- IEEE754.fst: fix multi-binding in assume val signatures (F* 2026 syntax),
change float from Type0 to eqtype for equality support, generalize fma NaN
axioms to handle any-NaN inputs (ax_fma_any_nan_y/x/z)
- FPARewriterRules.fst: add explicit #eb #sb type arguments to axiom calls
where F* 2026 cannot infer them, use ax_fma_any_nan_y for proofs where
y is an arbitrary NaN rather than the canonical nan constant
- RewriteCodeGen.fst: fix F* 2026 API changes: FStar.Sealed.unseal->unseal,
C_Bool->{C_True,C_False}, List.Tot.iter->iter, FStar.Reflection.V2.inspect
->inspect_ln for term_view, post from C_Lemma pre->post with Tv_Abs peel,
b2t unwrapping, lemma_ref via pack_fv instead of quote for polymorphic lemmas,
per-branch offset tracking for Pat_Var in match branches
- .github/workflows/fstar-extract.yml: update to F* 2026.03.24 with correct
archive name fstar-v{VERSION}-Linux-x86_64.tar.gz
- fstar/README.md and extract.sh: update version references to 2026.03.24
Extraction now produces correct output:
expr *c, *t, *e;
if (m().is_ite(arg1, c, t, e)) {
result = m().mk_ite(c, m_util.mk_is_nan(t), m_util.mk_is_nan(e));
return BR_REWRITE2;
}
Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/0a30f342-3941-4952-a54f-1bee84b022ef
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
