/*
    Copyright (C) 2010 Sebastian Pancratz
    Copyright (C) 2010 William Hart
    Copyright (C) 2011 Fredrik Johansson

    This file is part of FLINT.

    FLINT is free software: you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License (LGPL) as published
    by the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.  See <https://www.gnu.org/licenses/>.
*/

#ifndef FMPQ_POLY_H
#define FMPQ_POLY_H

#ifdef FMPQ_POLY_INLINES_C
#define FMPQ_POLY_INLINE
#else
#define FMPQ_POLY_INLINE static inline
#endif

#include "fmpq_types.h"
#include "nmod_types.h"

#ifdef __cplusplus
extern "C" {
#endif

/*  Type definitions  ********************************************************/

typedef struct
{
   fmpq_poly_struct * powers;
   slong len;
} fmpq_poly_powers_precomp_struct;

typedef fmpq_poly_powers_precomp_struct fmpq_poly_powers_precomp_t[1];

#define WEAK_CANONICALISE_CUTOFF 25600

/*  Memory management  *******************************************************/

void fmpq_poly_init(fmpq_poly_t poly);

void fmpq_poly_init2(fmpq_poly_t poly, slong alloc);

void fmpq_poly_realloc(fmpq_poly_t poly, slong alloc);

void fmpq_poly_fit_length(fmpq_poly_t poly, slong len);

void _fmpq_poly_set_length(fmpq_poly_t poly, slong len);

void fmpq_poly_clear(fmpq_poly_t poly);

void _fmpq_poly_normalise(fmpq_poly_t poly);

/*  Accessing numerator and denominator  *************************************/

#define fmpq_poly_numref(poly)  ((poly)->coeffs)

#define fmpq_poly_denref(poly)  ((poly)->den)

void fmpq_poly_get_numerator(fmpz_poly_t res, const fmpq_poly_t poly);
void fmpq_poly_get_denominator(fmpz_t den, const fmpq_poly_t poly);

/*  Canonicalisation  *************************************/

void _fmpq_poly_canonicalise(fmpz * rpoly, fmpz_t den, slong len);

void fmpq_poly_canonicalise(fmpq_poly_t poly);

int _fmpq_poly_is_canonical(const fmpz * poly, const fmpz_t den, slong len);

int fmpq_poly_is_canonical(const fmpq_poly_t poly);

/*  Polynomial parameters  ***************************************************/

FMPQ_POLY_INLINE
slong fmpq_poly_degree(const fmpq_poly_t poly)
{
    return poly->length - 1;
}

FMPQ_POLY_INLINE
slong fmpq_poly_length(const fmpq_poly_t poly)
{
    return poly->length;
}

/*  Randomisation  ***********************************************************/

void fmpq_poly_randtest(fmpq_poly_t f, flint_rand_t state,
                                                slong len, flint_bitcnt_t bits_in);

void fmpq_poly_randtest_unsigned(fmpq_poly_t f, flint_rand_t state,
                                                slong len, flint_bitcnt_t bits_in);

void fmpq_poly_randtest_not_zero(fmpq_poly_t f, flint_rand_t state,
                                                slong len, flint_bitcnt_t bits_in);

/*  Assignment and basic manipulation  ***************************************/

void fmpq_poly_set(fmpq_poly_t poly1, const fmpq_poly_t poly2);

void fmpq_poly_set_si(fmpq_poly_t poly, slong x);

void fmpq_poly_set_ui(fmpq_poly_t poly, ulong x);

void fmpq_poly_set_fmpz(fmpq_poly_t poly, const fmpz_t x);

void fmpq_poly_set_fmpq(fmpq_poly_t poly, const fmpq_t x);

void fmpq_poly_set_fmpz_poly(fmpq_poly_t rop, const fmpz_poly_t op);

void _fmpq_poly_get_nmod_poly(nmod_poly_t rop, const fmpq_poly_t op);

void fmpq_poly_get_nmod_poly_den(nmod_poly_t rop, const fmpq_poly_t op, int den);

void fmpq_poly_get_nmod_poly(nmod_poly_t rop, const fmpq_poly_t op);

void fmpq_poly_set_nmod_poly(fmpq_poly_t rop, const nmod_poly_t op);

int _fmpq_poly_set_str(fmpz * poly, fmpz_t den, const char * str, slong len);

int fmpq_poly_set_str(fmpq_poly_t poly, const char * str);

