/**
* Adds a new complex variable to the parser, or updates the value of an existing variable. This
* must be done before parsing an expression so the parser is aware that the new variable may be
* contained in the expression.
*
* @param name Name of the variable to be added
* @param re Initial real value or new real value for the variable
* @param im Initial imaginary value or new imaginary value for the variable
* @return Complex object of the variable
*/
public Complex addVariable(String name, double re, double im) {
Complex object = new Complex(re, im);
symTab.makeVarIfNeeded(name, object);
return object;
}
/**
* Adds a new variable to the parser as an object, or updates the value of an existing variable.
* This must be done before parsing an expression so the parser is aware that the new variable may
* be contained in the expression.
*
* @param name Name of the variable to be added
* @param object Initial value or new value for the variable
*/
public void addVariable(String name, Object object) {
symTab.makeVarIfNeeded(name, object);
}
/**
* Adds a new variable to the parser, or updates the value of an existing variable. This must be
* done before parsing an expression so the parser is aware that the new variable may be contained
* in the expression.
*
* @param name Name of the variable to be added
* @param value Initial value or new value for the variable
* @return Double object of the variable
*/
public Double addVariable(String name, double value) {
Double object = new Double(value);
symTab.makeVarIfNeeded(name, object);
return object;
}