}
/**
- * Return the vector of values of this formula.
+ * Return the result of the Fomula in a vector. If there were no Vector
+ * components to the Formula, then the vector is size 1. If there were,
+ * like x/y with x being a vector of size 3, then the result returned will
+ * be x[0]/y, x[1]/y, x[2]/y, respectively.
* @return The result vector.
*/
const rvec_t &val() const { return root->val(); }
/**
- * Return the total of the result vector.
+ * Return the total Formula result. If there is a Vector component to this
+ * Formula, then this is the result of the Formula if the formula is applied
+ * after summing all the components of the Vector. For example, if Formula
+ * is x/y where x is size 3, then total() will return (x[1]+x[2]+x[3])/y. If there is no
+ * Vector component, total() returns the same value as the first entry in the rvec_t
+ * val() returns.
* @return The total of the result vector.
*/
result_t total() const { return root->total(); }