char * fmpq_poly_get_str(const fmpq_poly_t poly);

char * fmpq_poly_get_str_pretty(const fmpq_poly_t poly,
                                                             const char * var);

char * _fmpq_poly_get_str_pretty(const fmpz *poly,
                                 const fmpz_t den, slong len, const char *var);

void fmpq_poly_zero(fmpq_poly_t poly);
void fmpq_poly_one(fmpq_poly_t poly);

void fmpq_poly_neg(fmpq_poly_t poly1, const fmpq_poly_t poly2);

void fmpq_poly_inv(fmpq_poly_t poly1, const fmpq_poly_t poly2);

void fmpq_poly_swap(fmpq_poly_t poly1, fmpq_poly_t poly2);

void fmpq_poly_truncate(fmpq_poly_t poly, slong n);

void fmpq_poly_set_trunc(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void fmpq_poly_get_slice(fmpq_poly_t rop,
                         const fmpq_poly_t op, slong i, slong j);

void fmpq_poly_reverse(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

/*  Getting and setting coefficients  ****************************************/

void fmpq_poly_get_coeff_fmpz(fmpz_t x, const fmpq_poly_t poly, slong n);

void fmpq_poly_get_coeff_fmpq(fmpq_t x, const fmpq_poly_t poly, slong n);

void fmpq_poly_set_coeff_si(fmpq_poly_t poly, slong n, slong x);

void fmpq_poly_set_coeff_ui(fmpq_poly_t poly, slong n, ulong x);

void fmpq_poly_set_coeff_fmpz(fmpq_poly_t poly, slong n, const fmpz_t x);

void fmpq_poly_set_coeff_fmpq(fmpq_poly_t poly, slong n, const fmpq_t x);

/*  Comparison  **************************************************************/

int fmpq_poly_equal(const fmpq_poly_t poly1, const fmpq_poly_t poly2);

int _fmpq_poly_cmp(const fmpz * lpoly, const fmpz_t lden,
                             const fmpz * rpoly, const fmpz_t rden, slong len);

int fmpq_poly_cmp(const fmpq_poly_t left, const fmpq_poly_t right);

int _fmpq_poly_equal_trunc(const fmpz * poly1, const fmpz_t den1, slong len1,
                           const fmpz * poly2, const fmpz_t den2, slong len2, slong n);

int fmpq_poly_equal_trunc(const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n);

FMPQ_POLY_INLINE
int fmpq_poly_is_zero(const fmpq_poly_t poly)
{
    return poly->length == WORD(0);
}

int fmpq_poly_is_one(const fmpq_poly_t poly);

FMPQ_POLY_INLINE
int fmpq_poly_is_gen(const fmpq_poly_t op)
{
    return (op->length) == 2 && (*(op->coeffs + 1) == WORD(1)) && (*(op->coeffs + 0) == WORD(0)) && (*(op->den) == WORD(1));
}

/*  Addition and subtraction  ************************************************/

void _fmpq_poly_add(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2);

void fmpq_poly_add(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2);

void _fmpq_poly_add_can(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2, int can);

void fmpq_poly_add_can(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2, int can);

void fmpq_poly_add_si(fmpq_poly_t res, const fmpq_poly_t poly, slong c);
void fmpq_poly_add_fmpz(fmpq_poly_t res, const fmpq_poly_t poly, const fmpz_t c);
void fmpq_poly_add_fmpq(fmpq_poly_t res, const fmpq_poly_t poly, const fmpq_t c);

void _fmpq_poly_add_series(fmpz * rpoly, fmpz_t rden,
                           const fmpz * poly1, const fmpz_t den1, slong len1,
                           const fmpz * poly2, const fmpz_t den2, slong len2, slong n);

void fmpq_poly_add_series(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n);

void _fmpq_poly_add_series_can(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2, slong n, int can);

void fmpq_poly_add_series_can(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n, int can);

void _fmpq_poly_sub(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2);

void fmpq_poly_sub(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2);

void fmpq_poly_sub_si(fmpq_poly_t res, const fmpq_poly_t poly, slong c);
void fmpq_poly_si_sub(fmpq_poly_t res, slong c, const fmpq_poly_t poly);
void fmpq_poly_sub_fmpz(fmpq_poly_t res, const fmpq_poly_t poly, const fmpz_t c);
void fmpq_poly_fmpz_sub(fmpq_poly_t res, const fmpz_t c, const fmpq_poly_t poly);
void fmpq_poly_sub_fmpq(fmpq_poly_t res, const fmpq_poly_t poly, const fmpq_t c);
void fmpq_poly_fmpq_sub(fmpq_poly_t res, const fmpq_t c, const fmpq_poly_t poly);

