Sunday, November 9, 2008

IMPROVED TYPE SYSTEM



NOTE : -
THIS CONTENT IS NOT ORIGINAL

IMPROVED TYPE SYSTEM

Through the use of classes, user-defined types may be created, and if properly defined, C++ will behave as if they are one of the built-in types:int, char, float, and double. It is possible to define a Vector type and perform operations such as addition and multiplication just as easily as is done with ints:

// Define some arrays of doubles  double a[3] = { 11, 12, 13 };  double b[3] = { 21, 22, 23 };  // Initialize vectors from the // double arrays  Vector v1 = a;  Vector v2 = b;  // Add the two matrices.  Vector v3 = v1 + v2; 

The Vector class has been defined with all of the appropriate arithmetic operations so that it can be treated as a built-in type. It is even possible to define conversion operators so that we can convert the Vector to a double, we get the magnitude, or norm, of the Vector:

double norm = (double) v3;

BIBILOGRAPHY / REFERENCE : - http://www.acm.org/crossroads/xrds1-1/ovp.html

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