xref: /dflybsd-src/contrib/mpc/src/set_x.c (revision 04febcfb30580676d3e95f58a16c5137ee478b32)

/* mpc_set_x -- Set the real part of a complex number
   (imaginary part equals +0 regardless of rounding mode).

Copyright (C) 2008, 2009, 2010, 2011 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/ .
*/

#include "config.h"

#ifdef HAVE_INTTYPES_H
# include <inttypes.h> /* for intmax_t */
#else
# ifdef HAVE_STDINT_H
#  include <stdint.h>
# endif
#endif

#ifdef HAVE_COMPLEX_H
# include <complex.h>
#endif

#include "mpc-impl.h"

#define MPC_SET_X(real_t, z, real_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_ui (mpc_imagref (z), 0, MPC_RND_IM (rnd)); \
    return MPC_INEX (_inex_re, _inex_im);                               \
  }

int
mpc_set_fr (mpc_ptr a, mpfr_srcptr b, mpc_rnd_t rnd)
   MPC_SET_X (fr, a, b, rnd)

int
mpc_set_d (mpc_ptr a, double b, mpc_rnd_t rnd)
   MPC_SET_X (d, a, b, rnd)

int
mpc_set_ld (mpc_ptr a, long double b, mpc_rnd_t rnd)
   MPC_SET_X (ld, a, b, rnd)

int
mpc_set_ui (mpc_ptr a, unsigned long int b, mpc_rnd_t rnd)
   MPC_SET_X (ui, a, b, rnd)

int
mpc_set_si (mpc_ptr a, long int b, mpc_rnd_t rnd)
   MPC_SET_X (si, a, b, rnd)

int
mpc_set_z (mpc_ptr a, mpz_srcptr b, mpc_rnd_t rnd)
   MPC_SET_X (z, a, b, rnd)

int
mpc_set_q (mpc_ptr a, mpq_srcptr b, mpc_rnd_t rnd)
   MPC_SET_X (q, a, b, rnd)

int
mpc_set_f (mpc_ptr a, mpf_srcptr b, mpc_rnd_t rnd)
   MPC_SET_X (f, a, b, rnd)

#ifdef _MPC_H_HAVE_INTMAX_T
int
mpc_set_uj (mpc_ptr a, uintmax_t b, mpc_rnd_t rnd)
   MPC_SET_X (uj, a, b, rnd)

int
mpc_set_sj (mpc_ptr a, intmax_t b, mpc_rnd_t rnd)
   MPC_SET_X (sj, a, b, rnd)
#endif

#ifdef HAVE_COMPLEX_H
int
mpc_set_dc (mpc_ptr a, double _Complex b, mpc_rnd_t rnd) {
   return mpc_set_d_d (a, creal (b), cimag (b), rnd);
}

int
mpc_set_ldc (mpc_ptr a, long double _Complex b, mpc_rnd_t rnd) {
   return mpc_set_ld_ld (a, creall (b), cimagl (b), rnd);
}
#endif

void
mpc_set_nan (mpc_ptr a) {
   mpfr_set_nan (mpc_realref (a));
   mpfr_set_nan (mpc_imagref (a));
}