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C++ sets class 1.0

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OS Support: Win2000, Win98, WinXP,

version 1.0

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Date added: 21 Jun 2014

Last Update: 15 Jan 2001

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The sets class can be used to perform set operations in your programs.

Abecedarical Systems


The sets class can be used to perform set operations in your programs. It represents set elements as bits in a private array of unsigned long integers. The array size is a defined constant which can be changed to suit your application. The sets class supports the following set operations by means of C++ operator overloading: (1) union -- The union of two sets A, B is the set of all elements which belong to either A or B. In the sets class, the symbol + is the binary union operator. (2) intersection -- The intersection of two sets A, B is the set of all elements which belong to both A and B. The symbol * is the binary intersection operator:

A * B = {x: x is in A -and- x is in B } (3) complement -- In set theory, sets are subsets of a fixed universal set U. In the sets class, U is the set of elements numbered from 1 to MAX_WORDS * WORD_SIZE. The complement of set A is the set of elements belonging to U but not belonging to A. The symbol ~ is the unary complement operator: ~A = {x: x is in U, x is not in A } (4) difference -- The difference of two sets A, B is the set of all elements which belong to A less those in B. The symbol - is the binary difference operator: A - B = {x: x is in A, x is not in B} (5) symmetric difference -- The symmetric difference of two sets A, B is the set of all elements which belong to A or to B, but not both.

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Tags: sets, class, c/c++,


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