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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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2
src/tactic/arith/bv2int_rewriter.cpp
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@ -544,7 +544,7 @@ bool bv2int_rewriter::is_sbv2int(expr* n, expr_ref& s) {
m_bv.is_extract(e2, lo1, hi1, e3) &&
lo1 == 0 && hi1 == hi-1 &&
m_arith.is_numeral(t2, k, is_int) && is_int &&
k == m_bv.power_of_two(hi)
k == rational::power_of_two(hi)
) {
s = e3;
return true;