mirror of
https://github.com/Z3Prover/z3
synced 2025-09-04 00:58:07 +00:00
6749c19ab1
# Conflicts: # src/ast/ast.h # src/interp/iz3foci.cpp # src/muz/duality/duality_dl_interface.cpp # src/util/hwf.h
49 lines
884 B
C++
49 lines
884 B
C++
/*++
|
|
Copyright (c) 2012 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
sls_powers.h
|
|
|
|
Abstract:
|
|
|
|
Power-of-2 module for SLS
|
|
|
|
Author:
|
|
|
|
Christoph (cwinter) 2012-02-29
|
|
|
|
Notes:
|
|
|
|
--*/
|
|
|
|
#ifndef SLS_POWERS_H_
|
|
#define SLS_POWERS_H_
|
|
|
|
#include"mpz.h"
|
|
|
|
class powers : public u_map<mpz*> {
|
|
unsynch_mpz_manager & m;
|
|
public:
|
|
powers(unsynch_mpz_manager & m) : m(m) {}
|
|
~powers() {
|
|
for (iterator it = begin(); it != end(); it++) {
|
|
m.del(*it->m_value);
|
|
dealloc(it->m_value);
|
|
}
|
|
}
|
|
|
|
const mpz & operator()(unsigned n) {
|
|
u_map<mpz*>::iterator it = find_iterator(n);
|
|
if (it != end())
|
|
return *it->m_value;
|
|
else {
|
|
mpz * new_obj = alloc(mpz);
|
|
m.mul2k(m.mk_z(1), n, *new_obj);
|
|
insert(n, new_obj);
|
|
return *new_obj;
|
|
}
|
|
}
|
|
};
|
|
|
|
#endif
|