mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-24 17:45:32 +00:00
Code Activity

preparations for dealing with #2596

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-12 17:44:52 -07:00
parent 5bdcc737ec
commit cc26d49060
6 changed files with 162 additions and 82 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/tactic/fpa/fpa2bv_tactic.cpp
View file

@ -87,7 +87,7 @@ class fpa2bv_tactic : public tactic {
// Inject auxiliary lemmas that fix e to the one and only NaN value,
// that is (= e (fp #b0 #b1...1 #b0...01)), so that the value propagation
// has a value to propagate.
expr * sgn, *sig, *exp;
expr_ref sgn(m), sig(m), exp(m);
m_conv.split_fp(new_curr, sgn, exp, sig);
result.back()->assert_expr(m.mk_eq(sgn, m_conv.bu().mk_numeral(0, 1)));
result.back()->assert_expr(m.mk_eq(exp, m_conv.bu().mk_bv_neg(m_conv.bu().mk_numeral(1, m_conv.bu().get_bv_size(exp)))));