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Merge branch 'master' of https://github.com/z3prover/z3

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Nikolaj Bjorner 2017-11-19 20:42:11 -08:00
commit 14714f2803
3 changed files with 21 additions and 3 deletions
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20
src/api/c++/z3++.h
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@ -965,6 +965,13 @@ namespace z3 {
friend expr operator|(expr const & a, expr const & b);
friend expr operator|(expr const & a, int b);
friend expr operator|(int a, expr const & b);
friend expr nand(expr const& a, expr const& b);
friend expr nor(expr const& a, expr const& b);
friend expr xnor(expr const& a, expr const& b);
expr rotate_left(unsigned i) { Z3_ast r = Z3_mk_rotate_left(ctx(), i, *this); ctx().check_error(); return expr(ctx(), r); }
expr rotate_right(unsigned i) { Z3_ast r = Z3_mk_rotate_right(ctx(), i, *this); ctx().check_error(); return expr(ctx(), r); }
expr repeat(unsigned i) { Z3_ast r = Z3_mk_repeat(ctx(), i, *this); ctx().check_error(); return expr(ctx(), r); }
friend expr operator~(expr const & a);
expr extract(unsigned hi, unsigned lo) const { Z3_ast r = Z3_mk_extract(ctx(), hi, lo, *this); ctx().check_error(); return expr(ctx(), r); }
@ -1333,6 +1340,10 @@ namespace z3 {
inline expr operator|(expr const & a, int b) { return a | a.ctx().num_val(b, a.get_sort()); }
inline expr operator|(int a, expr const & b) { return b.ctx().num_val(a, b.get_sort()) | b; }
inline expr nand(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_bvnand(a.ctx(), a, b); return expr(a.ctx(), r); }
inline expr nor(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_bvnor(a.ctx(), a, b); return expr(a.ctx(), r); }
inline expr xnor(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_bvxnor(a.ctx(), a, b); return expr(a.ctx(), r); }
inline expr operator~(expr const & a) { Z3_ast r = Z3_mk_bvnot(a.ctx(), a); return expr(a.ctx(), r); }
@ -1407,11 +1418,18 @@ namespace z3 {
inline expr udiv(int a, expr const & b) { return udiv(b.ctx().num_val(a, b.get_sort()), b); }
/**
\brief signed reminder operator for bitvectors
\brief signed remainder operator for bitvectors
*/
inline expr srem(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvsrem(a.ctx(), a, b)); }
inline expr srem(expr const & a, int b) { return srem(a, a.ctx().num_val(b, a.get_sort())); }
inline expr srem(int a, expr const & b) { return srem(b.ctx().num_val(a, b.get_sort()), b); }
/**
\brief signed modulus operator for bitvectors
*/
inline expr smod(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvsmod(a.ctx(), a, b)); }
inline expr smod(expr const & a, int b) { return smod(a, a.ctx().num_val(b, a.get_sort())); }
inline expr smod(int a, expr const & b) { return smod(b.ctx().num_val(a, b.get_sort()), b); }
/**
\brief unsigned reminder operator for bitvectors

2
src/ast/fpa/bv2fpa_converter.cpp
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@ -297,7 +297,7 @@ func_interp * bv2fpa_converter::convert_func_interp(model_core * mc, func_decl *
// The BV model may have multiple equivalent entries using different
// representations of NaN. We can only keep one and we check that
// the results for all those entries are the same.
if (ft_fres != fe->get_result())
if (m_fpa_util.is_float(rng) && ft_fres != fe->get_result())
throw default_exception("BUG: UF function entries disagree with each other");
}
}

2
src/util/lp/lar_solver.h
View file

@ -1157,7 +1157,7 @@ public:
bool explanation_is_correct(const vector<std::pair<mpq, unsigned>>& explanation) const {
#ifdef Z3DEBUG
lconstraint_kind kind;
lconstraint_kind kind = EQ; // initialize it just to avoid a warning
SASSERT(the_relations_are_of_same_type(explanation, kind));
SASSERT(the_left_sides_sum_to_zero(explanation));
mpq rs = sum_of_right_sides_of_explanation(explanation);