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/* mpc.h -- Include file for mpc.

Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011, 2012, 2014 INRIA

This file is part of GNU MPC.

GNU MPC is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

GNU MPC 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 Lesser General Public License for
more details.

You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see http://www.gnu.org/licenses/ .
*/

#ifndef __MPC_H
#define __MPC_H

#include "gmp.h"
#include "mpfr.h"

/* Backwards compatibility with mpfr<3.0.0 */
#ifndef mpfr_exp_t
#define mpfr_exp_t mp_exp_t
#endif

/* Define MPC version number */
#define MPC_VERSION_MAJOR 1
#define MPC_VERSION_MINOR 0
#define MPC_VERSION_PATCHLEVEL 2
#define MPC_VERSION_STRING "1.0.2"

/* Macros dealing with MPC VERSION */
#define MPC_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
#define MPC_VERSION                                                     \
  MPC_VERSION_NUM(MPC_VERSION_MAJOR,MPC_VERSION_MINOR,MPC_VERSION_PATCHLEVEL)

/* Check if stdint.h/inttypes.h is included */
#if defined (INTMAX_C) && defined (UINTMAX_C)
#define _MPC_H_HAVE_INTMAX_T 1
#endif

/* Return values */

/* Transform negative to 2, positive to 1, leave 0 unchanged */
#define MPC_INEX_POS(inex) (((inex) < 0) ? 2 : ((inex) == 0) ? 0 : 1)
/* Transform 2 to negative, 1 to positive, leave 0 unchanged */
#define MPC_INEX_NEG(inex) (((inex) == 2) ? -1 : ((inex) == 0) ? 0 : 1)

/* The global inexact flag is made of (real flag) + 4 * (imaginary flag), where
   each of the real and imaginary inexact flag are:
   0 when the result is exact (no rounding error)
   1 when the result is larger than the exact value
   2 when the result is smaller than the exact value */
#define MPC_INEX(inex_re, inex_im) \
        (MPC_INEX_POS(inex_re) | (MPC_INEX_POS(inex_im) << 2))
#define MPC_INEX_RE(inex) MPC_INEX_NEG((inex) & 3)
#define MPC_INEX_IM(inex) MPC_INEX_NEG((inex) >> 2)

/* For functions computing two results, the return value is
   inexact1+16*inexact2, which is 0 iif both results are exact. */
#define MPC_INEX12(inex1, inex2) (inex1 | (inex2 << 4))
#define MPC_INEX1(inex) (inex & 15)
#define MPC_INEX2(inex) (inex >> 4)

/* Definition of rounding modes */

/* a complex rounding mode is just a pair of two real rounding modes
   we reserve four bits for a real rounding mode.  */
typedef int mpc_rnd_t;

#define MPC_RND(r1,r2) (((int)(r1)) + ((int)(r2) << 4))
#define MPC_RND_RE(x) ((mpfr_rnd_t)((x) & 0x0F))
#define MPC_RND_IM(x) ((mpfr_rnd_t)((x) >> 4))

#define MPC_RNDNN MPC_RND (GMP_RNDN,GMP_RNDN)
#define MPC_RNDNZ MPC_RND (GMP_RNDN,GMP_RNDZ)
#define MPC_RNDNU MPC_RND (GMP_RNDN,GMP_RNDU)
#define MPC_RNDND MPC_RND (GMP_RNDN,GMP_RNDD)

#define MPC_RNDZN MPC_RND (GMP_RNDZ,GMP_RNDN)
#define MPC_RNDZZ MPC_RND (GMP_RNDZ,GMP_RNDZ)
#define MPC_RNDZU MPC_RND (GMP_RNDZ,GMP_RNDU)
#define MPC_RNDZD MPC_RND (GMP_RNDZ,GMP_RNDD)

#define MPC_RNDUN MPC_RND (GMP_RNDU,GMP_RNDN)
#define MPC_RNDUZ MPC_RND (GMP_RNDU,GMP_RNDZ)
#define MPC_RNDUU MPC_RND (GMP_RNDU,GMP_RNDU)
#define MPC_RNDUD MPC_RND (GMP_RNDU,GMP_RNDD)

#define MPC_RNDDN MPC_RND (GMP_RNDD,GMP_RNDN)
#define MPC_RNDDZ MPC_RND (GMP_RNDD,GMP_RNDZ)
#define MPC_RNDDU MPC_RND (GMP_RNDD,GMP_RNDU)
#define MPC_RNDDD MPC_RND (GMP_RNDD,GMP_RNDD)


