diff options
| author | Tim King <taking@cs.nyu.edu> | 2012-11-08 21:25:27 +0000 |
|---|---|---|
| committer | Tim King <taking@cs.nyu.edu> | 2012-11-08 21:25:27 +0000 |
| commit | b3470b5e0b7a664443b9f835db5dd86fb1487866 (patch) | |
| tree | cbfe76629fc1de740b552e574a058906eb4f2321 /src/theory/arith/kinds | |
| parent | 2d422bab11e46f056bfafa85b0d49282fec289d8 (diff) | |
Improved support for division by zero. This adds the *_TOTAL kinds and uninterpreted functions for division by 0.
Diffstat (limited to 'src/theory/arith/kinds')
| -rw-r--r-- | src/theory/arith/kinds | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/theory/arith/kinds b/src/theory/arith/kinds index a724124bd..0be7d31a5 100644 --- a/src/theory/arith/kinds +++ b/src/theory/arith/kinds @@ -18,9 +18,12 @@ operator PLUS 2: "arithmetic addition" operator MULT 2: "arithmetic multiplication" operator MINUS 2 "arithmetic binary subtraction operator" operator UMINUS 1 "arithmetic unary negation" -operator DIVISION 2 "real division" -operator INTS_DIVISION 2 "ints division" -operator INTS_MODULUS 2 "ints modulus" +operator DIVISION 2 "real division (user symbol)" +operator DIVISION_TOTAL 2 "real division with interpreted division by 0 (internal symbol)" +operator INTS_DIVISION 2 "ints division (user symbol)" +operator INTS_DIVISION_TOTAL 2 "ints division with interpreted division by 0 (internal symbol)" +operator INTS_MODULUS 2 "ints modulus (user symbol)" +operator INTS_MODULUS_TOTAL 2 "ints modulus with interpreted division by 0 (internal symbol)" operator POW 2 "arithmetic power" sort REAL_TYPE \ @@ -87,4 +90,8 @@ typerule GEQ ::CVC4::theory::arith::ArithPredicateTypeRule typerule INTS_DIVISION ::CVC4::theory::arith::ArithOperatorTypeRule typerule INTS_MODULUS ::CVC4::theory::arith::ArithOperatorTypeRule +typerule DIVISION_TOTAL ::CVC4::theory::arith::ArithOperatorTypeRule +typerule INTS_DIVISION_TOTAL ::CVC4::theory::arith::ArithOperatorTypeRule +typerule INTS_MODULUS_TOTAL ::CVC4::theory::arith::ArithOperatorTypeRule + endtheory |