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FPA bugfixes

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-12-14 17:34:18 +00:00
parent b30e61e528
commit 4e913bb18c
3 changed files with 14 additions and 8 deletions
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6
src/ast/float_decl_plugin.cpp
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@ -750,8 +750,10 @@ bool float_decl_plugin::is_value(app * e) const {
case OP_FLOAT_MINUS_ZERO:
case OP_FLOAT_NAN:
return true;
case OP_FLOAT_TO_FP:
return m_manager->is_value(e->get_arg(0));
case OP_FLOAT_FP:
return m_manager->is_value(e->get_arg(0)) &&
m_manager->is_value(e->get_arg(1)) &&
m_manager->is_value(e->get_arg(2));
default:
return false;
}

10
src/smt/theory_fpa.cpp
View file

@ -24,11 +24,11 @@ Revision History:
namespace smt {
class mk_atom_trail : public trail<theory_fpa> {
class fpa_atom_trail : public trail<theory_fpa> {
bool_var m_var;
public:
mk_atom_trail(bool_var v) : m_var(v) {}
virtual ~mk_atom_trail() {}
fpa_atom_trail(bool_var v) : m_var(v) {}
virtual ~fpa_atom_trail() {}
virtual void undo(theory_fpa & th) {
theory_fpa::atom * a = th.get_bv2a(m_var);
a->~atom();
@ -87,7 +87,7 @@ namespace smt {
ctx.set_var_theory(l.var(), get_id());
pred_atom * a = new (get_region()) pred_atom(l, def);
insert_bv2a(l.var(), a);
m_trail_stack.push(mk_atom_trail(l.var()));
m_trail_stack.push(fpa_atom_trail(l.var()));
if (!ctx.relevancy()) {
ctx.mk_th_axiom(get_id(), l, ~def);
@ -257,7 +257,7 @@ namespace smt {
}
void theory_fpa::pop_scope_eh(unsigned num_scopes) {
TRACE("bv", tout << num_scopes << "\n";);
TRACE("t_fpa", tout << num_scopes << "\n";);
m_trail_stack.pop_scope(num_scopes);
unsigned num_old_vars = get_old_num_vars(num_scopes);
for (unsigned i = num_old_vars; i < get_num_vars(); i++) {

6
src/smt/theory_fpa.h
View file

@ -27,7 +27,11 @@ Revision History:
namespace smt {
class theory_fpa : public theory {
typedef trail_stack<theory_fpa> th_trail_stack;
class th_trail_stack : public trail_stack<theory_fpa> {
public:
th_trail_stack(theory_fpa & th) : trail_stack<theory_fpa>(th) {}
virtual ~th_trail_stack() {}
};
public:
class atom {