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* stdlib/Makefile (mpn-stuff): New target.

Browse Source 
(copy-mpn): Use it.

	* Code copied from GMP updated to 1.937 version.
	* stdlib/strtod.c (HAVE_ALLOCA): Define this for gmp headers.
This commit is contained in:
Roland McGrath
1996-03-01 18:45:35 +00:00
parent bc47d7a85b
commit 6b628d3634
73 changed files with 2618 additions and 955 deletions
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114
stdlib/gmp-impl.h
View File

@ -1,6 +1,6 @@
/* Include file for internal GNU MP types and definitions.
Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.
Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
@ -18,25 +18,50 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#if ! defined (alloca)
#if defined (__GNUC__)
/* 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 (alloca)
#if defined (__sparc__) || defined (sparc) || defined (__sgi)
#include <alloca.h>
#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 0L
#define NULL ((void *) 0)
#endif
#if ! defined (__GNUC__)
#define inline /* Empty */
void *alloca();
#endif
#define ABS(x) (x >= 0 ? x : -x)
@ -46,7 +71,7 @@ void *alloca();
#include "gmp-mparam.h"
/* #include "longlong.h" */
#ifdef __STDC__
#if defined (__STDC__) || defined (__cplusplus)
void *malloc (size_t);
void *realloc (void *, size_t);
void free (void *);
@ -119,35 +144,6 @@ void _mp_default_free ();
} \
} while (0)
/* Swap (mp_ptr, mp_size_t) (U, UL) with (V, VL) */
#define MPN_SWAP(u, l, v, m) \
do { \
{ mp_ptr _; _ = (u), (u) = (v), (v) = _;} \
{ mp_size_t _; _ = (l), (l) = (m), (m) = _;} \
} while (0)
/* Return true iff the limb X has less bits than the limb Y. */
#define MPN_LESS_BITS_LIMB(x,y) ((x) < (y) && (x) < ((x) ^ (y)))
/* Return true iff (mp_ptr, mp_size_t) (U, UL) has less bits than (V, VL). */
#define MPN_LESS_BITS(u, l, v, m) \
((l) < (m) \
|| ((l) == (m) && (l) != 0 && MPN_LESS_BITS_LIMB ((u)[(l - 1)], (v)[(l) - 1])))
/* Return true iff (mp_ptr, mp_size_t) (U, UL) has more bits than (V, VL). */
#define MPN_MORE_BITS(u, l, v, m) MPN_LESS_BITS (v, m, u, l)
/* Perform twos complement on (mp_ptr, mp_size_t) (U, UL),
putting result at (v, VL). Precondition: U[0] != 0. */
#define MPN_COMPL_INCR(u, v, l) \
do { \
mp_size_t _ = 0; \
(u)[0] = -(v)[_]; \
while (_++ < (l)) \
(u)[_] = ~(v)[_]; \
} while (0)
#define MPN_COMPL MPN_COMPL_INCR
/* 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.
@ -156,23 +152,23 @@ void _mp_default_free ();
#define MPZ_TMP_INIT(X, NLIMBS) \
do { \
mpz_ptr __x = (X); \
__x->alloc = (NLIMBS); \
__x->d = (mp_ptr) alloca ((NLIMBS) * BYTES_PER_MP_LIMB); \
__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) \
____mpn_mul_n_basecase (prodp, up, vp, size); \
impn_mul_n_basecase (prodp, up, vp, size); \
else \
____mpn_mul_n (prodp, up, vp, size, tspace); \
impn_mul_n (prodp, up, vp, size, tspace); \
} while (0);
#define MPN_SQR_N_RECURSE(prodp, up, size, tspace) \
do { \
if ((size) < KARATSUBA_THRESHOLD) \
____mpn_sqr_n_basecase (prodp, up, size); \
impn_sqr_n_basecase (prodp, up, size); \
else \
____mpn_sqr_n (prodp, up, size, tspace); \
impn_sqr_n (prodp, up, size, tspace); \
} while (0);
/* Structure for conversion between internal binary format and
@ -198,6 +194,13 @@ struct bases
mp_limb big_base_inverted;
};
/* Access macros for structure fields for user-visible structures with
hidden fields. */
#define size(X) (X)._mp_size
#define alloc(X) (X)._mp_alloc
#define prec(X) (X)._mp_prec
#define limbs(X) (X)._mp_d
extern const struct bases __mp_bases[];
extern mp_size_t __gmp_default_fp_limb_precision;
@ -288,6 +291,11 @@ typedef mp_limb 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)
#ifndef IEEE_DOUBLE_BIG_ENDIAN
#define IEEE_DOUBLE_BIG_ENDIAN 1
@ -298,10 +306,10 @@ union ieee_double_extract
{
struct
{
unsigned long sig:1;
unsigned long exp:11;
unsigned long manh:20;
unsigned long manl:32;
unsigned int sig:1;
unsigned int exp:11;
unsigned int manh:20;
unsigned int manl:32;
} s;
double d;
};
@ -310,10 +318,10 @@ union ieee_double_extract
{
struct
{
unsigned long manl:32;
unsigned long manh:20;
unsigned long exp:11;
unsigned long sig:1;
unsigned int manl:32;
unsigned int manh:20;
unsigned int exp:11;
unsigned int sig:1;
} s;
double d;
};