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Add support for abs (absolute value) function in theory arith (it is part of the SMT-LIB 2.0 standard)

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2013-02-03 15:28:56 -08:00
parent 490905e320
commit c4f762028f
6 changed files with 31 additions and 0 deletions
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2
src/ast/rewriter/arith_rewriter.h
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@ -131,6 +131,8 @@ public:
}
void mk_gt(expr * arg1, expr * arg2, expr_ref & result) { mk_gt_core(arg1, arg2, result); }
br_status mk_abs_core(expr * arg, expr_ref & result);
br_status mk_div_core(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_idiv_core(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_mod_core(expr * arg1, expr * arg2, expr_ref & result);