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fix sorting network bug, add network compilation,...

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-11 18:47:21 -07:00
parent 72f09e4729
commit 019ff77613
15 changed files with 350 additions and 100 deletions
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16
src/ast/ast.cpp
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@ -2058,6 +2058,22 @@ app * ast_manager::mk_app(func_decl * decl, unsigned num_args, expr * const * ar
return r;
}
expr* ast_manager::mk_or_reduced(unsigned n, expr* const* args) {
switch (n) {
case 0: return mk_false();
case 1: return args[0];
default: return mk_or(n, args);
}
}
expr* ast_manager::mk_and_reduced(unsigned n, expr* const* args) {
switch (n) {
case 0: return mk_true();
case 1: return args[0];
default: return mk_and(n, args);
}
}
func_decl * ast_manager::mk_fresh_func_decl(symbol const & prefix, symbol const & suffix, unsigned arity,
sort * const * domain, sort * range) {
func_decl_info info(null_family_id, null_decl_kind);

3
src/ast/ast.h
View file

@ -2004,6 +2004,9 @@ public:
app * mk_true() { return m_true; }
app * mk_false() { return m_false; }
app * mk_interp(expr * arg) { return mk_app(m_basic_family_id, OP_INTERP, arg); }
expr * mk_or_reduced(unsigned num_args, expr * const * args);
expr * mk_and_reduced(unsigned num_args, expr * const * args);
func_decl* mk_and_decl() {
sort* domain[2] = { m_bool_sort, m_bool_sort };

9
src/ast/pb_decl_plugin.cpp
View file

@ -271,3 +271,12 @@ rational pb_util::to_rational(parameter const& p) const {
SASSERT(p.is_rational());
return p.get_rational();
}
bool pb_util::has_unit_coefficients(func_decl* f) const {
if (is_at_most_k(f) || is_at_least_k(f)) return true;
unsigned sz = f->get_arity();
for (unsigned i = 0; i < sz; ++i) {
if (!get_coeff(f, i).is_one()) return false;
}
return true;
}

3
src/ast/pb_decl_plugin.h
View file

@ -103,6 +103,9 @@ public:
bool is_ge(expr* a, rational& k) const;
rational get_coeff(expr* a, unsigned index) const { return get_coeff(to_app(a)->get_decl(), index); }
rational get_coeff(func_decl* a, unsigned index) const;
bool has_unit_coefficients(func_decl* f) const;
bool has_unit_coefficients(expr* f) const { return is_app(f) && has_unit_coefficients(to_app(f)->get_decl()); }
bool is_eq(func_decl* f) const;
bool is_eq(expr* e) const { return is_app(e) && is_eq(to_app(e)->get_decl()); }