void _fmpq_poly_sub_can(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2, int can);

void fmpq_poly_sub_can(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2, int can);

void _fmpq_poly_sub_series(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2, slong n);

void fmpq_poly_sub_series(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n);

void _fmpq_poly_sub_series_can(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2, slong n, int can);

void fmpq_poly_sub_series_can(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n, int can);

/*  Scalar multiplication and division  **************************************/

void _fmpq_poly_scalar_mul_si(fmpz * rpoly, fmpz_t rden,
                       const fmpz * poly, const fmpz_t den, slong len, slong c);

void _fmpq_poly_scalar_mul_ui(fmpz * rpoly, fmpz_t rden,
                      const fmpz * poly, const fmpz_t den, slong len, ulong c);

void _fmpq_poly_scalar_mul_fmpz(fmpz * rpoly, fmpz_t rden,
               const fmpz * poly, const fmpz_t den, slong len, const fmpz_t c);

void _fmpq_poly_scalar_mul_fmpq(fmpz * rpoly, fmpz_t rden, const fmpz * poly,
                  const fmpz_t den, slong len, const fmpz_t r, const fmpz_t s);

void fmpq_poly_scalar_mul_si(fmpq_poly_t rop, const fmpq_poly_t op, slong c);

void fmpq_poly_scalar_mul_ui(fmpq_poly_t rop, const fmpq_poly_t op, ulong c);

void fmpq_poly_scalar_mul_fmpz(fmpq_poly_t rop,
                               const fmpq_poly_t op, const fmpz_t c);

void fmpq_poly_scalar_mul_fmpq(fmpq_poly_t rop,
                               const fmpq_poly_t op, const fmpq_t c);

void _fmpq_poly_scalar_div_si(fmpz * rpoly, fmpz_t rden,
                       const fmpz * poly, const fmpz_t den, slong len, slong c);

void _fmpq_poly_scalar_div_ui(fmpz * rpoly, fmpz_t rden,
                      const fmpz * poly, const fmpz_t den, slong len, ulong c);

void _fmpq_poly_scalar_div_fmpz(fmpz * rpoly, fmpz_t rden,
               const fmpz * poly, const fmpz_t den, slong len, const fmpz_t c);

void _fmpq_poly_scalar_div_fmpq(fmpz * rpoly, fmpz_t rden, const fmpz * poly,
                  const fmpz_t den, slong len, const fmpz_t r, const fmpz_t s);

void fmpq_poly_scalar_div_si(fmpq_poly_t rop, const fmpq_poly_t op, slong c);

void fmpq_poly_scalar_div_ui(fmpq_poly_t rop, const fmpq_poly_t op, ulong c);

void fmpq_poly_scalar_div_fmpz(fmpq_poly_t rop,
                               const fmpq_poly_t op, const fmpz_t c);

void fmpq_poly_scalar_div_fmpq(fmpq_poly_t rop,
                               const fmpq_poly_t op, const fmpq_t c);

/*  Multiplication  **********************************************************/

void _fmpq_poly_mul(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2);

void fmpq_poly_mul(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2);

void _fmpq_poly_mullow(fmpz * rpoly, fmpz_t rden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                    const fmpz * poly2, const fmpz_t den2, slong len2, slong n);

void fmpq_poly_mullow(fmpq_poly_t res,
                   const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n);

FMPQ_POLY_INLINE
void fmpq_poly_addmul(fmpq_poly_t rop, const fmpq_poly_t op1, const fmpq_poly_t op2)
{
    fmpq_poly_t t;

    fmpq_poly_init(t);
    fmpq_poly_mul(t, op1, op2);
    fmpq_poly_add(rop, rop, t);
    fmpq_poly_clear(t);
}

FMPQ_POLY_INLINE
void fmpq_poly_submul(fmpq_poly_t rop, const fmpq_poly_t op1, const fmpq_poly_t op2)
{
    fmpq_poly_t t;

    fmpq_poly_init(t);
    fmpq_poly_mul(t, op1, op2);
    fmpq_poly_sub(rop, rop, t);
    fmpq_poly_clear(t);
}

