/**
* Evaluates the given ExpressionValue and returns the result in MathPiper syntax.
*
* @param resolveVariables: states whether variables from the GeoGebra kernel should be used. Note
* that this changes the given ExpressionValue.
*/
public synchronized String toMaximaString(ValidExpression ve, boolean resolveVariables) {
// resolve global variables
if (resolveVariables) {
casParser.resolveVariablesForCAS(ve);
}
// convert to Maxima String
String MaximaStr = doToMaximaString(ve, resolveVariables);
// handle assignments
String veLabel = ve.getLabel();
if (veLabel != null) {
StringBuilder sb = new StringBuilder();
if (ve instanceof FunctionNVar) {
// function, e.g. f(x) := 2*x
FunctionNVar fun = (FunctionNVar) ve;
sb.append(veLabel);
sb.append("(");
sb.append(fun.getVarString());
sb.append(") := ");
// evaluate right hand side:
// import for e.g. g(x) := Eval(D(x) x^2)
// sb.append("Eval(");
sb.append(MaximaStr);
// sb.append(")");
MaximaStr = sb.toString();
} else {
// assignment, e.g. a := 5
MaximaStr = veLabel + " := " + MaximaStr;
}
}
// TODO: remove
// System.out.println("CASmaxima.toMaxima: " + MaximaStr);
return MaximaStr;
}
