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| author | Yann Herklotz <git@yannherklotz.com> | 2021-09-17 16:52:29 +0100 |
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| committer | Yann Herklotz <git@yannherklotz.com> | 2021-09-17 16:52:29 +0100 |
| commit | 4be142376801c205ffd701208fad8eedf2c08d90 (patch) | |
| tree | d2f4d54cc34319e380e349eddef61c2994202e8b /flocq/Core/FIX.v | |
| parent | 48a9dcbdc968bcf05b4eec17b8c7fd471fb80240 (diff) | |
| parent | c9fad7cd7bdc4e79fb06a1d39abfa0d5471623e5 (diff) | |
| download | compcert-4be142376801c205ffd701208fad8eedf2c08d90.tar.gz compcert-4be142376801c205ffd701208fad8eedf2c08d90.zip | |
Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'flocq/Core/FIX.v')
| -rw-r--r-- | flocq/Core/FIX.v | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/flocq/Core/FIX.v b/flocq/Core/FIX.v index 4e0a25e6..779d94cb 100644 --- a/flocq/Core/FIX.v +++ b/flocq/Core/FIX.v @@ -18,6 +18,8 @@ COPYING file for more details. *) (** * Fixed-point format *) + +From Coq Require Import Lia. Require Import Raux Defs Round_pred Generic_fmt Ulp Round_NE. Section RND_FIX. @@ -86,9 +88,16 @@ intros x; unfold ulp. case Req_bool_spec; intros Zx. case (negligible_exp_spec FIX_exp). intros T; specialize (T (emin-1)%Z); contradict T. -unfold FIX_exp; omega. +unfold FIX_exp; lia. intros n _; reflexivity. reflexivity. Qed. +Global Instance exists_NE_FIX : + Exists_NE beta FIX_exp. +Proof. +unfold Exists_NE, FIX_exp; simpl. +right; split; auto. +Qed. + End RND_FIX. |