/*  Powering  ****************************************************************/

void _fmpq_poly_pow(fmpz * rpoly, fmpz_t rden, const fmpz * poly,
                                  const fmpz_t den, slong len, ulong e);

void fmpq_poly_pow(fmpq_poly_t rpoly, const fmpq_poly_t poly, ulong e);

void _fmpq_poly_pow_trunc(fmpz * res, fmpz_t resden,
        const fmpz * f, const fmpz_t fden, slong flen, ulong exp, slong len);

void fmpq_poly_pow_trunc(fmpq_poly_t res,
                const fmpq_poly_t poly, ulong exp, slong len);

/*  Shifting  ****************************************************************/

void fmpq_poly_shift_left(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void fmpq_poly_shift_right(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

/*  Euclidean division  ******************************************************/

#ifdef FMPZ_H
void _fmpq_poly_divrem(fmpz * Q, fmpz_t q, fmpz * R, fmpz_t r, const fmpz * A, const fmpz_t a, slong lenA, const fmpz * B, const fmpz_t b, slong lenB, const fmpz_preinvn_t inv);
void _fmpq_poly_div(fmpz * Q, fmpz_t q, const fmpz * A, const fmpz_t a, slong lenA, const fmpz * B, const fmpz_t b, slong lenB, const fmpz_preinvn_t inv);
void _fmpq_poly_rem(fmpz * R, fmpz_t r, const fmpz * A, const fmpz_t a, slong lenA, const fmpz * B, const fmpz_t FLINT_UNUSED(b), slong lenB, const fmpz_preinvn_t inv);
#endif

void fmpq_poly_divrem(fmpq_poly_t Q, fmpq_poly_t R, const fmpq_poly_t poly1, const fmpq_poly_t poly2);
void fmpq_poly_div(fmpq_poly_t Q, const fmpq_poly_t poly1, const fmpq_poly_t poly2);
void fmpq_poly_rem(fmpq_poly_t R, const fmpq_poly_t poly1, const fmpq_poly_t poly2);

/*  Precomputed inverse  *****************************************************/

fmpq_poly_struct * _fmpq_poly_powers_precompute(const fmpz * B, const fmpz_t FLINT_UNUSED(denB), slong len);
void fmpq_poly_powers_precompute(fmpq_poly_powers_precomp_t pinv, fmpq_poly_t poly);

void _fmpq_poly_powers_clear(fmpq_poly_struct * powers, slong len);

void fmpq_poly_powers_clear(fmpq_poly_powers_precomp_t pinv);

void _fmpq_poly_rem_powers_precomp(fmpz * A, fmpz_t denA, slong m,
                              const fmpz * B, const fmpz_t denB, slong n,
                                              fmpq_poly_struct * const powers);

void fmpq_poly_rem_powers_precomp(fmpq_poly_t R, const fmpq_poly_t A,
                  const fmpq_poly_t B, const fmpq_poly_powers_precomp_t B_inv);

/* Divisibility testing ******************************************************/

int _fmpq_poly_divides(fmpz * qpoly, fmpz_t qden,
                    const fmpz * poly1, const fmpz_t den1, slong len1,
                            const fmpz * poly2, const fmpz_t den2, slong len2);

int fmpq_poly_divides(fmpq_poly_t q, const fmpq_poly_t poly1,
                                                      const fmpq_poly_t poly2);

slong fmpq_poly_remove(fmpq_poly_t q, const fmpq_poly_t poly1,
                                                      const fmpq_poly_t poly2);

/*  Power series division  ***************************************************/

void _fmpq_poly_inv_series_newton(fmpz * Qinv, fmpz_t Qinvden,
                           const fmpz * Q, const fmpz_t Qden, slong Qlen, slong n);

void fmpq_poly_inv_series_newton(fmpq_poly_t Qinv, const fmpq_poly_t Q, slong n);

FMPQ_POLY_INLINE void
_fmpq_poly_inv_series(fmpz * Qinv, fmpz_t Qinvden,
                      const fmpz * Q, const fmpz_t Qden, slong Qlen, slong n)
{
    _fmpq_poly_inv_series_newton(Qinv, Qinvden, Q, Qden, Qlen, n);
}

