/usr/include/flint/fmpz_factorxx.h is in libflint-dev 2.5.2-17build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | /*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2013 Tom Bachmann
******************************************************************************/
#ifndef FMPZ_FACTORXX_H
#define FMPZ_FACTORXX_H
#include "fmpz_factor.h"
#include "fmpz_vec.h"
#include "flintxx/ltuple.h"
// TODO codegen
// TODO factor_pp1 multiple return values
namespace flint {
FLINT_DEFINE_THREEARY(factor_trial_range)
FLINT_DEFINE_UNOP(expand)
FLINT_DEFINE_UNOP(expand_iterative)
FLINT_DEFINE_UNOP(expand_multiexp)
namespace detail {
template<class Delay>
class fmpz_factorxx_delayed
{
private:
fmpz_factor_t inner;
void copy_init(const fmpz_factorxx_delayed& o)
{
_fmpz_factor_fit_length(inner, o.inner->num);
_fmpz_factor_set_length(inner, o.inner->num);
inner->sign = o.inner->sign;
for(slong i = 0;i < o.inner->num;++i)
{
fmpz_set(inner->p + i, o.inner->p + i);
inner->exp[i] = o.inner->exp[i];
}
}
public:
fmpz_factorxx_delayed() {fmpz_factor_init(inner);}
~fmpz_factorxx_delayed() {fmpz_factor_clear(inner);}
fmpz_factorxx_delayed(const fmpz_factorxx_delayed& o)
{
fmpz_factor_init(inner);
copy_init(o);
}
fmpz_factorxx_delayed& operator=(const fmpz_factorxx_delayed& o)
{
copy_init(o);
return *this;
}
bool operator==(const fmpz_factorxx_delayed& o)
{
if(o.sign() != sign() || o.size() != size())
return false;
for(ulong i = 0;i < size();++i)
if(p(i) != o.p(i) || exp(i) != o.exp(i))
return false;
return true;
}
ulong size() const {return inner->num;}
ulong exp(slong i) const {return inner->exp[i];}
ulong& exp(slong i) {return inner->exp[i];}
fmpzxx_srcref p(slong i) const {return fmpzxx_srcref::make(inner->p + i);}
fmpzxx_ref p(slong i) {return fmpzxx_ref::make(inner->p + i);}
int sign() const {return inner->sign;}
int& sign() {return inner->sign;}
fmpz_factor_t& _data() {return inner;}
const fmpz_factor_t& _data() const {return inner;}
void print() const {fmpz_factor_print(inner);}
template<class Fmpz>
typename mp::enable_if<traits::is_fmpzxx<Fmpz> >::type
set_factor(const Fmpz& f)
{
fmpz_factor(_data(), f.evaluate()._fmpz());
}
template<class T>
typename mp::enable_if<traits::fits_into_slong<T> >::type
set_factor(T t)
{
fmpz_factor_si(_data(), t);
}
template<class Fmpz>
typename mp::enable_if<traits::is_fmpzxx<Fmpz>, bool>::type
set_factor_trial_range(const Fmpz& f, ulong start, ulong nprimes)
{
return fmpz_factor_trial_range(_data(), f.evaluate()._fmpz(),
start, nprimes);
}
template<class Fmpz>
typename mp::enable_if<traits::is_fmpzxx<Fmpz>, bool>::type
set_factor_pp1(const Fmpz& f, ulong B1, ulong B2_sqrt, ulong c)
{
return fmpz_factor_pp1(_data(), f.evaluate()._fmpz(),
B1, B2_sqrt, c);
}
#define FLINTXX_DEFINE_MEMBER_UNOP_EXTRA(funcname, Class, rtype) \
FLINT_UNOP_BUILD_RETTYPE(funcname, rtype, Class) \
funcname() const {return flint::funcname(*this);}
FLINTXX_DEFINE_MEMBER_UNOP_EXTRA(expand, fmpz_factorxx_delayed, fmpzxx)
FLINTXX_DEFINE_MEMBER_UNOP_EXTRA(expand_iterative, fmpz_factorxx_delayed, fmpzxx)
FLINTXX_DEFINE_MEMBER_UNOP_EXTRA(expand_multiexp, fmpz_factorxx_delayed, fmpzxx)
};
} // detail
typedef detail::fmpz_factorxx_delayed<void> fmpz_factorxx;
template<class Fmpz>
inline typename mp::enable_if<mp::or_<
traits::is_fmpzxx<Fmpz>, traits::fits_into_slong<Fmpz> >,
fmpz_factorxx>::type factor(const Fmpz& f)
{
fmpz_factorxx res;
res.set_factor(f);
return res;
}
namespace rules {
namespace rdetail {
typedef make_ltuple<mp::make_tuple<bool, fmpz_factorxx>::type>::type
fmpz_factor_rt;
template<class T> struct signed_or_fmpz
: mp::or_<FMPZXX_COND_S<T>, traits::fits_into_slong<T> > { };
} // rdetail
FLINT_DEFINE_THREEARY_EXPR_COND3(factor_trial_range_op, rdetail::fmpz_factor_rt,
rdetail::signed_or_fmpz,
traits::is_unsigned_integer, traits::is_unsigned_integer,
to.template get<0>() = to.template get<1>().set_factor_trial_range(
e1, e2, e3))
FLINT_DEFINE_UNARY_EXPR_(expand_op, fmpzxx, fmpz_factorxx,
fmpz_factor_expand(to._fmpz(), from._data()))
FLINT_DEFINE_UNARY_EXPR_(expand_iterative_op, fmpzxx, fmpz_factorxx,
fmpz_factor_expand_iterative(to._fmpz(), from._data()))
FLINT_DEFINE_UNARY_EXPR_(expand_multiexp_op, fmpzxx, fmpz_factorxx,
fmpz_factor_expand_multiexp(to._fmpz(), from._data()))
} // rules
template<class Fmpz>
inline typename mp::enable_if<traits::is_fmpzxx<Fmpz>, fmpz_factorxx>::type
factor_pp1(const Fmpz& f, ulong B1, ulong B2_sqrt, ulong c)
{
fmpz_factorxx res;
res.set_factor_pp1(f, B1, B2_sqrt, c);
return res;
}
inline void print(const fmpz_factorxx& f)
{
f.print();
}
} // flint
#endif
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