Hello,
Code:
#include <stdio.h>
#include <stdlib.h>
void inc(float*);
void inc2(float*);
void doub(float&);
void inc(float* j)
{
(*j)++;
}
void inc2(float* k)
{
(*k) += 1.5768;
printf("%2.4f\n", *k);
}
void doub(float& z)
{
z = z + z;
printf("%2.3f\n", z);
}
int main()
{
float i = 20;
float *p = &i;
float x = 20;
inc(p); //C & C++
printf("%2.3f\n", i);
inc2(p); //C & C++
printf("\n");
doub(x); //C++ not C
printf("%2.3f\n", x);
return 0;
}
Code:
Output :-
21.000
22.5768
40.000
40.000
Both methods work, but generally which is better to use, passing by *(pointer) or &(address)?
Regards