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fmpz_poly.h
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fmpz_poly.h
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/*=============================================================================
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) 2006, 2007, 2008, 2009, 2010 William Hart
Copyright (C) 2009, 2011 Andy Novocin
Copyright (C) 2010 Sebastian Pancratz
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#ifndef FMPZ_POLY_H
#define FMPZ_POLY_H
#undef ulong /* interferes with system includes */
#include <stdio.h>
#define ulong unsigned long
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_vec.h"
#include "nmod_poly.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Type definitions *********************************************************/
typedef struct
{
fmpz * coeffs;
long alloc;
long length;
} fmpz_poly_struct;
typedef fmpz_poly_struct fmpz_poly_t[1];
typedef struct {
fmpz c;
fmpz_poly_struct *p;
long *exp;
long num;
long alloc;
} fmpz_poly_factor_struct;
typedef fmpz_poly_factor_struct fmpz_poly_factor_t[1];
/* Memory management ********************************************************/
void fmpz_poly_init(fmpz_poly_t poly);
void fmpz_poly_init2(fmpz_poly_t poly, long alloc);
void fmpz_poly_realloc(fmpz_poly_t poly, long alloc);
void fmpz_poly_fit_length(fmpz_poly_t poly, long len);
void fmpz_poly_clear(fmpz_poly_t poly);
void _fmpz_poly_normalise(fmpz_poly_t poly);
static __inline__
void _fmpz_poly_set_length(fmpz_poly_t poly, long newlen)
{
if (poly->length > newlen)
{
long i;
for (i = newlen; i < poly->length; i++)
_fmpz_demote(poly->coeffs + i);
}
poly->length = newlen;
}
/* Polynomial parameters ***************************************************/
static __inline__
long fmpz_poly_length(const fmpz_poly_t poly)
{
return poly->length;
}
static __inline__
long fmpz_poly_degree(const fmpz_poly_t poly)
{
return poly->length - 1;
}
/* Assignment and basic manipulation ***************************************/
void fmpz_poly_set(fmpz_poly_t poly1, const fmpz_poly_t poly2);
void fmpz_poly_set_ui(fmpz_poly_t poly, ulong c);
void fmpz_poly_set_si(fmpz_poly_t poly, long c);
void fmpz_poly_set_fmpz(fmpz_poly_t poly, const fmpz_t c);
void fmpz_poly_set_mpz(fmpz_poly_t poly, const mpz_t c);
int _fmpz_poly_set_str(fmpz * poly, const char * str);
int fmpz_poly_set_str(fmpz_poly_t poly, const char * str);
char * _fmpz_poly_get_str(const fmpz * poly, long len);
char * fmpz_poly_get_str(const fmpz_poly_t poly);
char * _fmpz_poly_get_str_pretty(const fmpz * poly, long len, const char * x);
char * fmpz_poly_get_str_pretty(const fmpz_poly_t poly, const char * x);
static __inline__
void fmpz_poly_zero(fmpz_poly_t poly)
{
_fmpz_poly_set_length(poly, 0);
}
static __inline__
void fmpz_poly_one(fmpz_poly_t poly)
{
fmpz_poly_set_ui(poly, 1UL);
}
void fmpz_poly_zero_coeffs(fmpz_poly_t poly, long i, long j);
void fmpz_poly_swap(fmpz_poly_t poly1, fmpz_poly_t poly2);
void _fmpz_poly_reverse(fmpz * res, const fmpz * poly, long len, long n);
void fmpz_poly_reverse(fmpz_poly_t res, const fmpz_poly_t poly, long n);
static __inline__
void fmpz_poly_truncate(fmpz_poly_t poly, long newlen)
{
if (poly->length > newlen)
{
long i;
for (i = newlen; i < poly->length; i++)
_fmpz_demote(poly->coeffs + i);
poly->length = newlen;
_fmpz_poly_normalise(poly);
}
}
/* Randomisation ***********************************************************/
void fmpz_poly_randtest(fmpz_poly_t f, flint_rand_t state,
