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Add API for extracting numerator/denominator of RCF numerals. Add field to store the original isolating interval before refinement.

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-01-14 14:20:52 -08:00
parent 991a1528cd
commit 799fe073db
4 changed files with 101 additions and 47 deletions
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5
src/api/python/z3rcf.py
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@ -154,3 +154,8 @@ class RCFNum:
v = _to_rcfnum(other, self.ctx)
return Z3_rcf_neq(self.ctx_ref(), self.num, v.num)
def split(self):
n = (RCFNumObj * 1)()
d = (RCFNumObj * 1)()
Z3_rcf_get_numerator_denominator(self.ctx_ref(), self.num, n, d)
return (RCFNum(n[0], self.ctx), RCFNum(d[0], self.ctx))