FMPQ_POLY_INLINE void
fmpq_poly_inv_series(fmpq_poly_t Qinv, const fmpq_poly_t Q, slong n)
{
    fmpq_poly_inv_series_newton(Qinv, Q, n);
}

void _fmpq_poly_div_series(fmpz * Q, fmpz_t denQ,
        const fmpz * A, const fmpz_t denA, slong lenA,
        const fmpz * B, const fmpz_t denB, slong lenB, slong n);

void fmpq_poly_div_series(fmpq_poly_t Q, const fmpq_poly_t A,
                                         const fmpq_poly_t B, slong n);

/*  Greatest common divisor **************************************************/

void _fmpq_poly_gcd(fmpz *G, fmpz_t denG,
                    const fmpz *A, slong lenA, const fmpz *B, slong lenB);

void fmpq_poly_gcd(fmpq_poly_t G, const fmpq_poly_t A, const fmpq_poly_t B);

void _fmpq_poly_xgcd(fmpz *G, fmpz_t denG,
                     fmpz *S, fmpz_t denS, fmpz *T, fmpz_t denT,
                     const fmpz *A, const fmpz_t denA, slong lenA,
                     const fmpz *B, const fmpz_t denB, slong lenB);

void fmpq_poly_xgcd(fmpq_poly_t G, fmpq_poly_t S, fmpq_poly_t T,
                    const fmpq_poly_t A, const fmpq_poly_t B);

void _fmpq_poly_lcm(fmpz *G, fmpz_t denG,
                    const fmpz *A, slong lenA, const fmpz *B, slong lenB);

void fmpq_poly_lcm(fmpq_poly_t L, const fmpq_poly_t A, const fmpq_poly_t B);

void _fmpq_poly_resultant(fmpz_t rnum, fmpz_t rden,
                          const fmpz *poly1, const fmpz_t den1, slong len1,
                          const fmpz *poly2, const fmpz_t den2, slong len2);

void fmpq_poly_resultant(fmpq_t r, const fmpq_poly_t f, const fmpq_poly_t g);


void _fmpq_poly_resultant_div(fmpz_t rnum, fmpz_t rden,
                          const fmpz *poly1, const fmpz_t den1, slong len1,
                          const fmpz *poly2, const fmpz_t den2, slong len2,
                          const fmpz_t divisor, slong nbits);

void fmpq_poly_resultant_div(fmpq_t r, const fmpq_poly_t f, const fmpq_poly_t g, const fmpz_t divisor, slong nbits);

/*  Derivative and integral  *************************************************/

void _fmpq_poly_derivative(fmpz * rpoly, fmpz_t rden,
                           const fmpz * poly, const fmpz_t den, slong len);

void fmpq_poly_derivative(fmpq_poly_t res, const fmpq_poly_t poly);

void _fmpq_poly_nth_derivative(fmpz * rpoly, fmpz_t rden,
                           const fmpz * poly, const fmpz_t den, ulong n, slong len);

void fmpq_poly_nth_derivative(fmpq_poly_t res, const fmpq_poly_t poly, ulong n);

void _fmpq_poly_integral(fmpz * rpoly, fmpz_t rden,
                           const fmpz * poly, const fmpz_t den, slong len);

void fmpq_poly_integral(fmpq_poly_t res, const fmpq_poly_t poly);

/*  Square roots  ************************************************************/

void  _fmpq_poly_invsqrt_series(fmpz * rpoly, fmpz_t rden,
                      const fmpz * poly, const fmpz_t den, slong len, slong n);

void fmpq_poly_invsqrt_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void  _fmpq_poly_sqrt_series(fmpz * rpoly, fmpz_t rden,
                      const fmpz * poly, const fmpz_t den, slong len, slong n);

void fmpq_poly_sqrt_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

/* Power sums ****************************************************************/

void _fmpq_poly_power_sums(fmpz * res, fmpz_t rden, const fmpz * poly, slong len, slong n);

void fmpq_poly_power_sums(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_power_sums_to_poly(fmpz * res, const fmpz * poly, const fmpz_t den, slong len);

void fmpq_poly_power_sums_to_fmpz_poly(fmpz_poly_t res, const fmpq_poly_t Q);

void fmpq_poly_power_sums_to_poly(fmpq_poly_t res, const fmpq_poly_t Q);

