#66_Default Data Types in class templates in C++

By

 #include <iostream>

using namespace std;
// Default Data Types in class templates in C++
template <class T1 = float, class T2 = float> //Default Data_types

class vector
{
    T1 x;
    T2 y;
    T2 z;

public:
    vector() {}
    vector(T1 x1, T2 y1, T2 z1)
    {
        x = x1;
        y = y1;
        z = z1;
    }
    vector crossProduct(vector v1, vector v2, vector &v3)
    {
        v3.x = (v2.z * v1.y) - (v1.z * v2.y);
        v3.y = (v2.z * v1.x) - (v1.z * v2.x);
        v3.z = (v2.x * v1.y) - (v1.x * v2.y);
        return v3;
    }
    void display(vector v1, vector v2, vector v3)
    {
        cout << "The cross product of (" << v1.x << ", " << v1.y << ", " << v1.z << ") and (" << v2.x << ", " << v2.y << ", " << v2.z << ") is (" << v3.x << ", " << v3.y << ", " << v3.z << ")" << endl;
    }
};

int main()
{
    vector<> v1(10.2, 0.4, 1), v2(40, 1.1, 0), v3; //Will use default data types
    v1.display(v1, v2, v1.crossProduct(v1, v2, v3));

    vector<int, int> v_1(12, 10, 4), v_2(5, 9, 3), v_3; //Will pass manual data types
    v_1.display(v_1, v_2, v_1.crossProduct(v_1, v_2, v_3));
    return 0;
}

Comments

Post a Comment

Popular posts from this blog

#19_(2)Functions in C

By
  # include   <stdio.h> //With argument without return value void   mohit ( int   n ) {      for  ( int   i  =  1 ;  i  <  n ;  i ++)     {          printf ( "%c \n " ,  '*' );    //without return value     }      } int   main () {      mohit ( 5 );     //With argument      return   0 ; }
Read more

Ch7_32_MethodOverloading

By
  package com.company ; public class Ch7_32_MethodOverloading { static void greet () { // no return type (void) with no parameters System . out . println ( "Hello, Nice to meet you" ); } static void add ( int x , int y ) { // void return with parameter x and y int z = x + y ; System . out . println ( "The addition of " + x + " and " + y + " is: " + z ); } static void func () { System . out . println ( "The function has no value in it." ); } static void func ( int x ) { System . out . println ( "The value in the function is : " + x ); } static void func ( int x , int y ) { System . out . println ( "The value in the function is : " + x + " " + y ); } static void func ( int x , int y , int x1 ) { System . out . println ( "The value in the function is : " + x + " " + y + " " + x1 ); ...
Read more

PS_Ch7_Q8

By
  package com.company.Ch7_35_PracticeSet ; public class PS_Ch7_Q8 { static void pattern ( int n ) { if ( n > 0 ) { pattern ( n - 1 ); for ( int i = 0 ; i < n ; i ++) { System . out . print ( "*" ); } System . out . println (); } } public static void main ( String [] args ) { pattern ( 5 ); } }
Read more