minus.
Decimal literals take their type from context and stay `fixed` elsewhere; int and long
promote implicitly (LUDIC_WARN_FLOAT_PROMOTE=1 lists every promotion). float(), double(),
int(), long() and fixed() convert; floats(n)/doubles(n) buffers; float fields, globals,
constants and parameters; Math.* computes in float for float arguments; string/print
write the shortest round-tripping decimal; float_bits/float_from_bits expose the bits.
@deterministic code may not use floats. The f_* runtime helpers stay as they are.

Editors know the new type words; the JetBrains plugin is 1.5.0.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-16 16:02:03 +03:00
parent f92d7f89c6
commit e010c2cecc
40 changed files with 67726 additions and 57272 deletions
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4
selfhost/backend/emit_stmt.ludic
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@ -316,9 +316,7 @@ function emit_stmt(st: Node) -> void {
let slot = emit_alloca(llty(ty)); store_at(llty(ty), v0.code, slot); loc_push(st.s, slot, ty); loc_set_mut(st.ival); return }
let slot = emit_alloca(llty(ty))
if (st.a == null) {
var z = "0"
if (llty(ty) == "ptr") { z = "null" }
store_at(llty(ty), z, slot)
store_at(llty(ty), zero_of(llty(ty)), slot)
} else { let v = emit_expr(st.a); store_at(llty(ty), coerce_code(v, ty), slot) }
loc_push(st.s, slot, ty)
loc_set_mut(st.ival)