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add comments and more efficient code in cross_nested

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-07-23 10:36:01 -07:00
parent 84e9e4ca9a
commit ba2dbabe21
2 changed files with 29 additions and 10 deletions

View file

@ -155,7 +155,7 @@ public:
case expr_type::MUL:
return print_mul(out);
case expr_type::VAR:
out << (char)('a'+ m_j);
out << 'v' << m_j;
return out;
case expr_type::SCALAR:
out << m_v;