/* Definitions of types and their semantics */

typedef struct {
  mpfr_t re;
  mpfr_t im;
}
__mpc_struct;

typedef __mpc_struct mpc_t[1];
typedef __mpc_struct *mpc_ptr;
typedef const __mpc_struct *mpc_srcptr;

/* Support for WINDOWS DLL, see
   http://lists.gforge.inria.fr/pipermail/mpc-discuss/2011-November/000990.html;
   when building the DLL, export symbols, otherwise behave as GMP           */
#if defined (__MPC_LIBRARY_BUILD) && __GMP_LIBGMP_DLL
#define __MPC_DECLSPEC __GMP_DECLSPEC_EXPORT
#else
#define __MPC_DECLSPEC __GMP_DECLSPEC
#endif

#if defined (__cplusplus)
extern "C" {
#endif

__MPC_DECLSPEC int  mpc_add       (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_add_fr    (mpc_ptr, mpc_srcptr, mpfr_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_add_si    (mpc_ptr, mpc_srcptr, long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_add_ui    (mpc_ptr, mpc_srcptr, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_sub       (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_sub_fr    (mpc_ptr, mpc_srcptr, mpfr_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_fr_sub    (mpc_ptr, mpfr_srcptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_sub_ui    (mpc_ptr, mpc_srcptr, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_ui_ui_sub (mpc_ptr, unsigned long int, unsigned long int, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_mul       (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_mul_fr    (mpc_ptr, mpc_srcptr, mpfr_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_mul_ui    (mpc_ptr, mpc_srcptr, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_mul_si    (mpc_ptr, mpc_srcptr, long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_mul_i     (mpc_ptr, mpc_srcptr, int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_sqr       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_div       (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_pow       (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_pow_fr    (mpc_ptr, mpc_srcptr, mpfr_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_pow_ld    (mpc_ptr, mpc_srcptr, long double, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_pow_d     (mpc_ptr, mpc_srcptr, double, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_pow_si    (mpc_ptr, mpc_srcptr, long, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_pow_ui    (mpc_ptr, mpc_srcptr, unsigned long, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_pow_z     (mpc_ptr, mpc_srcptr, mpz_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_div_fr    (mpc_ptr, mpc_srcptr, mpfr_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_fr_div    (mpc_ptr, mpfr_srcptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_div_ui    (mpc_ptr, mpc_srcptr, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_ui_div    (mpc_ptr, unsigned long int, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_div_2ui   (mpc_ptr, mpc_srcptr, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_mul_2ui   (mpc_ptr, mpc_srcptr, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_div_2si   (mpc_ptr, mpc_srcptr, long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_mul_2si   (mpc_ptr, mpc_srcptr, long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_conj      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_neg       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_norm      (mpfr_ptr, mpc_srcptr, mpfr_rnd_t);
__MPC_DECLSPEC int  mpc_abs       (mpfr_ptr, mpc_srcptr, mpfr_rnd_t);
__MPC_DECLSPEC int  mpc_sqrt      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_d     (mpc_ptr, double, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_d_d   (mpc_ptr, double, double, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_ld    (mpc_ptr, long double, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_ld_ld (mpc_ptr, long double, long double, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_f     (mpc_ptr, mpf_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_f_f   (mpc_ptr, mpf_srcptr, mpf_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_fr    (mpc_ptr, mpfr_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_fr_fr (mpc_ptr, mpfr_srcptr, mpfr_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_q     (mpc_ptr, mpq_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_q_q   (mpc_ptr, mpq_srcptr, mpq_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_si    (mpc_ptr, long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_si_si (mpc_ptr, long int, long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_ui    (mpc_ptr, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_ui_ui (mpc_ptr, unsigned long int, unsigned long int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_z     (mpc_ptr, mpz_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_z_z   (mpc_ptr, mpz_srcptr, mpz_srcptr, mpc_rnd_t);
__MPC_DECLSPEC void mpc_swap      (mpc_ptr, mpc_ptr);
__MPC_DECLSPEC int  mpc_fma       (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);

