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/*
* ecgen, tool for generating Elliptic curve domain parameters
* Copyright (C) 2017-2018 J08nY
*/
/**
* @file subgroup.h
*/
#ifndef ECGEN_MATH_SUBGROUPS_H
#define ECGEN_MATH_SUBGROUPS_H
#include <pari/pari.h>
#include "misc/types.h"
/**
* @brief All prime factors of a given integer, without multipliticity.
*
* subgroups_factors(27) = [3]
* @param order
* @return a t_VEC of prime factors.
*/
GEN subgroups_prime(GEN order);
/**
* @brief All nonprime subgroup orders of a given integer.
* @param order
* @return a t_VEC of nonprime factors.
*/
GEN subgroups_nonprime(GEN order);
/**
* @brief All all subgroup orders of a given integer.
* @param order
* @return a t_VEC of all factors.
*/
GEN subgroups_all(GEN order);
#endif // ECGEN_MATH_SUBGROUPS_H
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