/*  Transcendental functions  ************************************************/

void _fmpq_poly_log_series(fmpz * g, fmpz_t gden,
                       const fmpz * f, const fmpz_t fden, slong flen, slong n);

void fmpq_poly_log_series(fmpq_poly_t res, const fmpq_poly_t f, slong n);

void _fmpq_poly_exp_series(fmpz * g, fmpz_t gden,
                        const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_exp_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_exp_expinv_series(fmpz * g, fmpz_t gden, fmpz * r, fmpz_t rden,
                        const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_exp_expinv_series(fmpq_poly_t res1, fmpq_poly_t res2, const fmpq_poly_t poly, slong n);

void _fmpq_poly_atan_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_atan_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_atanh_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_atanh_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_asin_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_asin_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_asinh_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_asinh_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_tan_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_tan_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_sin_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_sin_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_cos_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_cos_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_sin_cos_series(fmpz * s, fmpz_t sden, fmpz * c, fmpz_t cden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_sin_cos_series(fmpq_poly_t res1, fmpq_poly_t res2,
                            const fmpq_poly_t poly, slong n);

void _fmpq_poly_sinh_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_sinh_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_cosh_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_cosh_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

void _fmpq_poly_sinh_cosh_series(fmpz * s, fmpz_t sden, fmpz * c, fmpz_t cden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_sinh_cosh_series(fmpq_poly_t res1, fmpq_poly_t res2,
                            const fmpq_poly_t poly, slong n);

void _fmpq_poly_tanh_series(fmpz * g, fmpz_t gden,
                            const fmpz * h, const fmpz_t hden, slong hlen, slong n);

void fmpq_poly_tanh_series(fmpq_poly_t res, const fmpq_poly_t poly, slong n);

/* Orthogonal polynomials  ***************************************************/

void _fmpq_poly_legendre_p(fmpz * coeffs, fmpz_t den, ulong n);

void fmpq_poly_legendre_p(fmpq_poly_t poly, ulong n);

void _fmpq_poly_laguerre_l(fmpz * coeffs, fmpz_t den, ulong n);

void fmpq_poly_laguerre_l(fmpq_poly_t poly, ulong n);

void _fmpq_poly_gegenbauer_c(fmpz * coeffs, fmpz_t den, ulong n, const fmpq_t a);

void fmpq_poly_gegenbauer_c(fmpq_poly_t poly, ulong n, const fmpq_t a);

/*  Evaluation  **************************************************************/

void _fmpq_poly_evaluate_fmpz(fmpz_t rnum, fmpz_t rden, const fmpz * poly,
                              const fmpz_t den, slong len, const fmpz_t a);

void fmpq_poly_evaluate_fmpz(fmpq_t res, const fmpq_poly_t poly,
                             const fmpz_t a);

void _fmpq_poly_evaluate_fmpq(fmpz_t rnum, fmpz_t rden,
                        const fmpz * poly, const fmpz_t den, slong len,
                        const fmpz_t anum, const fmpz_t aden);

void fmpq_poly_evaluate_fmpq(fmpq_t res, const fmpq_poly_t poly, const fmpq_t a);

/*  Interpolation ************************************************************/

int _fmpq_poly_interpolate_fmpq_vec(fmpz *coeffs, fmpz_t den,
                                            const fmpq *xs, const fmpq *ys, slong n);

int fmpq_poly_interpolate_fmpq_vec(fmpq_poly_t poly,
                                    const fmpq * xs, const fmpq * ys, slong n);

int fmpq_poly_interpolate_fmpz_fmpq_vec(fmpq_poly_t poly,
                                        const fmpz * xs, const fmpq * ys, slong n);

int fmpq_poly_interpolate_fmpz_vec(fmpq_poly_t poly,
                                    const fmpz * xs, const fmpz * ys, slong n);

void _fmpq_poly_interpolation_weights(fmpz * w, fmpz_t wden,
                                      const fmpq * xs, slong len);

void _fmpq_poly_interpolate_fast_precomp(fmpz * poly, fmpz_t den,
    const fmpq * ys, fmpz * const * tree, const fmpz * weights, slong len);

void _fmpq_poly_interpolate_fast(fmpz * poly, fmpz_t den,
                                const fmpq * xs, const fmpq * ys, slong len);

void fmpq_poly_interpolate_fast(fmpq_poly_t poly,
                                const fmpq * xs, const fmpq * ys, slong n);

void _fmpq_poly_interpolate_multi_mod(fmpz * poly, fmpz_t den,
                                    const fmpq * xs, const fmpq * ys, slong n);

void fmpq_poly_interpolate_multi_mod(fmpq_poly_t poly,
                                    const fmpq * xs, const fmpq * ys, slong n);

void _fmpq_poly_interpolate_barycentric(fmpz * poly, fmpz_t den,
                                    const fmpq * xs, const fmpq * ys, slong n);

void fmpq_poly_interpolate_barycentric(fmpq_poly_t poly,
                                    const fmpq * xs, const fmpq * ys, slong n);

