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Diffstat (limited to 'mpc.h')
| -rw-r--r-- | mpc.h | 180 |
1 files changed, 180 insertions, 0 deletions
@@ -0,0 +1,180 @@ +/* mpc.h -- Include file for mpc. + +Copyright (C) 2002 Andreas Enge, Paul Zimmermann + +This file is part of the MPC Library. + +The MPC Library 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 2.1 of the License, or (at your +option) any later version. + +The MPC Library 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 the MPC Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#ifndef __MPC_H +#define __MPC_H + +/* check if stdio.h is included */ +#if defined (FILE) || defined (H_STDIO) || defined (_H_STDIO) \ + || defined (_STDIO_H) || defined (_STDIO_H_) || defined (__STDIO_H__) \ + || defined (_STDIO_INCLUDED) || defined (__dj_include_stdio_h_) +#define _MPC_H_HAVE_FILE 1 +#endif + +/* Definition of rounding modes */ + +/* a complex rounding mode is just a pair of two real rounding modes + we reserve three bits for a real rounding mode, to have space to + add the "away from zero" rounding mode. + */ +#define RNDC(r1,r2) ((r1) + (r2 << 3)) +#define MPC_RND_RE(x) ((x) & 0x07) +#define MPC_RND_IM(x) ((x) >> 3) + +#define GMP_RNDA 4 /* round away from zero */ + +#define MPC_RNDNN RNDC(GMP_RNDN,GMP_RNDN) +#define MPC_RNDNZ RNDC(GMP_RNDN,GMP_RNDZ) +#define MPC_RNDNU RNDC(GMP_RNDN,GMP_RNDU) +#define MPC_RNDND RNDC(GMP_RNDN,GMP_RNDD) +#define MPC_RNDNA RNDC(GMP_RNDN,GMP_RNDA) + +#define MPC_RNDZN RNDC(GMP_RNDZ,GMP_RNDN) +#define MPC_RNDZZ RNDC(GMP_RNDZ,GMP_RNDZ) +#define MPC_RNDZU RNDC(GMP_RNDZ,GMP_RNDU) +#define MPC_RNDZD RNDC(GMP_RNDZ,GMP_RNDD) +#define MPC_RNDZA RNDC(GMP_RNDZ,GMP_RNDA) + +#define MPC_RNDUN RNDC(GMP_RNDU,GMP_RNDN) +#define MPC_RNDUZ RNDC(GMP_RNDU,GMP_RNDZ) +#define MPC_RNDUU RNDC(GMP_RNDU,GMP_RNDU) +#define MPC_RNDUD RNDC(GMP_RNDU,GMP_RNDD) +#define MPC_RNDUA RNDC(GMP_RNDU,GMP_RNDA) + +#define MPC_RNDDN RNDC(GMP_RNDD,GMP_RNDN) +#define MPC_RNDDZ RNDC(GMP_RNDD,GMP_RNDZ) +#define MPC_RNDDU RNDC(GMP_RNDD,GMP_RNDU) +#define MPC_RNDDD RNDC(GMP_RNDD,GMP_RNDD) +#define MPC_RNDDA RNDC(GMP_RNDD,GMP_RNDA) + +#define MPC_RNDAN RNDC(GMP_RNDA,GMP_RNDN) +#define MPC_RNDAZ RNDC(GMP_RNDA,GMP_RNDZ) +#define MPC_RNDAU RNDC(GMP_RNDA,GMP_RNDU) +#define MPC_RNDAD RNDC(GMP_RNDA,GMP_RNDD) +#define MPC_RNDAA RNDC(GMP_RNDA,GMP_RNDA) + +/* 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) + +#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) + +/* Definitions of types and their semantics */ + +/* typedef int mp_rnd_t; */ /* imported from mpfr.h, + only 2*3 = 6 bits are used */ + +typedef struct { + mpfr_t re; + mpfr_t im; +} +__mpc_struct; + +#define MPC_RE(x) ((x)->re) +#define MPC_IM(x) ((x)->im) + +typedef __mpc_struct mpc_t[1]; +typedef __mpc_struct *mpc_ptr; +typedef __gmp_const __mpc_struct *mpc_srcptr; + +/* Prototypes */ + +#ifndef _PROTO +#if defined (__STDC__) || defined (__cplusplus) +#define _PROTO(x) x +#else +#define _PROTO(x) () +#endif +#endif + +#if defined (__cplusplus) +extern "C" { +#endif + +extern mp_prec_t __mpc_default_fp_bit_precision; + +int mpc_add _PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mp_rnd_t)); +int mpc_add_fr _PROTO ((mpc_ptr, mpc_srcptr, mpfr_srcptr, mp_rnd_t)); +int