long len, mp_bitcnt_t bits);
void fmpz_poly_randtest_unsigned(fmpz_poly_t f, flint_rand_t state,
long len, mp_bitcnt_t bits);
void fmpz_poly_randtest_not_zero(fmpz_poly_t f, flint_rand_t state,
long len, mp_bitcnt_t bits);
/* Getting and setting coefficients ****************************************/
long fmpz_poly_get_coeff_si(const fmpz_poly_t poly, long n);
void fmpz_poly_set_coeff_si(fmpz_poly_t poly, long n, long x);
ulong fmpz_poly_get_coeff_ui(const fmpz_poly_t poly, long n);
void fmpz_poly_set_coeff_ui(fmpz_poly_t poly, long n, ulong x);
void fmpz_poly_set_coeff_fmpz(fmpz_poly_t poly, long n, const fmpz_t x);
void fmpz_poly_get_coeff_fmpz(fmpz_t x, const fmpz_poly_t poly, long n);
#define fmpz_poly_get_coeff_ptr(poly, n) \
((n) < (poly)->length ? (poly)->coeffs + (n) : NULL)
#define fmpz_poly_lead(poly) \
((poly)->length ? (poly)->coeffs + (poly)->length - 1 : NULL)
/* Comparison **************************************************************/
int fmpz_poly_equal(const fmpz_poly_t poly1, const fmpz_poly_t poly2);
#define fmpz_poly_is_zero(poly) \
((poly)->length == 0)
static __inline__
int _fmpz_poly_is_one(const fmpz *poly, long len)
{
return (len > 0 && fmpz_is_one(poly)
&& _fmpz_vec_is_zero(poly + 1, len - 1));
}
static __inline__
int fmpz_poly_is_one(const fmpz_poly_t op)
{
return (op->length) == 1 && (*(op->coeffs) == 1L);
}
static __inline__
int fmpz_poly_is_unit(const fmpz_poly_t op)
{
return (op->length == 1) && (*(op->coeffs) == 1L || *(op->coeffs) == -1L);
}
static __inline__
int fmpz_poly_equal_fmpz(const fmpz_poly_t poly, const fmpz_t c)
{
return ((poly->length == 0) && fmpz_is_zero(c)) ||
((poly->length == 1) && fmpz_equal(poly->coeffs, c));
}
/* Addition and subtraction ************************************************/
void _fmpz_poly_add(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_add(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
void _fmpz_poly_sub(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_sub(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
void fmpz_poly_neg(fmpz_poly_t res, const fmpz_poly_t poly);
/* Scalar multiplication and division **************************************/
void fmpz_poly_scalar_mul_ui(fmpz_poly_t poly1,
const fmpz_poly_t poly2, ulong x);
void fmpz_poly_scalar_mul_si(fmpz_poly_t poly1,
const fmpz_poly_t poly2, long x);
void fmpz_poly_scalar_mul_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x);
void fmpz_poly_scalar_addmul_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x);
void fmpz_poly_scalar_submul_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x);
void fmpz_poly_scalar_fdiv_ui(fmpz_poly_t poly1,
const fmpz_poly_t poly2, ulong x);
void fmpz_poly_scalar_fdiv_si(fmpz_poly_t poly1,
const fmpz_poly_t poly2, long x);
void fmpz_poly_scalar_fdiv_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x);
void fmpz_poly_scalar_tdiv_ui(fmpz_poly_t poly1,
const fmpz_poly_t poly2, ulong x);
void fmpz_poly_scalar_tdiv_si(fmpz_poly_t poly1,
const fmpz_poly_t poly2, long x);
void fmpz_poly_scalar_tdiv_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x);
void fmpz_poly_scalar_divexact_ui(fmpz_poly_t poly1,
const fmpz_poly_t poly2, ulong x);
void fmpz_poly_scalar_divexact_si(fmpz_poly_t poly1,
const fmpz_poly_t poly2, long x);
void fmpz_poly_scalar_divexact_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x);
void fmpz_poly_scalar_fdiv_2exp(fmpz_poly_t poly1, const fmpz_poly_t poly2,
ulong exp);
void fmpz_poly_scalar_tdiv_2exp(fmpz_poly_t poly1, const fmpz_poly_t poly2,
