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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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8
src/api/z3_rcf.h
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@ -184,6 +184,14 @@ extern "C" {
*/
Z3_string Z3_API Z3_rcf_num_to_decimal_string(__in Z3_context c, __in Z3_rcf_num a, __in unsigned prec);
/**
\brief Extract the "numerator" and "denominator" of the given RCF numeral.
We have that a = n/d, moreover n and d are not represented using rational functions.
def_API('Z3_rcf_get_numerator_denominator', VOID, (_in(CONTEXT), _in(RCF_NUM), _out(RCF_NUM), _out(RCF_NUM)))
*/
void Z3_API Z3_rcf_get_numerator_denominator(__in Z3_context c, __in Z3_rcf_num a, __out Z3_rcf_num * n, __out Z3_rcf_num * d);
#ifdef __cplusplus
};
#endif // __cplusplus