// file main.cpp
#include <stdio.h>
#include "line.hpp"
int main() {
 float ax, ay, bx, by;
 float dist;
 Line linha;
 ax = 1; ay = 2;
 bx = 3; by = 4;
 linha.SetExtremes(ax,ay,bx,by);
 dist = linha.GetLength();
 fprintf(stdout,"From (%3.1f,%3.1f) ",ax,ay);
 fprintf(stdout,"to (%3.1f,%3.1f) ",bx,by);
 fprintf(stdout,"is %12.8f long.\n",dist);
 return(0);
}
// end of file main.cpp