Can't convert string into float/double

Question

I\'m writing a code for class where I take in input from a huge file (~850 lines) of data separated by commas. what I have so far is:

#include 
         


        

Answer 1

Tray this:

//this can be cause exeptions
Entry[i].Elevation = atof (Data[((i*10) + 2)].c_str());

NOTE: include cstdlib