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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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13
src/api/api_rcf.cpp
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@ -290,4 +290,17 @@ extern "C" {
Z3_CATCH_RETURN("");
}
void Z3_API Z3_rcf_get_numerator_denominator(Z3_context c, Z3_rcf_num a, Z3_rcf_num * n, Z3_rcf_num * d) {
Z3_TRY;
LOG_Z3_rcf_get_numerator_denominator(c, a, n, d);
RESET_ERROR_CODE();
reset_rcf_cancel(c);
rcnumeral _n, _d;
rcfm(c).clean_denominators(to_rcnumeral(a), _n, _d);
*n = from_rcnumeral(_n);
*d = from_rcnumeral(_d);
RETURN_Z3_rcf_get_numerator_denominator;
Z3_CATCH;
}
};