Update.
1997-09-25 00:23 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-profile.c: Correct implementation.
* io/ftwtest-sh: Don't depend on TMPDIR == /tmp.
* locale/setlocale.c: Rewrite a bit for more clarity.
* math/Makefile (libm-calls): Add w_exp2.
* math/math_private.h: Add prototypes for __ieee754_exp2{,f,l}.
* sysdeps/libm-i387/s_exp2.S: Change name to __ieee754_exp2.
* sysdeps/libm-i387/s_exp2f.S: Likewise.
* sysdeps/libm-i387/s_exp2l.S: Likewise.
* sysdeps/libm-ieee754/k_standard.c: Add error cases for exp2.
* string/bits/string2.h (__strcpy_small): Optimize.
(__stpcpy_small): Likewise.
(strncpy): Use variable for dest argument since it's used more than
once.
(strncat): Likewise.
(strcmp): Add optimization for this function.
* sysdeps/i386/i486/string.h (strlen): Correctly use __builtin_strlen.
(__strcpy_small): Optimize.
(__stpcpy_small): Likewise.
(__stpcpy_c): Correctly use __mempcpy_* macros.
(__mempcpy_by2, __mempcpy_by4, __mempcpy_byn): Return pointer to
byte following last copied.
(strncat): Use variable for dest argument since it's used more than
once.
(strcmp): Add optimization for this function.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Use
.text and .previous to select correct section.
1997-09-23 19:56 Philip Blundell <Philip.Blundell@pobox.com>
* configure.in: Add `--disable-versioning' option to suppress the
use of symbol versions even if binutils claims to support it.
1997-09-24 20:10 Philip Blundell <Philip.Blundell@pobox.com>
* csu/Makefile (before-compile): Don't try to build abi-tags.h if
not using ELF.
1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/sofini.c [HAVE_DWARF2_UNWIND_INFO]: Supply termination for
the frame unwind info section.
* elf/soinit.c [HAVE_DWARF2_UNWIND_INFO]: Register and unregister
the frame unwind info.
* config.h.in (HAVE_DWARF2_UNWIND_INFO): Add #undef.
* configure.in: Check whether gcc supports DWARF2 unwind info.
* libc.map: Export frame handling tables.
1997-09-10 06:56 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/unix/sysv/linux/powerpc/bits/kernel_termios.h:
Use the size of the kernel's termios structure for ioctls.
* sysdeps/powerpc/dl-machine.h: Prepare for library profiling.
* sysdeps/powerpc/bits/mathinline.h: Add slightly slower versions
of the C9X FP comparison macros. Delete 'fabs' and 'sqrt' inline
routines, because gcc has them as internals.
* sysdeps/powerpc/Makefile (pic-ccflags): Define this instead of
CFLAGS-.os.
* sysdeps/powerpc/bzero.S: New file.
* sysdeps/powerpc/strcat.c: New file.
* sysdeps/powerpc/strcpy.S: New file.
* sysdeps/powerpc/stpcpy.S: New file.
* math/Makefile: Add atest_exp2, test-reduce.
* math/atest_exp2.c: New file.
* math/test-reduce.c: New file.
* sysdeps/libm-ieee754/Dist: New file.
* sysdeps/libm-ieee754/s_exp2.c: New file.
* sysdeps/libm-ieee754/s_exp2f.c: New file.
* sysdeps/libm-ieee754/t_exp2.h: New file.
* sysdeps/libm-ieee754/t_exp2f.h: New file.
* math/libm-test.c (exp2_test): Add some more tests.
* Rules: Use empty.os instead of empty.o, since it gets linked into
libc.so...
* configure.in: Add --disable-static to disable building .a files.
* config.make.in: Substitute the new variable.
* Makeconfig: Don't build .o files if not building .a files.
* elf/dl-runtime.c (fixup): Factor out call to elf_machine_relplt.
(profile_fixup): Likewise.
1997-09-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* posix/globtest.c (main): Change to directory passed as first
argument.
* posix/globtest.sh: Don't cd before running the program, instead
pass testdir as argument, so that $common_objpfx remains valid.
1997-09-23 18:01 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nis/nis_call.c (__do_niscall2): Fix multiple Server support.
* nis/nis_findserver.c: Save latest working sockaddr_in.
1997-09-17 22:07 Zack Weinberg <zack@rabi.phys.columbia.edu>
* configure.in: Automatically determine whether as and ld are the
GNU versions.
(options): --with-gnu-{as,ld,binutils} replaced by
single option --with-binutils=PATH specifying a -B option to gcc.
