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updates

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-07-26 15:31:49 +01:00
parent 8744c62fca
commit 60bb02b709
11 changed files with 120 additions and 35 deletions
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6
src/ast/rewriter/arith_rewriter.cpp
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@ -66,6 +66,7 @@ br_status arith_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * c
SASSERT(num_args == 2); st = mk_div_core(args[0], args[1], result); break;
case OP_IDIV: if (num_args == 1) { result = args[0]; st = BR_DONE; break; }
SASSERT(num_args == 2); st = mk_idiv_core(args[0], args[1], result); break;
case OP_IDIVIDES: SASSERT(num_args == 1); st = mk_idivides(f->get_parameter(0).get_int(), args[0], result); break;
case OP_MOD: SASSERT(num_args == 2); st = mk_mod_core(args[0], args[1], result); break;
case OP_REM: SASSERT(num_args == 2); st = mk_rem_core(args[0], args[1], result); break;
case OP_UMINUS: SASSERT(num_args == 1); st = mk_uminus(args[0], result); break;
@ -792,6 +793,11 @@ br_status arith_rewriter::mk_div_core(expr * arg1, expr * arg2, expr_ref & resul
return BR_FAILED;
}
br_status arith_rewriter::mk_idivides(unsigned k, expr * arg, expr_ref & result) {
result = m().mk_eq(m_util.mk_mod(arg, m_util.mk_int(k)), m_util.mk_int(0));
return BR_REWRITE2;
}
br_status arith_rewriter::mk_idiv_core(expr * arg1, expr * arg2, expr_ref & result) {
set_curr_sort(m().get_sort(arg1));
numeral v1, v2;