GiNaC::composition_generator Class Reference

Generate all compositions of a partition of an integer n, starting with the compositions which has non-decreasing order. More...

#include <utils.h>

Classes
struct	coolmulti

Public Member Functions
	composition_generator (const std::vector< unsigned > &partition)
const std::vector< unsigned > &	get () const
bool	next ()

Private Attributes
struct GiNaC::composition_generator::coolmulti	cmgen
bool	atend
bool	trivial
std::vector< unsigned >	composition
bool	current_updated

Detailed Description

Generate all compositions of a partition of an integer n, starting with the compositions which has non-decreasing order.

Definition at line 395 of file utils.h.

Constructor & Destructor Documentation

composition_generator()

GiNaC::composition_generator::composition_generator ( const std::vector< unsigned > &  partition )

inlineexplicit

Definition at line 454 of file utils.h.

References trivial.

Member Function Documentation

get()

const std::vector< unsigned > & GiNaC::composition_generator::get ( ) const

inline

Definition at line 460 of file utils.h.

References cmgen, composition, current_updated, GiNaC::composition_generator::coolmulti::head, GiNaC::composition_generator::coolmulti::element::next, and GiNaC::composition_generator::coolmulti::element::value.

Referenced by GiNaC::power::expand_add().

next()

bool GiNaC::composition_generator::next ( )

inline

Definition at line 474 of file utils.h.

References atend, cmgen, current_updated, GiNaC::composition_generator::coolmulti::finished(), GiNaC::composition_generator::coolmulti::next_permutation(), and trivial.

Referenced by GiNaC::power::expand_add().

Member Data Documentation

cmgen

struct GiNaC::composition_generator::coolmulti GiNaC::composition_generator::cmgen

private

Referenced by get(), and next().

atend

bool GiNaC::composition_generator::atend

private

Definition at line 449 of file utils.h.

Referenced by next().

trivial

bool GiNaC::composition_generator::trivial

private

Definition at line 450 of file utils.h.

Referenced by composition_generator(), and next().

composition

std::vector<unsigned> GiNaC::composition_generator::composition

mutableprivate

Definition at line 451 of file utils.h.

Referenced by get().

current_updated

bool GiNaC::composition_generator::current_updated

mutableprivate

Definition at line 452 of file utils.h.

Referenced by get(), and next().

---

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

• utils.h