* aclocal.m4: Two new macros defined, LIBC_PROG_FOO_GNU and
LIBC_PROG_BINUTILS.
* configure.in: Allow the user to force configuration for
unsupported platforms with an undocumented option.
1997-09-22 16:55 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* sunrpc/get_myaddr.c (get_myaddress): Avoid loopback interfaces,
return loopback address only if there is no other interface.
* nis/Makefile: Add nis_callback libnsl-routines.
* nis/nis_add.c: Use new __do_niscall* interface.
* nis/nis_cache.c: Likewise.
* nis/nis_checkpoint.c: Likewise.
* nis/nis_lookup.c: Likewise.
* nis/nis_mkdir.c: Likewise.
* nis/nis_modify.c: Likewise.
* nis/nis_ping.c: Likewise.
* nis/nis_remove.c: Likewise.
* nis/nis_rmdir.c: Likewise.
* nis/nis_server.c: Likewise.
* nis/nis_util.c: Likewise.
* nis/rpcsvc/nis.h: Make C++ safe.
* nis/nss_nisplus/nisplus-publickey.c (getsecretkey): Fix use
of variables.
* nis/nis_findserv.c: Make thread safe.
* nis/nis_call.c: Add support for callback, Fix use of variables.
* nis/nis_table.c: Add support for callback, FOLLOW_PATH and
ALL_RESULTS.
* nis/nis_callback.c: New, callback functions.
* nis/nis_intern.h: Add callback declarations.
1997-09-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* string/bits/string2.h: Fix logic in preprocessor directive.
(__strsep_1c, __strsep_g): Don't declare __retval as pointing to
const, to save a cast and a possible warning.
1997-09-22 04:12 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/i486/atomicity.h (exchange_and_add): Really address
memory in xadd not %1.
1997-09-21 13:56 Ulrich Drepper <drepper@cygnus.com>
* manual/maint.texi (Supported Configurations): Add SPARC64 to
list of supported platforms.
1997-09-25 01:03:42 +02:00
|
|
|
/* Copyright (C) 1997 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU C Library.
|
|
|
|
Contributed by Geoffrey Keating <Geoff.Keating@anu.edu.au>, 1997.
|
|
|
|
|
|
|
|
The GNU C 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 C 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 C 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. */
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <math.h>
|
1997-09-27 02:21:42 +02:00
|
|
|
#include <stdlib/gmp.h>
|
Update.
1997-09-25 00:23 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-profile.c: Correct implementation.
* io/ftwtest-sh: Don't depend on TMPDIR == /tmp.
* locale/setlocale.c: Rewrite a bit for more clarity.
* math/Makefile (libm-calls): Add w_exp2.
* math/math_private.h: Add prototypes for __ieee754_exp2{,f,l}.
* sysdeps/libm-i387/s_exp2.S: Change name to __ieee754_exp2.
* sysdeps/libm-i387/s_exp2f.S: Likewise.
* sysdeps/libm-i387/s_exp2l.S: Likewise.
* sysdeps/libm-ieee754/k_standard.c: Add error cases for exp2.
* string/bits/string2.h (__strcpy_small): Optimize.
(__stpcpy_small): Likewise.
(strncpy): Use variable for dest argument since it's used more than
once.
(strncat): Likewise.
(strcmp): Add optimization for this function.
* sysdeps/i386/i486/string.h (strlen): Correctly use __builtin_strlen.
(__strcpy_small): Optimize.
(__stpcpy_small): Likewise.
(__stpcpy_c): Correctly use __mempcpy_* macros.
(__mempcpy_by2, __mempcpy_by4, __mempcpy_byn): Return pointer to
byte following last copied.
(strncat): Use variable for dest argument since it's used more than
once.
(strcmp): Add optimization for this function.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Use
.text and .previous to select correct section.
1997-09-23 19:56 Philip Blundell <Philip.Blundell@pobox.com>
* configure.in: Add `--disable-versioning' option to suppress the
use of symbol versions even if binutils claims to support it.
1997-09-24 20:10 Philip Blundell <Philip.Blundell@pobox.com>
* csu/Makefile (before-compile): Don't try to build abi-tags.h if
not using ELF.
1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/sofini.c [HAVE_DWARF2_UNWIND_INFO]: Supply termination for
the frame unwind info section.
* elf/soinit.c [HAVE_DWARF2_UNWIND_INFO]: Register and unregister
the frame unwind info.
* config.h.in (HAVE_DWARF2_UNWIND_INFO): Add #undef.
* configure.in: Check whether gcc supports DWARF2 unwind info.
* libc.map: Export frame handling tables.