__MPC_DECLSPEC void mpc_set_nan   (mpc_ptr);

__MPC_DECLSPEC int  mpc_real      (mpfr_ptr, mpc_srcptr, mpfr_rnd_t);
__MPC_DECLSPEC int  mpc_imag      (mpfr_ptr, mpc_srcptr, mpfr_rnd_t);
__MPC_DECLSPEC int  mpc_arg       (mpfr_ptr, mpc_srcptr, mpfr_rnd_t);
__MPC_DECLSPEC int  mpc_proj      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_cmp       (mpc_srcptr, mpc_srcptr);
__MPC_DECLSPEC int  mpc_cmp_si_si (mpc_srcptr, long int, long int);
__MPC_DECLSPEC int  mpc_exp       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_log       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_log10     (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_sin       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_cos       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_sin_cos   (mpc_ptr, mpc_ptr, mpc_srcptr, mpc_rnd_t, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_tan       (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_sinh      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_cosh      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_tanh      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_asin      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_acos      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_atan      (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_asinh     (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_acosh     (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_atanh     (mpc_ptr, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC void mpc_clear     (mpc_ptr);
__MPC_DECLSPEC int  mpc_urandom   (mpc_ptr, gmp_randstate_t);
__MPC_DECLSPEC void mpc_init2     (mpc_ptr, mpfr_prec_t);
__MPC_DECLSPEC void mpc_init3     (mpc_ptr, mpfr_prec_t, mpfr_prec_t);
__MPC_DECLSPEC mpfr_prec_t mpc_get_prec (mpc_srcptr x);
__MPC_DECLSPEC void mpc_get_prec2 (mpfr_prec_t *pr, mpfr_prec_t *pi, mpc_srcptr x);
__MPC_DECLSPEC void mpc_set_prec  (mpc_ptr, mpfr_prec_t);
__MPC_DECLSPEC const char * mpc_get_version (void);

__MPC_DECLSPEC int  mpc_strtoc    (mpc_ptr, const char *, char **, int, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_str   (mpc_ptr, const char *, int, mpc_rnd_t);
__MPC_DECLSPEC char * mpc_get_str (int, size_t, mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC void mpc_free_str  (char *);

/* declare certain functions only if appropriate headers have been included */
#ifdef _MPC_H_HAVE_INTMAX_T
__MPC_DECLSPEC int  mpc_set_sj    (mpc_ptr, intmax_t, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_uj    (mpc_ptr, uintmax_t,  mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_sj_sj (mpc_ptr, intmax_t, intmax_t, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_uj_uj (mpc_ptr, uintmax_t, uintmax_t, mpc_rnd_t);
#endif

#ifdef _Complex_I
__MPC_DECLSPEC int  mpc_set_dc    (mpc_ptr, double _Complex, mpc_rnd_t);
__MPC_DECLSPEC int  mpc_set_ldc   (mpc_ptr, long double _Complex, mpc_rnd_t);
__MPC_DECLSPEC double _Complex mpc_get_dc (mpc_srcptr, mpc_rnd_t);
__MPC_DECLSPEC long double _Complex mpc_get_ldc (mpc_srcptr, mpc_rnd_t);
#endif

#ifdef _GMP_H_HAVE_FILE
__MPC_DECLSPEC int mpc_inp_str    (mpc_ptr, FILE *, size_t *, int, mpc_rnd_t);
__MPC_DECLSPEC size_t mpc_out_str (FILE *, int, size_t, mpc_srcptr, mpc_rnd_t);
#endif

#if defined (__cplusplus)
}
#endif

#define mpc_realref(x) ((x)->re)
#define mpc_imagref(x) ((x)->im)

#define mpc_cmp_si(x, y) \
 ( mpc_cmp_si_si ((x), (y), 0l) )
#define mpc_ui_sub(x, y, z, r) mpc_ui_ui_sub (x, y, 0ul, z, r)

/*
   Define a fake mpfr_set_fr so that, for instance, mpc_set_fr_z would
   be defined as follows:
   mpc_set_fr_z (mpc_t rop, mpfr_t x, mpz_t y, mpc_rnd_t rnd)
       MPC_SET_X_Y (fr, z, rop, x, y, rnd)
*/
#ifndef mpfr_set_fr
#define mpfr_set_fr mpfr_set
#endif
#define MPC_SET_X_Y(real_t, imag_t, z, real_value, imag_value, rnd)     \
  {                                                                     \
    int _inex_re, _inex_im;                                             \
    _inex_re = (mpfr_set_ ## real_t) (mpc_realref (z), (real_value), MPC_RND_RE (rnd)); \
    _inex_im = (mpfr_set_ ## imag_t) (mpc_imagref (z), (imag_value), MPC_RND_IM (rnd)); \
    return MPC_INEX (_inex_re, _inex_im);                               \
  }

#endif /* ifndef __MPC_H */