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Code Activity

Shared features from polysat branch (#6567)

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* Allow setting default debug action

* Fix dlist and add iterator

* Add var_queue iterator

* Add some helpers

* rational: machine_div2k and pseudo_inverse

* Basic support for non-copyable types in map

* tbv helpers

* pdd updates

* Remove duplicate functions

gcc doesn't like having both versions
This commit is contained in:
Jakob Rath 2023-02-03 22:08:47 +01:00 • committed by GitHub
parent be44ace995
commit d69155b9e9
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 456 additions and 62 deletions
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27
src/util/tbv.h
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@ -27,10 +27,10 @@ Revision History:
class tbv;
enum tbit {
BIT_z = 0x0,
BIT_0 = 0x1,
BIT_1 = 0x2,
BIT_x = 0x3
BIT_z = 0x0, // unknown
BIT_0 = 0x1, // for sure 0
BIT_1 = 0x2, // for sure 1
BIT_x = 0x3 // don't care
};
inline tbit neg(tbit t) {
@ -43,6 +43,7 @@ class tbv_manager {
ptr_vector<tbv> allocated_tbvs;
public:
tbv_manager(unsigned n): m(2*n) {}
tbv_manager(tbv_manager const& m) = delete;
~tbv_manager();
void reset();
tbv* allocate();
@ -132,8 +133,9 @@ class tbv_ref {
tbv_manager& mgr;
tbv* d;
public:
tbv_ref(tbv_manager& mgr):mgr(mgr),d(nullptr) {}
tbv_ref(tbv_manager& mgr, tbv* d):mgr(mgr),d(d) {}
tbv_ref(tbv_manager& mgr) : mgr(mgr), d(nullptr) {}
tbv_ref(tbv_manager& mgr, tbv* d) : mgr(mgr), d(d) {}
tbv_ref(tbv_ref&& d) : mgr(d.mgr), d(d.detach()) {}
~tbv_ref() {
if (d) mgr.deallocate(d);
}
@ -144,8 +146,17 @@ public:
}
tbv& operator*() { return *d; }
tbv* operator->() { return d; }
tbv* get() { return d; }
tbit operator[](unsigned idx) const { return (*d)[idx]; }
tbv* get() const { return d; }
tbv* detach() { tbv* result = d; d = nullptr; return result; }
tbv_manager& manager() const { return mgr; }
unsigned num_tbits() const { return mgr.num_tbits(); }
};
inline std::ostream& operator<<(std::ostream& out, tbv_ref const& c) {
char const* names[] = { "z", "0", "1", "x" };
for (unsigned i = c.num_tbits(); i-- > 0; ) {
out << names[static_cast<unsigned>(c[i])];
}
return out;
}