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| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2018-05-21 17:52:26 -0500 |
|---|---|---|
| committer | Andres Noetzli <andres.noetzli@gmail.com> | 2018-05-21 15:52:26 -0700 |
| commit | e50e09efa679c2d0c835cbf794a7b0743347552a (patch) | |
| tree | 43b362a297ba4b460e38d38a3dca5ad6f5c582fc /src/lib | |
| parent | 4e56fd1578c51544d879cf84a4ea48c5f09a1d97 (diff) | |
Improvements in parsing and printing related to mixed int/real (#1879)
This eliminates some hacks for dealing with Int/Real.
- Eliminates the use of "to_real" to cast decimals like "2.0" that happen to be Int. We now replace these by (/ 2 1) instead of (to_real 2), which has the advantage of being smt-lib compliant for all theories, including QF_LRA.
- Eliminates the use of a hack to use "type ascriptions" when returning values from a get-value command. Instead, we use division with 1 when necessary. This affects the output of a few regressions, but we remain smt-lib compliant.
- Addresses a bug with printing arbitrary type ascriptions for smt2 terms. This partially addresses #1852.
- Updates our printing of negative rationals to be (/ (- n) m) instead of (- (/ n m)), which is consistent with the smt lib standard for real values (http://smtlib.cs.uiowa.edu/theories-Reals.shtml).
Diffstat (limited to 'src/lib')
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