diff options
| author | Tim King <taking@cs.nyu.edu> | 2011-03-30 15:07:02 +0000 |
|---|---|---|
| committer | Tim King <taking@cs.nyu.edu> | 2011-03-30 15:07:02 +0000 |
| commit | 6495988f28ad6c9b318fc506e5d85d8613b03640 (patch) | |
| tree | f8679ffdf53b9d38f307e03b34aed251ba37bfbd /src/theory/arith/arith_rewriter.cpp | |
| parent | 10cabf82a20258da80be53eb6d23b1a536e82eb5 (diff) | |
Added the command line flag --rewrite-arithmetic-equalities. This sets a static flag in Options that the ArithRewriter uses to determine the equality rewriting policy.
Diffstat (limited to 'src/theory/arith/arith_rewriter.cpp')
| -rw-r--r-- | src/theory/arith/arith_rewriter.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/theory/arith/arith_rewriter.cpp b/src/theory/arith/arith_rewriter.cpp index 941394138..cecbefdee 100644 --- a/src/theory/arith/arith_rewriter.cpp +++ b/src/theory/arith/arith_rewriter.cpp @@ -261,8 +261,13 @@ RewriteResponse ArithRewriter::preRewriteAtom(TNode atom){ }else if(reduction.getKind() == kind::LT){ Node geq = currNM->mkNode(kind::GEQ, reduction[0], reduction[1]); reduction = currNM->mkNode(kind::NOT, geq); + }else if( Options::rewriteArithEqualities && reduction.getKind() == kind::EQUAL){ + Node geq = currNM->mkNode(kind::GEQ, reduction[0], reduction[1]); + Node leq = currNM->mkNode(kind::LEQ, reduction[0], reduction[1]); + reduction = currNM->mkNode(kind::AND, geq, leq); } + return RewriteResponse(REWRITE_DONE, reduction); } |