/*  Composition  *************************************************************/

void _fmpq_poly_compose(fmpz * res, fmpz_t den,
                             const fmpz * poly1, const fmpz_t den1, slong len1,
                             const fmpz * poly2, const fmpz_t den2, slong len2);

void fmpq_poly_compose(fmpq_poly_t res,
                             const fmpq_poly_t poly1, const fmpq_poly_t poly2);

void _fmpq_poly_rescale(fmpz * res, fmpz_t denr, const fmpz * poly,
             const fmpz_t den, slong len, const fmpz_t xnum, const fmpz_t xden);

void fmpq_poly_rescale(fmpq_poly_t res,
                       const fmpq_poly_t poly, const fmpq_t x);

/*  Power series composition  ************************************************/

void _fmpq_poly_compose_series_horner(fmpz * res, fmpz_t den, const fmpz * poly1,
        const fmpz_t den1, slong len1, const fmpz * poly2,
        const fmpz_t den2, slong len2, slong n);

void fmpq_poly_compose_series_horner(fmpq_poly_t res,
                    const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n);

void _fmpq_poly_compose_series_brent_kung(fmpz * res, fmpz_t den,
        const fmpz * poly1, const fmpz_t den1, slong len1,
        const fmpz * poly2, const fmpz_t den2, slong len2, slong n);

void fmpq_poly_compose_series_brent_kung(fmpq_poly_t res,
                    const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n);

void _fmpq_poly_compose_series(fmpz * res, fmpz_t den,
        const fmpz * poly1, const fmpz_t den1, slong len1,
        const fmpz * poly2, const fmpz_t den2, slong len2, slong n);

void fmpq_poly_compose_series(fmpq_poly_t res,
                    const fmpq_poly_t poly1, const fmpq_poly_t poly2, slong n);

/*  Power series reversion  ************************************************/

void _fmpq_poly_revert_series_lagrange(fmpz * res, fmpz_t den,
        const fmpz * poly1, const fmpz_t den1, slong len1, slong n);

void fmpq_poly_revert_series_lagrange(fmpq_poly_t res,
                    const fmpq_poly_t poly, slong n);

void _fmpq_poly_revert_series_lagrange_fast(fmpz * res, fmpz_t den,
        const fmpz * poly1, const fmpz_t den1, slong len1, slong n);

void fmpq_poly_revert_series_lagrange_fast(fmpq_poly_t res,
                    const fmpq_poly_t poly, slong n);

void _fmpq_poly_revert_series_newton(fmpz * res, fmpz_t den,
        const fmpz * poly1, const fmpz_t den1, slong len1, slong n);

void fmpq_poly_revert_series_newton(fmpq_poly_t res,
                    const fmpq_poly_t poly, slong n);

void _fmpq_poly_revert_series(fmpz * res, fmpz_t den,
        const fmpz * poly1, const fmpz_t den1, slong len1, slong n);

void fmpq_poly_revert_series(fmpq_poly_t res,
                    const fmpq_poly_t poly, slong n);

/*  Gaussian content  ********************************************************/

void _fmpq_poly_content(fmpq_t res,
                        const fmpz * poly, const fmpz_t den, slong len);

void fmpq_poly_content(fmpq_t res, const fmpq_poly_t poly);

void _fmpq_poly_primitive_part(fmpz * rpoly, fmpz_t rden,
                               const fmpz * poly, const fmpz_t FLINT_UNUSED(den), slong len);

void fmpq_poly_primitive_part(fmpq_poly_t res, const fmpq_poly_t poly);

int _fmpq_poly_is_monic(const fmpz * poly, const fmpz_t den, slong len);

int fmpq_poly_is_monic(const fmpq_poly_t poly);

void _fmpq_poly_make_monic(fmpz * rpoly, fmpz_t rden,
                      const fmpz * poly, const fmpz_t FLINT_UNUSED(den), slong len);

void fmpq_poly_make_monic(fmpq_poly_t res, const fmpq_poly_t poly);

