public final double[] getCoords() {
// check if both ExpressionNodes represent NumberValues
ExpressionValue evx = x.evaluate();
if (!evx.isNumberValue()) {
String[] str = {"NumberExpected", evx.toString()};
throw new MyParseError(kernel.getApplication(), str);
}
ExpressionValue evy = y.evaluate();
if (!evy.isNumberValue()) {
String[] str = {"NumberExpected", evy.toString()};
throw new MyParseError(kernel.getApplication(), str);
}
ExpressionValue evz = z.evaluate();
if (!evz.isNumberValue()) {
String[] str = {"NumberExpected", evz.toString()};
throw new MyParseError(kernel.getApplication(), str);
}
double[] ret = {
((NumberValue) evx).getDouble(),
((NumberValue) evy).getDouble(),
((NumberValue) evz).getDouble()
};
return ret;
}
public final String toString() {
StringBuilder sb = new StringBuilder();
sb.append('(');
sb.append(x.toString());
sb.append(", ");
sb.append(y.toString());
sb.append(", ");
sb.append(z.toString());
sb.append(')');
return sb.toString();
}