ulong exp);
void fmpz_poly_scalar_mul_2exp(fmpz_poly_t poly1, const fmpz_poly_t poly2,
ulong exp);
static __inline__
void fmpz_poly_scalar_mod_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x)
{
if (poly2->length == 0)
{
fmpz_poly_zero(poly1);
}
else
{
fmpz_poly_fit_length(poly1, poly2->length);
_fmpz_vec_scalar_mod_fmpz(poly1->coeffs, poly2->coeffs, poly2->length, x);
_fmpz_poly_set_length(poly1, poly2->length);
_fmpz_poly_normalise(poly1);
}
}
static __inline__
void fmpz_poly_scalar_smod_fmpz(fmpz_poly_t poly1,
const fmpz_poly_t poly2, const fmpz_t x)
{
if (poly2->length == 0)
{
fmpz_poly_zero(poly1);
}
else
{
fmpz_poly_fit_length(poly1, poly2->length);
_fmpz_vec_scalar_smod_fmpz(poly1->coeffs, poly2->coeffs, poly2->length, x);
_fmpz_poly_set_length(poly1, poly2->length);
_fmpz_poly_normalise(poly1);
}
}
/* Bit packing *************************************************************/
void _fmpz_poly_bit_pack(mp_ptr arr, const fmpz * poly,
long len, mp_bitcnt_t bit_size, int negate);
int _fmpz_poly_bit_unpack(fmpz * poly, long len,
mp_srcptr arr, mp_bitcnt_t bit_size, int negate);
void _fmpz_poly_bit_unpack_unsigned(fmpz * poly, long len,
mp_srcptr arr, mp_bitcnt_t bit_size);
void fmpz_poly_bit_pack(fmpz_t f, const fmpz_poly_t poly,
mp_bitcnt_t bit_size);
void fmpz_poly_bit_unpack(fmpz_poly_t poly, const fmpz_t f,
mp_bitcnt_t bit_size);
void fmpz_poly_bit_unpack_unsigned(fmpz_poly_t poly, const fmpz_t f,
mp_bitcnt_t bit_size);
/* Multiplication **********************************************************/
void _fmpz_poly_mul_classical(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_mul_classical(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void _fmpz_poly_mullow_classical(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2, long n);
void fmpz_poly_mullow_classical(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2, long n);
void _fmpz_poly_mulhigh_classical(fmpz * res, const fmpz * poly1,
long len1, const fmpz * poly2, long len2, long start);
void fmpz_poly_mulhigh_classical(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long start);
void _fmpz_poly_mulmid_classical(fmpz * res, const fmpz * poly1,
long len1, const fmpz * poly2, long len2);
void fmpz_poly_mulmid_classical(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void fmpz_poly_mul_karatsuba(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void _fmpz_poly_mul_karatsuba(fmpz * res, const fmpz * poly1,
long len1, const fmpz * poly2, long len2);
void _fmpz_poly_mullow_karatsuba_n(fmpz * res, const fmpz * poly1,
const fmpz * poly2, long n);
void fmpz_poly_mullow_karatsuba_n(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long n);
void _fmpz_poly_mulhigh_karatsuba_n(fmpz * res, const fmpz * poly1,
const fmpz * poly2, long len);
void fmpz_poly_mulhigh_karatsuba_n(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long length);
void _fmpz_poly_mul_KS(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_mul_KS(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void _fmpz_poly_mullow_KS(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2, long n);
void fmpz_poly_mullow_KS(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2, long n);
void _fmpz_poly_mul_SS(fmpz * output, const fmpz * input1, long length1,
const fmpz * input2, long length2);
void fmpz_poly_mul_SS(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void _fmpz_poly_mullow_SS(fmpz * output, const fmpz * input1, long length1,
const fmpz * input2, long length2, long n);