/*  Square-free  *************************************************************/

int fmpq_poly_is_squarefree(const fmpq_poly_t poly);

/* Discriminant **************************************************************/
void _fmpq_poly_discriminant(fmpq_t res, const fmpz* poly, const fmpz_t den, slong len);
void fmpq_poly_discriminant(fmpq_t res, const fmpq_poly_t poly);

/*  Input and output *********************************************************/

#ifdef FLINT_HAVE_FILE
int _fmpq_poly_fprint(FILE * file, const fmpz * poly, const fmpz_t den, slong len);
int fmpq_poly_fprint(FILE * file, const fmpq_poly_t poly);
int _fmpq_poly_fprint_pretty(FILE * file, const fmpz * poly, const fmpz_t den, slong len, const char * x);
int fmpq_poly_fprint_pretty(FILE * file, const fmpq_poly_t poly, const char * var);

int fmpq_poly_fread(FILE * file, fmpq_poly_t poly);
#endif

int _fmpq_poly_print(const fmpz * poly, const fmpz_t den, slong len);
int fmpq_poly_print(const fmpq_poly_t poly);
int _fmpq_poly_print_pretty(const fmpz *poly, const fmpz_t den, slong len, const char * x);
int fmpq_poly_print_pretty(const fmpq_poly_t poly, const char * var);

int fmpq_poly_read(fmpq_poly_t poly);

int fmpq_poly_debug(const fmpq_poly_t poly);

/* Declare dead functions ****************************************************/

#define fmpq_poly_set_mpz _Pragma("GCC error \"'fmpq_poly_set_mpz' is deprecated. Use 'fmpq_poly_set_fmpz' instead.\"")
#define fmpq_poly_set_mpq _Pragma("GCC error \"'fmpq_poly_set_mpq' is deprecated. Use 'fmpq_poly_set_fmpq' instead.\"")
#define _fmpq_poly_set_array_mpq _Pragma("GCC error \"'_fmpq_poly_set_array_mpq' is deprecated. Use 'fmpq_poly_set' instead.\"")
#define fmpq_poly_set_array_mpq _Pragma("GCC error \"'fmpq_poly_set_array_mpq' is deprecated. Use 'fmpq_poly_set' instead.\"")
#define fmpq_poly_get_coeff_mpq _Pragma("GCC error \"'fmpq_poly_get_coeff_mpq' is deprecated. Use 'fmpq_poly_get_coeff_fmpq' instead.\"")
#define fmpq_poly_set_coeff_mpz _Pragma("GCC error \"'fmpq_poly_set_coeff_mpz' is deprecated. Use 'fmpq_poly_set_coeff_fmpz' instead.\"")
#define fmpq_poly_set_coeff_mpq _Pragma("GCC error \"'fmpq_poly_set_coeff_mpq' is deprecated. Use 'fmpq_poly_set_coeff_fmpq' instead.\"")
#define fmpq_poly_scalar_mul_mpz _Pragma("GCC error \"'fmpq_poly_scalar_mul_mpz' is deprecated. Use 'fmpq_poly_scalar_mul_fmpz' instead.\"")
#define fmpq_poly_scalar_mul_mpq _Pragma("GCC error \"'fmpq_poly_scalar_mul_mpq' is deprecated. Use 'fmpq_poly_scalar_mul_fmpq' instead.\"")
#define fmpq_poly_scalar_div_mpz _Pragma("GCC error \"'fmpq_poly_scalar_div_mpz' is deprecated. Use 'fmpq_poly_scalar_div_fmpz' instead.\"")
#define fmpq_poly_scalar_div_mpq _Pragma("GCC error \"'fmpq_poly_scalar_div_mpq' is deprecated. Use 'fmpq_poly_scalar_div_fmpq' instead.\"")
#define fmpq_poly_evaluate_mpz _Pragma("GCC error \"'fmpq_poly_evaluate_mpz' is deprecated. Use 'fmpq_poly_evaluate_fmpz' instead.\"")
#define fmpq_poly_evaluate_mpq _Pragma("GCC error \"'fmpq_poly_evaluate_mpq' is deprecated. Use 'fmpq_poly_evaluate_fmpq' instead.\"")

#ifdef __cplusplus
}
#endif

#endif
