Macro de CPP
//INCLUDING BUILT-IN LIBRARIES...
#include <iostream>
#include <stdlib.h>
//PRE-DEFINE CONSTANT VALUES...
#define MAXNUM -12 //defining an integer
#define PI 3.1415 //defining a float
#define END "\n\n\t\tProgram has ended!!\n" //defining a string
//PRE-DEFINING CONSTANT OPERATIONS...
#define ADD(a, b, c) (a + b + c) //Operation that will add its 3 parameters
using namespace std;
int main(){
//using other definitions to check if the current device is Windows or UNIX
#ifdef _WIN32
cout<<"Windows Operating System Detected"<<endl;
#elif __unix__
cout<<"UNIX Operating System Detected"<<endl;
#else
cout<<"Operating System could NOT be identified!"<<endl;
#endif
cout<<endl<<"Using pre-defined values and operations: "<<endl;
cout<<" • MAXNUM: "<<MAXNUM<<endl; //using pre-defined integer
cout<<" • PI: "<<PI<<endl; //using pre-defined float
cout<<" • ADD(): "<<ADD(2,5,99.5)<<endl; //using pre-defined function
cout<<END; //using pre-defined string
return 0;
}
ALeonidou
