samchon::library::CaseGenerator Class Reference

Case generator. More...

#include <CaseGenerator.hpp>

Public Member Functions
	CaseGenerator (size_t n, size_t r)
	Construct from size of N and R. More...
auto	size () const -> size_t
	Get size of all cases. More...
virtual auto	operator[] (size_t) const -> std::vector< size_t >=0
	Get x'th case. More...
auto	at (size_t) const -> std::vector< size_t >
auto	n () const -> size_t
	Get size of the N. More...
auto	r () const -> size_t
	Get size of the R. More...
auto	toMatrix () const -> std::vector< std::vector< size_t >>
	Create a matrix containing all cases. More...

Protected Attributes
size_t	n_
	N, size of the candidates. More...
size_t	r_
	R, size of elements of each case. More...
size_t	size_
	Size, the number of all cases. More...

Detailed Description

Case generator.

An abstract case generator using like a matrix

• nTTr(n^r) -> CombinedPermutationGenerator
• nPr -> PermutationGenerator
• n! -> FactorialGenerator

Example Sources

• example::packer

See also

samchon::library

Author

Jeongho Nam http://samchon.org

Definition at line 25 of file CaseGenerator.hpp.

Constructor & Destructor Documentation

CaseGenerator::CaseGenerator	(	size_t	n,
		size_t	r
	)

Construct from size of N and R.

Parameters

n	Size of candidates
r	Size of elements of each case

Definition at line 9 of file CaseGenerator.cpp.

Member Function Documentation

auto CaseGenerator::size

(

)

const -> size_t

Get size of all cases.

Returns

Get a number of the all cases

Definition at line 18 of file CaseGenerator.cpp.

Referenced by samchon::example::packer::Packer::optimize().

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virtual auto samchon::library::CaseGenerator::operator[] ( size_t  ) const -> std::vector< size_t >

pure virtual

Get x'th case.

Returns

The row of the x'th in combined permuation case

Implemented in samchon::library::CombinedPermutationGenerator, and samchon::library::PermutationGenerator.

auto CaseGenerator::at

(

size_t

index

)

const -> std::vector<size_t>

CaseGenerator::operator[]()

Definition at line 22 of file CaseGenerator.cpp.

auto CaseGenerator::n

(

)

const -> size_t

Get size of the N.

Definition at line 30 of file CaseGenerator.cpp.

Referenced by samchon::library::PermutationGenerator::PermutationGenerator().

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auto CaseGenerator::r

(

)

const -> size_t

Get size of the R.

Definition at line 34 of file CaseGenerator.cpp.

Referenced by samchon::library::CombinedPermutationGenerator::CombinedPermutationGenerator(), and samchon::library::PermutationGenerator::PermutationGenerator().

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auto CaseGenerator::toMatrix

(

)

const -> std::vector<std::vector<size_t>>

Create a matrix containing all cases.

Warning

Size of n or r is enourmouse, then stack overflow can be occured.

Returns

A matrix containing all cases.

Definition at line 42 of file CaseGenerator.cpp.

Member Data Documentation

size_t samchon::library::CaseGenerator::n_

protected

N, size of the candidates.

Definition at line 31 of file CaseGenerator.hpp.

Referenced by samchon::library::CombinedPermutationGenerator::operator[]().

size_t samchon::library::CaseGenerator::r_

protected

R, size of elements of each case.

Definition at line 36 of file CaseGenerator.hpp.

Referenced by samchon::library::CombinedPermutationGenerator::operator[](), and samchon::library::PermutationGenerator::operator[]().

size_t samchon::library::CaseGenerator::size_

protected

Size, the number of all cases.

Definition at line 41 of file CaseGenerator.hpp.

Referenced by samchon::library::CombinedPermutationGenerator::CombinedPermutationGenerator(), and samchon::library::PermutationGenerator::PermutationGenerator().

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The documentation for this class was generated from the following files:

• D:/OneDrive/Project/Samchon/framework/cpp/samchon/library/CaseGenerator.hpp
• D:/OneDrive/Project/Samchon/framework/cpp/samchon/library/CaseGenerator.cpp