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Adapt to https://github.com/coq/coq/pull/19530 #794

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Sep 19, 2024
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2 changes: 2 additions & 0 deletions compcert/lib/IEEE754_extra.v
Original file line number Diff line number Diff line change
Expand Up @@ -431,7 +431,7 @@
apply integer_representable_2p. auto.
apply (Zpower_gt_0 radix2).
lia.
- assert (IZR x <> 0%R) by (apply (IZR_neq _ _ n)).

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Notation IZR_neq is deprecated since 8.19.

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GitHub Actions / build (8.18, 64, vst)

Notation IZR_neq is deprecated since 8.19.

Check warning on line 434 in compcert/lib/IEEE754_extra.v

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GitHub Actions / build (8.19, 64, vst)

Notation IZR_neq is deprecated since 8.19.

Check warning on line 434 in compcert/lib/IEEE754_extra.v

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GitHub Actions / build (8.19, 64, vst)

Notation IZR_neq is deprecated since 8.19.

Check warning on line 434 in compcert/lib/IEEE754_extra.v

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GitHub Actions / build (8.19, 32, vst)

Notation IZR_neq is deprecated since 8.19.

Check warning on line 434 in compcert/lib/IEEE754_extra.v

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GitHub Actions / build (8.19, 32, vst)

Notation IZR_neq is deprecated since 8.19.
destruct (BofZ_finite x H) as (A & B & C).
destruct (BofZ_representable (2^p)) as (D & E & F).
apply integer_representable_2p. auto.
Expand Down Expand Up @@ -992,6 +992,8 @@
emin <= e <= emax - prec <-> bounded prec emax Bexact_inverse_mantissa e = true.
Proof.
intros. unfold bounded, canonical_mantissa. rewrite andb_true_iff.
rewrite ?Z.eqb_compare.
fold (Zeq_bool (fexp (Z.pos (digits2_pos Bexact_inverse_mantissa) + e)) e).
rewrite <- Zeq_is_eq_bool. rewrite <- Zle_is_le_bool.
rewrite Bexact_inverse_mantissa_digits2_pos.
unfold fexp, FLT_exp, emin. lia.
Expand Down
2 changes: 2 additions & 0 deletions progs/verif_union.v
Original file line number Diff line number Diff line change
Expand Up @@ -145,6 +145,7 @@ rewrite andb_true_iff in H.
destruct H as [H H0].
apply Z.leb_le in H0.
unfold SpecFloat.canonical_mantissa in H.
rewrite ?Z.eqb_compare in H.
apply Zeq_bool_eq in H.
unfold FLT.FLT_exp in H.
rewrite Digits.Zpos_digits2_pos in H.
Expand Down Expand Up @@ -219,6 +220,7 @@ destruct e0 as [H' ?H].
assert (-149 <= e). {
clear - H'.
unfold SpecFloat.canonical_mantissa in H'.
rewrite ?Z.eqb_compare in H'.
apply Zeq_bool_eq in H'.
unfold FLT.FLT_exp in H'.
rewrite Digits.Zpos_digits2_pos in H'.
Expand Down
2 changes: 2 additions & 0 deletions progs64/verif_union.v
Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,7 @@ rewrite andb_true_iff in H.
destruct H as [H H0].
apply Z.leb_le in H0.
unfold SpecFloat.canonical_mantissa in H.
rewrite ?Z.eqb_compare in H.
apply Zeq_bool_eq in H.
unfold FLT.FLT_exp in H.
rewrite Digits.Zpos_digits2_pos in H.
Expand Down Expand Up @@ -220,6 +221,7 @@ destruct e0 as [H' ?H].
assert (-149 <= e). {
clear - H'.
unfold SpecFloat.canonical_mantissa in H'.
rewrite ?Z.eqb_compare in H'.
apply Zeq_bool_eq in H'.
unfold FLT.FLT_exp in H'.
rewrite Digits.Zpos_digits2_pos in H'.
Expand Down
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