void fmpz_poly_mullow_SS(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long n);
void _fmpz_poly_mul(fmpz * res, const fmpz * poly1,
long len1, const fmpz * poly2, long len2);
void fmpz_poly_mul(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void _fmpz_poly_mullow(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2, long n);
void fmpz_poly_mullow(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long n);
void fmpz_poly_mulhigh_n(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long n);
/* Squaring ******************************************************************/
void _fmpz_poly_sqr_KS(fmpz * rop, const fmpz * op, long len);
void fmpz_poly_sqr_KS(fmpz_poly_t rop, const fmpz_poly_t op);
void fmpz_poly_sqr_karatsuba(fmpz_poly_t rop, const fmpz_poly_t op);
void _fmpz_poly_sqr_karatsuba(fmpz * rop, const fmpz * op, long len);
void _fmpz_poly_sqr_classical(fmpz * rop, const fmpz * op, long len);
void fmpz_poly_sqr_classical(fmpz_poly_t rop, const fmpz_poly_t op);
void _fmpz_poly_sqr(fmpz * rop, const fmpz * op, long len);
void fmpz_poly_sqr(fmpz_poly_t rop, const fmpz_poly_t op);
void _fmpz_poly_sqrlow_KS(fmpz * res, const fmpz * poly, long len, long n);
void fmpz_poly_sqrlow_KS(fmpz_poly_t res, const fmpz_poly_t poly, long n);
void _fmpz_poly_sqrlow_karatsuba_n(fmpz * res, const fmpz * poly, long n);
void fmpz_poly_sqrlow_karatsuba_n(fmpz_poly_t res, const fmpz_poly_t poly, long n);
void _fmpz_poly_sqrlow_classical(fmpz * res, const fmpz * poly, long len, long n);
void fmpz_poly_sqrlow_classical(fmpz_poly_t res, const fmpz_poly_t poly, long n);
void _fmpz_poly_sqrlow(fmpz * res, const fmpz * poly, long len, long n);
void fmpz_poly_sqrlow(fmpz_poly_t res, const fmpz_poly_t poly, long n);
/* Powering ****************************************************************/
void _fmpz_poly_pow_multinomial(fmpz * res, const fmpz * poly, long len, ulong e);
void fmpz_poly_pow_multinomial(fmpz_poly_t res, const fmpz_poly_t poly, ulong e);
void _fmpz_poly_pow_binomial(fmpz * res, const fmpz * poly, ulong e);
void fmpz_poly_pow_binomial(fmpz_poly_t res, const fmpz_poly_t poly, ulong e);
void _fmpz_poly_pow_binexp(fmpz * res, const fmpz * poly, long len, ulong e);
void fmpz_poly_pow_binexp(fmpz_poly_t res, const fmpz_poly_t poly, ulong e);
void _fmpz_poly_pow_addchains(fmpz * res, const fmpz * poly, long len, const int * a, int n);
void fmpz_poly_pow_addchains(fmpz_poly_t res, const fmpz_poly_t poly, ulong e);
void _fmpz_poly_pow_small(fmpz * res, const fmpz * poly, long len, ulong e);
void _fmpz_poly_pow(fmpz * res, const fmpz * poly, long len, ulong e);
void fmpz_poly_pow(fmpz_poly_t res, const fmpz_poly_t poly, ulong e);
void _fmpz_poly_pow_trunc(fmpz * res, const fmpz * poly, ulong e, long n);
void
fmpz_poly_pow_trunc(fmpz_poly_t res, const fmpz_poly_t poly, ulong e, long n);
/* Shifting ****************************************************************/
void _fmpz_poly_shift_left(fmpz * res, const fmpz * poly, long len, long n);
void _fmpz_poly_shift_right(fmpz * res, const fmpz * poly, long len, long n);
void fmpz_poly_shift_left(fmpz_poly_t res, const fmpz_poly_t poly, long n);
void fmpz_poly_shift_right(fmpz_poly_t res, const fmpz_poly_t poly, long n);
/* Norms *******************************************************************/
void _fmpz_poly_2norm(fmpz_t res, const fmpz * poly, long len);
void fmpz_poly_2norm(fmpz_t res, const fmpz_poly_t poly);
mp_bitcnt_t _fmpz_poly_2norm_normalised_bits(const fmpz * poly, long len);
static __inline__