1997-09-10 06:56 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/unix/sysv/linux/powerpc/bits/kernel_termios.h:
Use the size of the kernel's termios structure for ioctls.
* sysdeps/powerpc/dl-machine.h: Prepare for library profiling.
* sysdeps/powerpc/bits/mathinline.h: Add slightly slower versions
of the C9X FP comparison macros. Delete 'fabs' and 'sqrt' inline
routines, because gcc has them as internals.
* sysdeps/powerpc/Makefile (pic-ccflags): Define this instead of
CFLAGS-.os.
* sysdeps/powerpc/bzero.S: New file.
* sysdeps/powerpc/strcat.c: New file.
* sysdeps/powerpc/strcpy.S: New file.
* sysdeps/powerpc/stpcpy.S: New file.
* math/Makefile: Add atest_exp2, test-reduce.
* math/atest_exp2.c: New file.
* math/test-reduce.c: New file.
* sysdeps/libm-ieee754/Dist: New file.
* sysdeps/libm-ieee754/s_exp2.c: New file.
* sysdeps/libm-ieee754/s_exp2f.c: New file.
* sysdeps/libm-ieee754/t_exp2.h: New file.
* sysdeps/libm-ieee754/t_exp2f.h: New file.
* math/libm-test.c (exp2_test): Add some more tests.
* Rules: Use empty.os instead of empty.o, since it gets linked into
libc.so...
* configure.in: Add --disable-static to disable building .a files.
* config.make.in: Substitute the new variable.
* Makeconfig: Don't build .o files if not building .a files.
* elf/dl-runtime.c (fixup): Factor out call to elf_machine_relplt.
(profile_fixup): Likewise.
1997-09-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* posix/globtest.c (main): Change to directory passed as first
argument.
* posix/globtest.sh: Don't cd before running the program, instead
pass testdir as argument, so that $common_objpfx remains valid.
1997-09-23 18:01 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nis/nis_call.c (__do_niscall2): Fix multiple Server support.
* nis/nis_findserver.c: Save latest working sockaddr_in.
1997-09-17 22:07 Zack Weinberg <zack@rabi.phys.columbia.edu>
* configure.in: Automatically determine whether as and ld are the
GNU versions.
(options): --with-gnu-{as,ld,binutils} replaced by
single option --with-binutils=PATH specifying a -B option to gcc.
* aclocal.m4: Two new macros defined, LIBC_PROG_FOO_GNU and
LIBC_PROG_BINUTILS.
* configure.in: Allow the user to force configuration for
unsupported platforms with an undocumented option.
1997-09-22 16:55 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* sunrpc/get_myaddr.c (get_myaddress): Avoid loopback interfaces,
return loopback address only if there is no other interface.
* nis/Makefile: Add nis_callback libnsl-routines.
* nis/nis_add.c: Use new __do_niscall* interface.
* nis/nis_cache.c: Likewise.
* nis/nis_checkpoint.c: Likewise.
* nis/nis_lookup.c: Likewise.
* nis/nis_mkdir.c: Likewise.
* nis/nis_modify.c: Likewise.
* nis/nis_ping.c: Likewise.
* nis/nis_remove.c: Likewise.
* nis/nis_rmdir.c: Likewise.
* nis/nis_server.c: Likewise.
* nis/nis_util.c: Likewise.
* nis/rpcsvc/nis.h: Make C++ safe.
* nis/nss_nisplus/nisplus-publickey.c (getsecretkey): Fix use
of variables.
* nis/nis_findserv.c: Make thread safe.
* nis/nis_call.c: Add support for callback, Fix use of variables.
* nis/nis_table.c: Add support for callback, FOLLOW_PATH and
ALL_RESULTS.
* nis/nis_callback.c: New, callback functions.
* nis/nis_intern.h: Add callback declarations.
1997-09-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* string/bits/string2.h: Fix logic in preprocessor directive.
(__strsep_1c, __strsep_g): Don't declare __retval as pointing to
const, to save a cast and a possible warning.
1997-09-22 04:12 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/i486/atomicity.h (exchange_and_add): Really address
memory in xadd not %1.
1997-09-21 13:56 Ulrich Drepper <drepper@cygnus.com>
* manual/maint.texi (Supported Configurations): Add SPARC64 to
list of supported platforms.
