/**
* Applies differentiation to a function. Used the rules specified by objects of type {@link
* DiffRulesI}.
*
* @param node The node of the function.
* @param data The variable to differentiate wrt.
*/
public Object visit(ASTFunNode node, Object data) throws ParseException {
String name = node.getName();
// System.out.println("FUN: "+ node + " nchild "+nchild);
Node children[] = TreeUtils.getChildrenAsArray(node);
Node dchildren[] = acceptChildrenAsArray(node, data);
if (node.getPFMC() instanceof DiffRulesI) {
return ((DiffRulesI) node.getPFMC())
.differentiate(node, (String) data, children, dchildren, localDJep);
}
DiffRulesI rules = (DiffRulesI) diffRules.get(name);
if (rules != null)
return rules.differentiate(node, (String) data, children, dchildren, localDJep);
throw new ParseException("Sorry I don't know how to differentiate " + node + "\n");
}