ulong fmpz_poly_max_limbs(const fmpz_poly_t poly)
{
return _fmpz_vec_max_limbs(poly->coeffs, poly->length);
}
static __inline__
long fmpz_poly_max_bits(const fmpz_poly_t poly)
{
return _fmpz_vec_max_bits(poly->coeffs, poly->length);
}
static __inline__ void
fmpz_poly_height(fmpz_t res, const fmpz_poly_t poly)
{
_fmpz_vec_height(res, poly->coeffs, poly->length);
}
/* Greatest common divisor *************************************************/
void _fmpz_poly_gcd_subresultant(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_gcd_subresultant(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
int _fmpz_poly_gcd_heuristic(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
int fmpz_poly_gcd_heuristic(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void _fmpz_poly_gcd_modular(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_gcd_modular(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
void _fmpz_poly_gcd(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_gcd(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
void _fmpz_poly_lcm(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_lcm(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
void _fmpz_poly_resultant(fmpz_t res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_resultant(fmpz_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
void _fmpz_poly_xgcd_modular(fmpz_t r, fmpz * s, fmpz * t,
const fmpz * poly1, long len1, const fmpz * poly2, long len2);
void fmpz_poly_xgcd_modular(fmpz_t r, fmpz_poly_t s, fmpz_poly_t t,
const fmpz_poly_t poly1, const fmpz_poly_t poly2);
static __inline__
void _fmpz_poly_xgcd(fmpz_t r, fmpz * s, fmpz * t,
const fmpz * poly1, long len1, const fmpz * poly2, long len2)
{
_fmpz_poly_xgcd_modular(r, s, t, poly1, len1, poly2, len2);
}
static __inline__
void fmpz_poly_xgcd(fmpz_t r, fmpz_poly_t s, fmpz_poly_t t,
const fmpz_poly_t poly1, const fmpz_poly_t poly2)
{
fmpz_poly_xgcd_modular(r, s, t, poly1, poly2);
}
/* Gaussian content ********************************************************/
void _fmpz_poly_content(fmpz_t res, const fmpz * poly, long len);
void fmpz_poly_content(fmpz_t res, const fmpz_poly_t poly);
void _fmpz_poly_primitive_part(fmpz * res, const fmpz * poly, long len);
void fmpz_poly_primitive_part(fmpz_poly_t res, const fmpz_poly_t poly);
/* Euclidean division ******************************************************/
void _fmpz_poly_divrem_basecase(fmpz * Q, fmpz * R, const fmpz * A,
long lenA, const fmpz * B, long lenB);
void fmpz_poly_divrem_basecase(fmpz_poly_t Q, fmpz_poly_t R,
const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_divrem_divconquer_recursive(fmpz * Q, fmpz * BQ, fmpz * W,
const fmpz * A, const fmpz * B, long lenB);
void _fmpz_poly_divrem_divconquer(fmpz * Q, fmpz * R,
const fmpz * A, long lenA, const fmpz * B, long lenB);
void fmpz_poly_divrem_divconquer(fmpz_poly_t Q, fmpz_poly_t R,
const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_divrem(fmpz * Q, fmpz * R, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_divrem(fmpz_poly_t Q, fmpz_poly_t R, const fmpz_poly_t A,
const fmpz_poly_t B);
void _fmpz_poly_div_basecase(fmpz * Q, fmpz * R, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_div_basecase(fmpz_poly_t Q,
const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_divremlow_divconquer_recursive(fmpz * Q, fmpz * QB,
const fmpz * A, const fmpz * B, long lenB);
void _fmpz_poly_div_divconquer_recursive(fmpz * Q, fmpz * temp,
const fmpz * A, const fmpz * B, long lenB);