mpc_add_ui _PROTO ((mpc_ptr, mpc_srcptr, unsigned long int, mp_rnd_t)); +int mpc_sub _PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mp_rnd_t)); +int mpc_sub_ui _PROTO ((mpc_ptr, mpc_srcptr, unsigned long int, mp_rnd_t)); +int mpc_mul _PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mp_rnd_t)); +int mpc_mul_naive _PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mp_rnd_t)); +int mpc_mul_karatsuba _PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mp_rnd_t)); +int mpc_mul_fr _PROTO ((mpc_ptr, mpc_srcptr, mpfr_srcptr, mp_rnd_t)); +int mpc_mul_ui _PROTO ((mpc_ptr, mpc_srcptr, unsigned long int, mp_rnd_t)); +int mpc_sqr _PROTO ((mpc_ptr, mpc_srcptr, mp_rnd_t)); +int mpc_div _PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mp_rnd_t)); +int mpc_div_fr _PROTO ((mpc_ptr, mpc_srcptr, mpfr_srcptr, mp_rnd_t)); +int mpc_div_ui _PROTO ((mpc_ptr, mpc_srcptr, unsigned long int, mp_rnd_t)); +int mpc_ui_div _PROTO ((mpc_ptr, unsigned long int, mpc_srcptr, mp_rnd_t)); +int mpc_div_2exp _PROTO ((mpc_ptr, mpc_srcptr, unsigned long int, mp_rnd_t)); +int mpc_mul_2exp _PROTO ((mpc_ptr, mpc_srcptr, unsigned long int, mp_rnd_t)); +int mpc_conj _PROTO ((mpc_ptr, mpc_srcptr, mp_rnd_t)); +int mpc_neg _PROTO ((mpc_ptr, mpc_srcptr, mp_rnd_t)); +int mpc_norm _PROTO ((mpfr_ptr, mpc_srcptr, mp_rnd_t)); +int mpc_abs _PROTO ((mpfr_ptr, mpc_srcptr, mp_rnd_t)); +int mpc_sqrt _PROTO ((mpc_ptr, mpc_srcptr, mp_rnd_t)); +int mpc_set _PROTO ((mpc_ptr, mpc_srcptr, mp_rnd_t)); +int mpc_set_d_d _PROTO ((mpc_ptr, double, double, mp_rnd_t)); +int mpc_set_ui_fr _PROTO ((mpc_ptr, unsigned long int, mpfr_srcptr, mp_rnd_t)); +int mpc_set_ui_ui _PROTO ((mpc_ptr, unsigned long int, unsigned long int, mp_rnd_t)); +int mpc_set_si_si _PROTO ((mpc_ptr, long int, long int, mp_rnd_t)); +int mpc_cmp _PROTO ((mpc_srcptr, mpc_srcptr)); +void mpc_exp _PROTO ((mpc_ptr, mpc_srcptr, mp_rnd_t)); +void mpc_clear _PROTO ((mpc_ptr)); +void mpc_init _PROTO ((mpc_ptr)); +void mpc_random _PROTO ((mpc_ptr)); +void mpc_random2 _PROTO ((mpc_ptr, mp_size_t, mp_exp_t)); +void mpc_init2 _PROTO ((mpc_ptr, mp_prec_t)); +void mpc_init3 _PROTO ((mpc_ptr, mp_prec_t, mp_prec_t)); +void mpc_set_prec _PROTO ((mpc_ptr, mp_prec_t)); +void mpc_set_default_prec _PROTO ((mp_prec_t)); +mp_prec_t mpc_get_default_prec _PROTO ((void)); +#ifdef _MPC_H_HAVE_FILE +size_t mpc_inp_str _PROTO ((mpc_ptr, FILE *, int, mp_rnd_t)); +size_t mpc_out_str _PROTO ((FILE *, int, size_t, mpc_srcptr, mp_rnd_t)); +#endif + +#if defined (__cplusplus) +} +#endif + +#define mpc_set_d(x, y, rnd) mpc_set_d_d(x, y, 0.0, rnd) +#define mpc_set_ui(x, y, rnd) mpc_set_ui_ui(x, y, 0, rnd) +#define mpc_set_si(x, y, rnd) mpc_set_si_si(x, y, 0, rnd) +#define mpc_init_set(x, y, rnd) \ + ( mpc_init(x), mpc_set((x), (y), (rnd)) ) +#define mpc_init_set_ui_fr(x, y, z, rnd) \ + ( mpc_init(x), mpc_set_ui_fr((x), (y), (z), (rnd)) ) +#define mpc_init_set_ui_ui(x, y, z, rnd) \ + ( mpc_init(x), mpc_set_ui_ui((x), (y), (z), (rnd)) ) +#define mpc_init_set_si_si(x, y, z, rnd) \ + ( mpc_init(x), mpc_set_si_si((x), (y), (z), (rnd)) ) +#define mpc_add_si(x, y, z, rnd) \ + ( (z) >= 0 ? mpc_add_ui ((x), (y), (z), (rnd)) : mpc_sub_ui ((x), (y), -(z), (rnd)) ) + +#endif /* ifndef __MPC_H */ |