Convert character array to float?

Question

I\'m writing a very basic command line C++ application that takes arguments on execution.

I just started C++ today, and it seems apparent that you can only take

Answer 1

A char** in C++ is just that, an pointer to a pointer to a character, thus not convertable to a float (Or any numeric value for that matter) directly Thus your first example will fail. You can use the intermediary functions atof or strtof (note strtof, not stof, why your second example fails) to convert these values, assuming you are sure they are actually in float form.