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working on pre-processing

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2013-12-23 03:25:22 -08:00
parent 24f2fd380c
commit 0c2ec6951a
2 changed files with 170 additions and 22 deletions
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3
src/ast/rewriter/pb_rewriter_def.h
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@ -68,6 +68,9 @@ void pb_rewriter_util<PBU>::unique(typename PBU::args_t& args, typename PBU::num
for (; j < args.size() && args[j].first == args[i].first; ++j) {
args[i].second += args[j].second;
}
if (args[i].second.is_zero()) {
--i;
}
if (j < args.size()) {
args[i+1].first = args[j].first;
args[i+1].second = args[j].second;