Exemplo n.º 1
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expression_tree expression_tree::operator!()
{ return expression_tree(*this, invalid_node(), op_element(UNARY_ARITHMETIC, NEGATE_TYPE), context_, INT_TYPE, shape()); }
Exemplo n.º 2
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 inline void check_node(Node* node)
 {
   if (node == 0 || node->left == node)
     throw invalid_node("node points to null or header node");
 }
Exemplo n.º 3
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expression_tree expression_tree::operator-()
{ return expression_tree(*this,  invalid_node(), op_element(UNARY_ARITHMETIC, SUB_TYPE), context_, dtype(), shape()); }