void _fmpz_poly_div_divconquer(fmpz * Q, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_div_divconquer(fmpz_poly_t Q,
const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_div(fmpz * Q, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_div(fmpz_poly_t Q, const fmpz_poly_t A,
const fmpz_poly_t B);
void _fmpz_poly_rem_basecase(fmpz * Q, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_rem_basecase(fmpz_poly_t R,
const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_rem(fmpz * R, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_rem(fmpz_poly_t R, const fmpz_poly_t A, const fmpz_poly_t B);
void
fmpz_poly_div_root(fmpz_poly_t Q, const fmpz_poly_t A, const fmpz_t c);
void
_fmpz_poly_div_root(fmpz * Q, const fmpz * A, long len, const fmpz_t c);
/* Power series division ***************************************************/
void _fmpz_poly_inv_series_newton(fmpz * Qinv, const fmpz * Q, long n);
void fmpz_poly_inv_series_newton(fmpz_poly_t Qinv, const fmpz_poly_t Q, long n);
static __inline__ void
_fmpz_poly_inv_series(fmpz * Qinv, const fmpz * Q, long n)
{
_fmpz_poly_inv_series_newton(Qinv, Q, n);
}
static __inline__ void
fmpz_poly_inv_series(fmpz_poly_t Qinv, const fmpz_poly_t Q, long n)
{
fmpz_poly_inv_series_newton(Qinv, Q, n);
}
void _fmpz_poly_div_series(fmpz * Q, const fmpz * A, const fmpz * B, long n);
void fmpz_poly_div_series(fmpz_poly_t Q, const fmpz_poly_t A,
const fmpz_poly_t B, long n);
/* Divisibility testing ***************************************************/
int _fmpz_poly_divides(fmpz * q, const fmpz * a,
long len1, const fmpz * b, long len2);
int fmpz_poly_divides(fmpz_poly_t q, const fmpz_poly_t a, const fmpz_poly_t b);
/* Pseudo division *********************************************************/
void _fmpz_poly_pseudo_divrem_basecase(fmpz * Q, fmpz * R, ulong * d,
const fmpz * A, long A_len, const fmpz * B, long B_len);
void fmpz_poly_pseudo_divrem_basecase(fmpz_poly_t Q, fmpz_poly_t R,
ulong * d, const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_pseudo_divrem_divconquer(fmpz * Q, fmpz * R, ulong * d,
const fmpz * A, long lenA, const fmpz * B, long lenB);
void fmpz_poly_pseudo_divrem_divconquer(fmpz_poly_t Q, fmpz_poly_t R,
ulong * d, const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_pseudo_divrem_cohen(fmpz * Q, fmpz * R, const fmpz * A,
long lenA, const fmpz * B, long lenB);
void fmpz_poly_pseudo_divrem_cohen(fmpz_poly_t Q, fmpz_poly_t R,
const fmpz_poly_t A, const fmpz_poly_t B);
void _fmpz_poly_pseudo_rem_cohen(fmpz * R, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_pseudo_rem_cohen(fmpz_poly_t R, const fmpz_poly_t A,
const fmpz_poly_t B);
static __inline__
void _fmpz_poly_pseudo_divrem(fmpz * Q, fmpz * R, ulong * d,
const fmpz * A, long A_len, const fmpz * B, long B_len)
{
_fmpz_poly_pseudo_divrem_divconquer(Q, R, d, A, A_len, B, B_len);
}
static __inline__
void fmpz_poly_pseudo_divrem(fmpz_poly_t Q, fmpz_poly_t R,
ulong * d, const fmpz_poly_t A, const fmpz_poly_t B)
{
fmpz_poly_pseudo_divrem_divconquer(Q, R, d, A, B);
}
void _fmpz_poly_pseudo_div(fmpz * Q, ulong * d, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_pseudo_div(fmpz_poly_t Q, ulong * d, const fmpz_poly_t A,
const fmpz_poly_t B);
void _fmpz_poly_pseudo_rem(fmpz * R, ulong * d, const fmpz * A, long lenA,
const fmpz * B, long lenB);
void fmpz_poly_pseudo_rem(fmpz_poly_t R, ulong * d, const fmpz_poly_t A,
const fmpz_poly_t B);
/* Derivative **************************************************************/
