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authorDavid Monniaux <David.Monniaux@univ-grenoble-alpes.fr>2021-12-16 23:27:40 +0100
committerDavid Monniaux <David.Monniaux@univ-grenoble-alpes.fr>2021-12-16 23:27:40 +0100
commitdab5ceabe0b11daa0199a6a48c73adbee9fafb4c (patch)
tree7f24b42db4f162cee84a3b990e18d2efefa2c472 /kvx
parente88eb7bdf74f68c4577477650332240dabfee88e (diff)
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-rw-r--r--kvx/FPDivision.v6
1 files changed, 5 insertions, 1 deletions
diff --git a/kvx/FPDivision.v b/kvx/FPDivision.v
index 6fd7e14c..1b81b632 100644
--- a/kvx/FPDivision.v
+++ b/kvx/FPDivision.v
@@ -435,11 +435,15 @@ Proof.
gappa.
}
+ assert(0 <= prod_r <= 4294967295) as prod_r_range.
+ { admit.
+ }
+
replace (_ && _ ) with true; cycle 1.
{
symmetry.
rewrite andb_true_iff.
- admit.
+ split; apply Zle_imp_le_bool; lia.
}
cbn.
f_equal.