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Add get_sort(expr * n) function that does not depend on ast_manager. Move power_of_two to rational class. Add arith_recognizers and bv_recognizers classes. The two new classes contain the 'read-only' methods from arith_util and bv_util.

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-12-18 14:44:51 -08:00
parent 4f0d5a5756
commit cec328cfdc
17 changed files with 314 additions and 282 deletions
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24
src/ast/arith_decl_plugin.cpp
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@ -573,18 +573,7 @@ expr * arith_decl_plugin::get_some_value(sort * s) {
return mk_numeral(rational(0), s == m_int_decl);
}
arith_util::arith_util(ast_manager & m):
m_manager(m),
m_afid(m.get_family_id("arith")),
m_plugin(0) {
}
void arith_util::init_plugin() {
SASSERT(m_plugin == 0);
m_plugin = static_cast<arith_decl_plugin*>(m_manager.get_plugin(m_afid));
}
bool arith_util::is_numeral(expr const * n, rational & val, bool & is_int) const {
bool arith_recognizers::is_numeral(expr const * n, rational & val, bool & is_int) const {
if (!is_app_of(n, m_afid, OP_NUM))
return false;
func_decl * decl = to_app(n)->get_decl();
@ -593,6 +582,17 @@ bool arith_util::is_numeral(expr const * n, rational & val, bool & is_int) const
return true;
}
arith_util::arith_util(ast_manager & m):
arith_recognizers(m.get_family_id("arith")),
m_manager(m),
m_plugin(0) {
}
void arith_util::init_plugin() {
SASSERT(m_plugin == 0);
m_plugin = static_cast<arith_decl_plugin*>(m_manager.get_plugin(m_afid));
}
bool arith_util::is_irrational_algebraic_numeral(expr const * n, algebraic_numbers::anum & val) {
if (!is_app_of(n, m_afid, OP_IRRATIONAL_ALGEBRAIC_NUM))
return false;