1997-09-25 01:03:42 +02:00
|
|
|
#include <string.h>
|
|
|
|
#include <limits.h>
|
|
|
|
#include <assert.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
|
|
#define PRINT_ERRORS 0
|
|
|
|
|
|
|
|
#define TOL 80
|
|
|
|
#define N2 18
|
|
|
|
#define FRAC (32*4)
|
|
|
|
|
|
|
|
#define mpbpl (CHAR_BIT * sizeof (mp_limb_t))
|
|
|
|
#define SZ (FRAC / mpbpl + 1)
|
|
|
|
typedef mp_limb_t mp1[SZ], mp2[SZ * 2];
|
|
|
|
|
|
|
|
/* This string has 101 hex digits. */
|
|
|
|
static const char exp1[102] = "2" /* point */
|
|
|
|
"b7e151628aed2a6abf7158809cf4f3c762e7160f38b4da56a7"
|
|
|
|
"84d9045190cfef324e7738926cfbe5f4bf8d8d8c31d763da07";
|
|
|
|
static const char exp_m1[102] = "0" /* point */
|
|
|
|
"5e2d58d8b3bcdf1abadec7829054f90dda9805aab56c773330"
|
|
|
|
"24b9d0a507daedb16400bf472b4215b8245b669d90d27a5aea";
|
|
|
|
|
|
|
|
static const char hexdig[] = "0123456789abcdef";
|
|
|
|
|
|
|
|
void
|
|
|
|
print_mpn_fp (const mp_limb_t *x, unsigned int dp, unsigned int base)
|
|
|
|
{
|
|
|
|
unsigned int i;
|
|
|
|
mp1 tx;
|
|
|
|
|
|
|
|
memcpy (tx, x, sizeof (mp1));
|
|
|
|
if (base == 16)
|
|
|
|
fputs ("0x", stdout);
|
|
|
|
assert (x[SZ-1] < base);
|
|
|
|
fputc (hexdig[x[SZ - 1]], stdout);
|
|
|
|
fputc ('.', stdout);
|
|
|
|
for (i = 0; i < dp; i++)
|
|
|
|
{
|
|
|
|
tx[SZ - 1] = 0;
|
|
|
|
mpn_mul_1 (tx, tx, SZ, base);
|
|
|
|
assert (tx[SZ - 1] < base);
|
|
|
|
fputc (hexdig[tx[SZ - 1]], stdout);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
read_mpn_hex(mp_limb_t *x, const char *str)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
memset (x, 0, sizeof (mp1));
|
|
|
|
for (i = -1; i < 100 && i < FRAC / 4; ++i)
|
|
|
|
x[(FRAC - i * 4 - 4) / mpbpl] |= (strchr (hexdig, str[i + 1]) - hexdig
|
|
|
|
<< (FRAC - i * 4 - 4) % mpbpl);
|
|
|
|
}
|
|
|
|
|
|
|
|
static mp_limb_t *get_log2(void) __attribute__((const));
|
|
|
|
static mp_limb_t *
|
|
|
|
get_log2(void)
|
|
|
|
{
|
|
|
|
static mp1 log2_m;
|
|
|
|
static int log2_m_inited = 0;
|
|
|
|
static const char log2[102] = "0" /* point */
|
|
|
|
"b17217f7d1cf79abc9e3b39803f2f6af40f343267298b62d8a"
|
|
|
|
"0d175b8baafa2be7b876206debac98559552fb4afa1b10ed2e";
|
|
|
|
|
|
|
|
if (!log2_m_inited)
|
|
|
|
{
|
|
|
|
read_mpn_hex (log2_m, log2);
|
|
|
|
log2_m_inited = 1;
|
|
|
|
}
|
|
|
|
return log2_m;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Compute e^x. */
|
|
|
|
void
|
|
|
|
exp_mpn (mp1 ex, mp1 x)
|
|
|
|
{
|
|
|
|
unsigned int n;
|
|
|
|
mp1 xp;
|
|
|
|
mp2 tmp;
|
|
|
|
mp_limb_t chk, round;
|
|
|
|
mp1 tol;
|
|
|
|
|
|
|
|
memset (xp, 0, sizeof (mp1));
|
|
|
|
memset (ex, 0, sizeof (mp1));
|
|
|
|
xp[FRAC / mpbpl] = 1 << FRAC % mpbpl;
|
|
|
|
memset (tol, 0, sizeof (mp1));
|
|
|
|
tol[(FRAC - TOL) / mpbpl] = 1 << (FRAC - TOL) % mpbpl;
|
|
|
|
|
|
|
|
n = 0;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
/* Calculate sum(x^n/n!) until the next term is sufficiently small. */
|
|
|
|
|
|
|
|
mpn_mul_n (tmp, xp, x, SZ);
|
|
|
|
assert(tmp[SZ * 2 - 1] == 0);
|
|
|
|
if (n > 0)
|
|
|
|
round = mpn_divmod_1 (xp, tmp + FRAC / mpbpl, SZ, n);
|
|
|
|
chk = mpn_add_n (ex, ex, xp, SZ);
|
|
|
|
assert (chk == 0);
|
|
|
|
++n;
|
|
|
|
assert (n < 80); /* Catch too-high TOL. */
|
|
|
|
}
|
|
|
|
while (n < 10 || mpn_cmp (xp, tol, SZ) >= 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Calculate 2^x. */
|
|
|
|
void
|
|
|
|
exp2_mpn (mp1 ex, mp1 x)
|
|
|
|
{
|
|
|
|
mp2 tmp;
|
|
|
|
mpn_mul_n (tmp, x, get_log2 (), SZ);
|
|
|
|
assert(tmp[SZ * 2 - 1] == 0);
|
|
|
|
exp_mpn (ex, tmp + FRAC / mpbpl);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
mpn_bitsize(const mp_limb_t *SRC_PTR, mp_size_t SIZE)
|
|
|
|
{
|
|
|
|
int i, j;
|
|
|
|
for (i = SIZE - 1; i > 0; --i)
|
|
|
|
if (SRC_PTR[i] != 0)
|
|
|
|
break;
|
|
|
|
for (j = mpbpl - 1; j > 0; --j)
|
|
|
|
if ((SRC_PTR[i] & 1 << j) != 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
return i * 32 + j;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
main (void)
|
|
|
|
{
|
|
|
|
mp1 ex, x, xt, e2, e3;
|
|
|
|
int i;
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int errors = 0;
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int failures = 0;
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mp1 maxerror;
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int maxerror_s = 0;
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const double sf = pow (2, mpbpl);
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/* assert(mpbpl == mp_bits_per_limb); */
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assert(FRAC / mpbpl * mpbpl == FRAC);
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memset (maxerror, 0, sizeof (mp1));
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memset (xt, 0, sizeof (mp1));
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xt[(FRAC - N2) / mpbpl] = 1 << (FRAC - N2) % mpbpl;
