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add bounded-int and pb2bv solvers to fd_solver, use sorting networks for pb2bv rewriter when applicable, hoist to pb2bv_rewriter module and remove it from the pb2bv_tactic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-10-23 20:31:59 -07:00
parent 6d3430c689
commit 3778048eb4
26 changed files with 1424 additions and 700 deletions
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7
src/util/sorting_network.h
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@ -226,7 +226,12 @@ Notes:
m_t = EQ;
card(k+1, n, xs, out);
SASSERT(out.size() >= k+1);
return ctx.mk_min(out[k-1], ctx.mk_not(out[k]));
if (k == 0) {
return ctx.mk_not(out[k]);
}
else {
return ctx.mk_min(out[k-1], ctx.mk_not(out[k]));
}
}
}