void _fmpz_poly_derivative(fmpz * rpoly, const fmpz * poly, long len);
void fmpz_poly_derivative(fmpz_poly_t res, const fmpz_poly_t poly);
/* Evaluation **************************************************************/
void
_fmpz_poly_evaluate_divconquer_fmpz(fmpz_t res, const fmpz * poly, long len,
const fmpz_t a);
void fmpz_poly_evaluate_divconquer_fmpz(fmpz_t res, const fmpz_poly_t poly,
const fmpz_t a);
void _fmpz_poly_evaluate_horner_fmpz(fmpz_t res, const fmpz * f, long len,
const fmpz_t a);
void fmpz_poly_evaluate_horner_fmpz(fmpz_t res, const fmpz_poly_t f,
const fmpz_t a);
void _fmpz_poly_evaluate_fmpz(fmpz_t res, const fmpz * f, long len, const fmpz_t a);
void fmpz_poly_evaluate_fmpz(fmpz_t res, const fmpz_poly_t f, const fmpz_t a);
void _fmpz_poly_evaluate_horner_mpq(fmpz_t rnum, fmpz_t rden,
const fmpz * f, long len,
const fmpz_t anum, const fmpz_t aden);
void fmpz_poly_evaluate_horner_mpq(mpq_t res, const fmpz_poly_t f,
const mpq_t a);
void _fmpz_poly_evaluate_mpq(fmpz_t rnum, fmpz_t rden,
const fmpz * f, long len,
const fmpz_t anum, const fmpz_t aden);
void fmpz_poly_evaluate_mpq(mpq_t res, const fmpz_poly_t f, const mpq_t a);
mp_limb_t _fmpz_poly_evaluate_mod(const fmpz * poly, long len, mp_limb_t a,
mp_limb_t n, mp_limb_t ninv);
mp_limb_t fmpz_poly_evaluate_mod(const fmpz_poly_t poly, mp_limb_t a,
mp_limb_t n);
void
_fmpz_poly_evaluate_divconquer(fmpz * res, const fmpz * poly, long len,
const fmpz_t x);
void
fmpz_poly_evaluate_divconquer(fmpz_t res,
const fmpz_poly_t poly, const fmpz_t x);
/* Composition *************************************************************/
void _fmpz_poly_compose_horner(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_compose_horner(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
void _fmpz_poly_compose_divconquer(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_compose_divconquer(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
void _fmpz_poly_compose(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2);
void fmpz_poly_compose(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_poly_t poly2);
/* Taylor shift ************************************************************/
void _fmpz_poly_taylor_shift_horner(fmpz * poly, const fmpz_t c, long n);
void fmpz_poly_taylor_shift_horner(fmpz_poly_t g, const fmpz_poly_t f,
const fmpz_t c);
void _fmpz_poly_taylor_shift_divconquer(fmpz * poly, const fmpz_t c, long n);
void fmpz_poly_taylor_shift_divconquer(fmpz_poly_t g, const fmpz_poly_t f,
const fmpz_t c);
void _fmpz_poly_taylor_shift(fmpz * poly, const fmpz_t c, long n);
void fmpz_poly_taylor_shift(fmpz_poly_t g, const fmpz_poly_t f, const fmpz_t c);
/* Power series composition and compositional inverse **********************/
void
_fmpz_poly_compose_series_brent_kung(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2, long n);
void
fmpz_poly_compose_series_brent_kung(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long n);
void
_fmpz_poly_compose_series_horner(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2, long n);
void
fmpz_poly_compose_series_horner(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long n);
void
_fmpz_poly_compose_series(fmpz * res, const fmpz * poly1, long len1,
const fmpz * poly2, long len2, long n);
void
fmpz_poly_compose_series(fmpz_poly_t res,
const fmpz_poly_t poly1, const fmpz_poly_t poly2, long n);
void
_fmpz_poly_revert_series_lagrange(fmpz * Qinv, const fmpz * Q, long n);
void
fmpz_poly_revert_series_lagrange(fmpz_poly_t Qinv, const fmpz_poly_t Q, long n);
