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working on udoc

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-21 20:25:11 -07:00
parent a50cbef877
commit 22808a039d
17 changed files with 171 additions and 39 deletions
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13
src/muz/rel/tbv.cpp
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@ -191,8 +191,17 @@ bool tbv_manager::set_and(tbv& dst, tbv const& src) const {
}
bool tbv_manager::is_well_formed(tbv const& dst) const {
for (unsigned i = 0; i < num_tbits(); ++i) {
if (dst[i] == BIT_z) return false;
unsigned nw = m.num_words();
unsigned w;
for (unsigned i = 0; i + 1 < nw; ++i) {
w = dst.get_word(i);
w = w | (w << 1) | 0x55555555;
if (w != 0xFFFFFFFF) return false;
}
if (nw > 0) {
w = m.last_word(dst);
w = w | (w << 1) | 0x55555555 | ~m.get_mask();
if (w != 0xFFFFFFFF) return false;
}
return true;
}