casting cpp

int main()
{
  short a = 2000;
  int b;
  b = (int)a; // c-like cast notation
  b = int(a); // functional notation
}

3.86
7

                                    casting

3.86 (7 Votes)
0
0
0
David White 145 points

                                    #include <iostream>
using namespace std;
int main(){
	int x = 4;
	int y = 2;
	cout<<"La divisione dei valori e': "<<(float)y/x<<endl;
}

0
0
4.2
10

                                    static_cast<int>(some_double);

4.2 (10 Votes)
0
0
0
Glebovg 95 points

                                    static_cast:
//does implicit conversions between types.
void* data;
pointer *pData = static_cast<pointer*>(data);

const_cast:
//this can be used to remove or add the const to a variable.
const char* characters;
const_cast<char*>(characters);

reinterpret_cast:
//this cast is dangerous since it turns one type directly into another.
struct S1 { int a; } s1;
int* p1 = reinterpret_cast<int*>(&s1);

0
0
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