void
_fmpz_poly_revert_series_lagrange_fast(fmpz * Qinv, const fmpz * Q, long n);
void
fmpz_poly_revert_series_lagrange_fast(fmpz_poly_t Qinv,
const fmpz_poly_t Q, long n);
void
_fmpz_poly_revert_series_newton(fmpz * Qinv, const fmpz * Q, long n);
void
fmpz_poly_revert_series_newton(fmpz_poly_t Qinv, const fmpz_poly_t Q, long n);
void
_fmpz_poly_revert_series(fmpz * Qinv, const fmpz * Q, long n);
void
fmpz_poly_revert_series(fmpz_poly_t Qinv, const fmpz_poly_t Q, long n);
/* Square root *************************************************************/
int _fmpz_poly_sqrt_classical(fmpz * res, const fmpz * poly, long len);
int fmpz_poly_sqrt_classical(fmpz_poly_t b, const fmpz_poly_t a);
int _fmpz_poly_sqrt(fmpz * res, const fmpz * poly, long len);
int fmpz_poly_sqrt(fmpz_poly_t b, const fmpz_poly_t a);
/* Signature ***************************************************************/
void _fmpz_poly_signature(long * r1, long * r2, fmpz * poly, long len);
void fmpz_poly_signature(long * r1, long * r2, fmpz_poly_t poly);
/* Input and output ********************************************************/
int fmpz_poly_fprint(FILE * file, const fmpz_poly_t poly);
int _fmpz_poly_fprint_pretty(FILE * file,
const fmpz * poly, long len, const char * x);
int fmpz_poly_fprint_pretty(FILE * file,
const fmpz_poly_t poly, const char * x);
static __inline__
int fmpz_poly_print(const fmpz_poly_t poly)
{
return fmpz_poly_fprint(stdout, poly);
}
static __inline__
int fmpz_poly_print_pretty(const fmpz_poly_t poly, const char * x)
{
return fmpz_poly_fprint_pretty(stdout, poly, x);
}
int fmpz_poly_fread(FILE * file, fmpz_poly_t poly);
int fmpz_poly_fread_pretty(FILE *file, fmpz_poly_t poly, char **x);
static __inline__
int fmpz_poly_read(fmpz_poly_t poly)
{
return fmpz_poly_fread(stdin, poly);
}
static __inline__
int fmpz_poly_read_pretty(fmpz_poly_t poly, char **x)
{
return fmpz_poly_fread_pretty(stdin, poly, x);
}
static __inline__
void fmpz_poly_debug(const fmpz_poly_t poly)
{
printf("(alloc = %ld, length = %ld, vec = ", poly->alloc, poly->length);
if (poly->coeffs)
{
printf("{");
_fmpz_vec_print(poly->coeffs, poly->alloc);
printf("}");
}
else
{
printf("NULL");
}
printf(")");
fflush(stdout);
}
/* CRT ********************************************************************/
void fmpz_poly_get_nmod_poly(nmod_poly_t res, const fmpz_poly_t poly);
void fmpz_poly_set_nmod_poly(fmpz_poly_t res, const nmod_poly_t poly);
void fmpz_poly_set_nmod_poly_unsigned(fmpz_poly_t res, const nmod_poly_t poly);
void
_fmpz_poly_CRT_ui_precomp(fmpz * res, const fmpz * poly1, long len1,
const fmpz_t m1, mp_srcptr poly2, long len2, mp_limb_t m2,
mp_limb_t m2inv, fmpz_t m1m2, mp_limb_t c, int sign);
void _fmpz_poly_CRT_ui(fmpz * res, const fmpz * poly1, long len1,
const fmpz_t m1, mp_srcptr poly2, long len2, mp_limb_t m2,
mp_limb_t m2inv, int sign);
void fmpz_poly_CRT_ui(fmpz_poly_t res, const fmpz_poly_t poly1,
const fmpz_t m1, const nmod_poly_t poly2,
int sign);
/* Products *****************************************************************/
void _fmpz_poly_product_roots_fmpz_vec(fmpz * poly,
const fmpz * xs, long n);
void fmpz_poly_product_roots_fmpz_vec(fmpz_poly_t poly,
const fmpz * xs, long n);
/* Newton basis *************************************************************/
void _fmpz_poly_monomial_to_newton(fmpz * poly, const fmpz * roots, long n);
void _fmpz_poly_newton_to_monomial(fmpz * poly, const fmpz * roots, long n);
/* Multipoint evaluation and interpolation *********************************/