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Diffstat (limited to 'gnu/lib/libgmp/gmp-impl.h')
| -rw-r--r-- | gnu/lib/libgmp/gmp-impl.h | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/gnu/lib/libgmp/gmp-impl.h b/gnu/lib/libgmp/gmp-impl.h deleted file mode 100644 index 7d56846..0000000 --- a/gnu/lib/libgmp/gmp-impl.h +++ /dev/null @@ -1,367 +0,0 @@ -/* Include file for internal GNU MP types and definitions. - -Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. - -This file is part of the GNU MP Library. - -The GNU MP Library is free software; you can redistribute it and/or modify -it under the terms of the GNU Library General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at your -option) any later version. - -The GNU MP 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 Library General Public -License for more details. - -You should have received a copy of the GNU Library General Public License -along with the GNU MP 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. */ - -/* When using gcc, make sure to use its builtin alloca. */ -#if ! defined (alloca) && defined (__GNUC__) -#define alloca __builtin_alloca -#define HAVE_ALLOCA -#endif - -/* When using cc, do whatever necessary to allow use of alloca. For many - machines, this means including alloca.h. IBM's compilers need a #pragma - in "each module that needs to use alloca". */ -#if ! defined (alloca) -/* We need lots of variants for MIPS, to cover all versions and perversions - of OSes for MIPS. */ -#if defined (__mips) || defined (MIPSEL) || defined (MIPSEB) \ - || defined (_MIPSEL) || defined (_MIPSEB) || defined (__sgi) \ - || defined (__alpha) || defined (__sparc) || defined (sparc) \ - || defined (__ksr__) -#include <alloca.h> -#define HAVE_ALLOCA -#endif -#if defined (_IBMR2) -#pragma alloca -#define HAVE_ALLOCA -#endif -#if defined (__DECC) -#define alloca(x) __ALLOCA(x) -#define HAVE_ALLOCA -#endif -#endif - -#if ! defined (HAVE_ALLOCA) || USE_STACK_ALLOC -#include "stack-alloc.h" -#else -#define TMP_DECL(m) -#define TMP_ALLOC(x) alloca(x) -#define TMP_MARK(m) -#define TMP_FREE(m) -#endif - -#ifndef NULL -#define NULL ((void *) 0) -#endif - -#if ! defined (__GNUC__) -#define inline /* Empty */ -#endif - -#define ABS(x) (x >= 0 ? x : -x) -#define MIN(l,o) ((l) < (o) ? (l) : (o)) -#define MAX(h,i) ((h) > (i) ? (h) : (i)) - -/* Field access macros. */ -#define SIZ(x) ((x)->_mp_size) -#define ABSIZ(x) ABS (SIZ (x)) -#define PTR(x) ((x)->_mp_d) -#define EXP(x) ((x)->_mp_exp) -#define PREC(x) ((x)->_mp_prec) -#define ALLOC(x) ((x)->_mp_alloc) - -#include "gmp-mparam.h" -/* #include "longlong.h" */ - -#if defined (__STDC__) || defined (__cplusplus) -void *malloc (size_t); -void *realloc (void *, size_t); -void free (void *); - -extern void * (*_mp_allocate_func) (size_t); -extern void * (*_mp_reallocate_func) (void *, size_t, size_t); -extern void (*_mp_free_func) (void *, size_t); - -void *_mp_default_allocate (size_t); -void *_mp_default_reallocate (void *, size_t, size_t); -void _mp_default_free (void *, size_t); - -#else - -#define const /* Empty */ -#define signed /* Empty */ - -void *malloc (); -void *realloc (); -void free (); - -extern void * (*_mp_allocate_func) (); -extern void * (*_mp_reallocate_func) (); -extern void (*_mp_free_func) (); - -void *_mp_default_allocate (); -void *_mp_default_reallocate (); -void _mp_default_free (); -#endif - -/* Copy NLIMBS *limbs* from SRC to DST. */ -#define MPN_COPY_INCR(DST, SRC, NLIMBS) \ - do { \ - mp_size_t __i; \ - for (__i = 0; __i < (NLIMBS); __i++) \ - (DST)[__i] = (SRC)[__i]; \ - } while (0) -#define MPN_COPY_DECR(DST, SRC, NLIMBS) \ - do { \ - mp_size_t __i; \ - for (__i = (NLIMBS) - 1; __i >= 0; __i--) \ - (DST)[__i] = (SRC)[__i]; \ - } while (0) -#define MPN_COPY MPN_COPY_INCR - -/* Zero NLIMBS *limbs* AT DST. */ -#define MPN_ZERO(DST, NLIMBS) \ - do { \ - mp_size_t __i; \ - for (__i = 0; __i < (NLIMBS); __i++) \ - (DST)[__i] = 0; \ - } while (0) - -#define MPN_NORMALIZE(DST, NLIMBS) \ - do { \ - while (NLIMBS > 0) \ - { \ - if ((DST)[(NLIMBS) - 1] != 0) \ - break; \ - NLIMBS--; \ - } \ - } while (0) -#define MPN_NORMALIZE_NOT_ZERO(DST, NLIMBS) \ - do { \ - while (1) \ - { \ - if ((DST)[(NLIMBS) - 1] != 0) \ - break; \ - NLIMBS--; \ - } \ - } while (0) - -/* Initialize the MP_INT X with space for NLIMBS limbs. - X should be a temporary variable, and it will be automatically - cleared out when the running function returns. - We use __x here to make it possible to accept both mpz_ptr and mpz_t - arguments. */ -#define MPZ_TMP_INIT(X, NLIMBS) \ - do { \ - mpz_ptr __x = (X); \ - __x->_mp_alloc = (NLIMBS); \ - __x->_mp_d = (mp_ptr) TMP_ALLOC ((NLIMBS) * BYTES_PER_MP_LIMB); \ - } while (0) - -#define MPN_MUL_N_RECURSE(prodp, up, vp, size, tspace) \ - do { \ - if ((size) < KARATSUBA_THRESHOLD) \ - impn_mul_n_basecase (prodp, up, vp, size); \ - else \ - impn_mul_n (prodp, up, vp, size, tspace); \ - } while (0); -#define MPN_SQR_N_RECURSE(prodp, up, size, tspace) \ - do { \ - if ((size) < KARATSUBA_THRESHOLD) \ - impn_sqr_n_basecase (prodp, up, size); \ - else \ - impn_sqr_n (prodp, up, size, tspace); \ - } while (0); - -/* Structure for conversion between internal binary format and - strings in base 2..36. */ -struct bases -{ - /* Number of digits in the conversion base that always fits in an mp_limb_t. - For example, for base 10 on a machine where a mp_limb_t has 32 bits this - is 9, since 10**9 is the largest number that fits into a mp_limb_t. */ - int chars_per_limb; - - /* log(2)/log(conversion_base) */ - float chars_per_bit_exactly; - - /* base**chars_per_limb, i.e. the biggest number that fits a word, built by - factors of base. Exception: For 2, 4, 8, etc, big_base is log2(base), - i.e. the number of bits used to represent each digit in the base. */ - mp_limb_t big_base; - - /* A BITS_PER_MP_LIMB bit approximation to 1/big_base, represented as a - fixed-point number. Instead of dividing by big_base an application can - choose to multiply by big_base_inverted. */ - mp_limb_t big_base_inverted; -}; - -extern const struct bases __mp_bases[]; -extern mp_size_t __gmp_default_fp_limb_precision; - -/* Divide the two-limb number in (NH,,NL) by D, with DI being the largest - limb not larger than (2**(2*BITS_PER_MP_LIMB))/D - (2**BITS_PER_MP_LIMB). - If this would yield overflow, DI should be the largest possible number - (i.e., only ones). For correct operation, the most significant bit of D - has to be set. Put the quotient in Q and the remainder in R. */ -#define udiv_qrnnd_preinv(q, r, nh, nl, d, di) \ - do { \ - mp_limb_t _q, _ql, _r; \ - mp_limb_t _xh, _xl; \ - umul_ppmm (_q, _ql, (nh), (di)); \ - _q += (nh); /* DI is 2**BITS_PER_MP_LIMB too small */\ - umul_ppmm (_xh, _xl, _q, (d)); \ - sub_ddmmss (_xh, _r, (nh), (nl), _xh, _xl); \ - if (_xh != 0) \ - { \ - sub_ddmmss (_xh, _r, _xh, _r, 0, (d)); \ - _q += 1; \ - if (_xh != 0) \ - { \ - sub_ddmmss (_xh, _r, _xh, _r, 0, (d)); \ - _q += 1; \ - } \ - } \ - if (_r >= (d)) \ - { \ - _r -= (d); \ - _q += 1; \ - } \ - (r) = _r; \ - (q) = _q; \ - } while (0) -/* Like udiv_qrnnd_preinv, but for for any value D. DNORM is D shifted left - so that its most significant bit is set. LGUP is ceil(log2(D)). */ -#define udiv_qrnnd_preinv2gen(q, r, nh, nl, d, di, dnorm, lgup) \ - do { \ - mp_limb_t n2, n10, n1, nadj, q1; \ - mp_limb_t _xh, _xl; \ - n2 = ((nh) << (BITS_PER_MP_LIMB - (lgup))) + ((nl) >> 1 >> (l - 1));\ - n10 = (nl) << (BITS_PER_MP_LIMB - (lgup)); \ - n1 = ((mp_limb_signed_t) n10 >> (BITS_PER_MP_LIMB - 1)); \ - nadj = n10 + (n1 & (dnorm)); \ - umul_ppmm (_xh, _xl, di, n2 - n1); \ - add_ssaaaa (_xh, _xl, _xh, _xl, 0, nadj); \ - q1 = ~(n2 + _xh); \ - umul_ppmm (_xh, _xl, q1, d); \ - add_ssaaaa (_xh, _xl, _xh, _xl, nh, nl); \ - _xh -= (d); \ - (r) = _xl + ((d) & _xh); \ - (q) = _xh - q1; \ - } while (0) -/* Exactly like udiv_qrnnd_preinv, but branch-free. It is not clear which - version to use. */ -#define udiv_qrnnd_preinv2norm(q, r, nh, nl, d, di) \ - do { \ - mp_limb_t n2, n10, n1, nadj, q1; \ - mp_limb_t _xh, _xl; \ - n2 = (nh); \ - n10 = (nl); \ - n1 = ((mp_limb_signed_t) n10 >> (BITS_PER_MP_LIMB - 1)); \ - nadj = n10 + (n1 & (d)); \ - umul_ppmm (_xh, _xl, di, n2 - n1); \ - add_ssaaaa (_xh, _xl, _xh, _xl, 0, nadj); \ - q1 = ~(n2 + _xh); \ - umul_ppmm (_xh, _xl, q1, d); \ - add_ssaaaa (_xh, _xl, _xh, _xl, nh, nl); \ - _xh -= (d); \ - (r) = _xl + ((d) & _xh); \ - (q) = _xh - q1; \ - } while (0) - -#if defined (__GNUC__) -/* Define stuff for longlong.h. */ -typedef unsigned int UQItype __attribute__ ((mode (QI))); -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); -typedef int DItype __attribute__ ((mode (DI))); -typedef unsigned int UDItype __attribute__ ((mode (DI))); -#else -typedef unsigned char UQItype; -typedef long SItype; -typedef unsigned long USItype; -#endif - -typedef mp_limb_t UWtype; -typedef unsigned int UHWtype; -#define W_TYPE_SIZE BITS_PER_MP_LIMB - -/* Internal mpn calls */ -#define impn_mul_n_basecase __MPN(impn_mul_n_basecase) -#define impn_mul_n __MPN(impn_mul_n) -#define impn_sqr_n_basecase __MPN(impn_sqr_n_basecase) -#define impn_sqr_n __MPN(impn_sqr_n) - -/* Define ieee_double_extract and _GMP_IEEE_FLOATS. */ - -#if defined (_LITTLE_ENDIAN) || defined (__LITTLE_ENDIAN__) \ - || defined (__alpha) \ - || (defined (__arm__) && defined (__ARMWEL__)) \ - || defined (__clipper__) \ - || defined (__cris) \ - || defined (__i386__) \ - || defined (__i860__) \ - || defined (__i960__) \ - || defined (MIPSEL) || defined (_MIPSEL) \ - || defined (__ns32000__) \ - || defined (__WINNT) || defined (_WIN32) -#define _GMP_IEEE_FLOATS 1 -union ieee_double_extract -{ - struct - { - unsigned int manl:32; - unsigned int manh:20; - unsigned int exp:11; - unsigned int sig:1; - } s; - double d; -}; -#else /* Need this as an #else since the tests aren't made exclusive. */ -#if defined (_BIG_ENDIAN) \ - || defined (__a29k__) || defined (_AM29K) \ - || defined (__arm__) \ - || (defined (__convex__) && defined (_IEEE_FLOAT_)) \ - || defined (__i370__) || defined (__mvs__) \ - || defined (__mc68000__) || defined (__mc68020__) || defined (__NeXT__)\ - || defined(mc68020) \ - || defined (__m88000__) \ - || defined (MIPSEB) || defined (_MIPSEB) \ - || defined (__hppa) \ - || defined (__pyr__) \ - || defined (__ibm032__) \ - || defined (_IBMR2) || defined (_ARCH_PPC) \ - || defined (__sh__) \ - || defined (__sparc) || defined (sparc) \ - || defined (__we32k__) -#define _GMP_IEEE_FLOATS 1 -union ieee_double_extract -{ - struct - { - unsigned int sig:1; - unsigned int exp:11; - unsigned int manh:20; - unsigned int manl:32; - } s; - double d; -}; -#endif -#endif - -#define MP_BASE_AS_DOUBLE (2.0 * ((mp_limb_t) 1 << (BITS_PER_MP_LIMB - 1))) -#if BITS_PER_MP_LIMB == 64 -#define LIMBS_PER_DOUBLE 2 -#else -#define LIMBS_PER_DOUBLE 3 -#endif - -double __gmp_scale2 _PROTO ((double, int)); -int __gmp_extract_double _PROTO((mp_ptr, double)); |