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for (i = 0; i < (1 << N2); ++i)
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{
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int e2s, e3s, j;
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double de2;
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mpn_mul_1 (x, xt, SZ, i);
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exp2_mpn (ex, x);
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de2 = exp2 (i / (double) (1 << N2));
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for (j = SZ - 1; j >= 0; --j)
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{
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e2[j] = (mp_limb_t) de2;
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de2 = (de2 - e2[j]) * sf;
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}
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if (mpn_cmp (ex, e2, SZ) >= 0)
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mpn_sub_n (e3, ex, e2, SZ);
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else
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mpn_sub_n (e3, e2, ex, SZ);
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e2s = mpn_bitsize (e2, SZ);
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e3s = mpn_bitsize (e3, SZ);
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if (e3s > 1 && e2s - e3s < 54)
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{
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#if PRINT_ERRORS
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printf ("%06x ", i * (0x100000 / (1 << N2)));
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print_mpn_fp (ex, (FRAC / 4) + 1, 16);
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putchar ('\n');
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fputs (" ",stdout);
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print_mpn_fp (e2, (FRAC / 4) + 1, 16);
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putchar ('\n');
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printf (" %c ",
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e2s - e3s < 54 ? e2s - e3s == 53 ? 'e' : 'F' : 'P');
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print_mpn_fp (e3, (FRAC / 4) + 1, 16);
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putchar ('\n');
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#endif
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errors += (e2s - e3s == 53);
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failures += (e2s - e3s < 53);
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}
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if (e3s >= maxerror_s
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&& mpn_cmp (e3, maxerror, SZ) > 0)
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{
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memcpy (maxerror, e3, sizeof (mp1));
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maxerror_s = e3s;
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}
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}
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/* Check exp_mpn against precomputed value of exp(1). */
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memset (x, 0, sizeof (mp1));
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x[FRAC / mpbpl] = 1 << FRAC % mpbpl;
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exp_mpn (ex, x);
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read_mpn_hex (e2, exp1);
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if (mpn_cmp (ex, e2, SZ) >= 0)
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mpn_sub_n (e3, ex, e2, SZ);
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else
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mpn_sub_n (e3, e2, ex, SZ);
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printf ("%d failures; %d errors; error rate %0.2f%%\n", failures, errors,
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errors * 100.0 / (double) (1 << N2));
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fputs ("maximum error: ", stdout);
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print_mpn_fp (maxerror, (FRAC / 4) + 1, 16);
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putchar ('\n');
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fputs ("error in exp(1): ", stdout);
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print_mpn_fp (e3, (FRAC / 4) + 1, 16);
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putchar ('\n');
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return failures == 0 ? 0 : 1;
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}
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