Bruno Haible [Sun, 11 Mar 2012 13:42:17 +0000 (14:42 +0100)]
New module 'log2'.
* lib/math.in.h (log2): New declaration.
* lib/log2.c: New file.
* m4/log2.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether log2 is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_LOG2, HAVE_DECL_LOG2,
REPLACE_LOG2.
* modules/math (Makefile.am): Substitute GNULIB_LOG2, HAVE_DECL_LOG2,
REPLACE_LOG2.
* modules/log2: New file.
* tests/test-math-c++.cc: Check the declaration of log2.
* doc/posix-functions/log2.texi: Mention the new module and the IRIX
and OSF/1 and Cygwin problems.
Bruno Haible [Sun, 11 Mar 2012 14:45:46 +0000 (15:45 +0100)]
exp2* tests: More tests.
* tests/test-exp2.h (test_function): Test all integral arguments that
don't need to overflow or denormalized numbers.
* tests/test-exp2.c (MAX_EXP, MIN_EXP): New macros.
* tests/test-exp2f.c (MAX_EXP, MIN_EXP): Likewise.
* tests/test-exp2l.c (MAX_EXP, MIN_EXP): Likewise.
Bruno Haible [Sun, 11 Mar 2012 01:36:40 +0000 (02:36 +0100)]
log1pl-ieee: Work around test failure on IRIX 6.5.
* m4/log1pl-ieee.m4: New file.
* m4/log1pl.m4 (gl_FUNC_LOG1PL): If gl_FUNC_LOG1PL_IEEE is present,
test whether log1pl works with a minus zero argument. Replace it if
not.
* lib/math.in.h (log1pl): Override if REPLACE_LOG1PL is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_LOG1PL.
* modules/math (Makefile.am): Substitute REPLACE_LOG1PL.
* modules/log1pl (configure.ac): Consider REPLACE_LOG1PL.
(Depends-on): Update conditions.
* modules/log1pl-ieee (Files): Add m4/log1p-ieee.m4, m4/minus-zero.m4,
m4/signbit.m4.
(configure.ac): Invoke gl_FUNC_LOG1PL_IEEE.
* doc/posix-functions/log1pl.texi: Mention the log1pl-ieee module.
Bruno Haible [Sun, 11 Mar 2012 01:06:49 +0000 (02:06 +0100)]
log1pf-ieee: Work around test failure on OpenBSD 4.9 and AIX 7.1.
* m4/log1pf-ieee.m4: New file.
* m4/log1pf.m4 (gl_FUNC_LOG1PF): If gl_FUNC_LOG1PF_IEEE is present,
test whether log1pf works with a minus zero argument. Replace it if
not.
* modules/log1pf-ieee (Files): Add m4/log1pf-ieee.m4, m4/minus-zero.m4,
m4/signbit.m4.
(configure.ac): Invoke gl_FUNC_LOG1PF_IEEE.
* doc/posix-functions/log1pf.texi: Mention the log1pf-ieee module.
Bruno Haible [Sun, 11 Mar 2012 00:27:59 +0000 (01:27 +0100)]
log1p-ieee: Work around test failure on AIX 7.1 and HP-UX 11.
* m4/log1p-ieee.m4: New file.
* m4/log1p.m4 (gl_FUNC_LOG1P): If gl_FUNC_LOG1P_IEEE is present, test
whether log1p works with a minus zero argument. Replace it if not.
* lib/math.in.h (log1p): Override if REPLACE_LOG1P is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_LOG1P.
* modules/math (Makefile.am): Substitute REPLACE_LOG1P.
* modules/log1p (configure.ac): Consider REPLACE_LOG1P.
(Depends-on): Update conditions.
* modules/log1p-ieee (Files): Add m4/log1p-ieee.m4, m4/minus-zero.m4,
m4/signbit.m4.
(configure.ac): Invoke gl_FUNC_LOG1P_IEEE.
* doc/posix-functions/log1p.texi: Mention the log1p-ieee module.
Bruno Haible [Sat, 10 Mar 2012 23:48:36 +0000 (00:48 +0100)]
New module 'log1pl'.
* lib/math.in.h (log1pl): New declaration.
* lib/log1pl.c: New file.
* m4/log1pl.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether log1pl is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_LOG1PL, HAVE_LOG1PL.
* modules/math (Makefile.am): Substitute GNULIB_LOG1PL, HAVE_LOG1PL.
* modules/log1pl: New file.
* tests/test-math-c++.cc: Check the declaration of log1pl.
* doc/posix-functions/log1pl.texi: Mention the new module.
Bruno Haible [Sat, 10 Mar 2012 21:28:49 +0000 (22:28 +0100)]
New module 'log1pf'.
* lib/math.in.h (log1pf): New declaration.
* lib/log1pf.c: New file.
* m4/log1pf.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether log1pf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_LOG1PF, HAVE_LOG1PF,
REPLACE_LOG1PF.
* modules/math (Makefile.am): Substitute GNULIB_LOG1PF, HAVE_LOG1PF,
REPLACE_LOG1PF.
* modules/log1pf: New file.
* tests/test-math-c++.cc: Check the declaration of log1pf.
* doc/posix-functions/log1pf.texi: Mention the new module.
Bruno Haible [Sat, 10 Mar 2012 23:38:11 +0000 (00:38 +0100)]
math tests: Small simplification.
* tests/test-exp.h (test_function): Use the same err_bound for
'double' on platforms with sizeof (long double) == sizeof (double)
than on platforms with sizeof (long double) > sizeof (double).
* tests/test-exp2.h (test_function): Likewise.
* tests/test-expm1.h (test_function): Likewise.
* tests/test-log.h (test_function): Likewise.
Paul Eggert [Sat, 10 Mar 2012 20:15:44 +0000 (12:15 -0800)]
regex: allow inclusion of <regex.h> before <limits.h>
Without this patch, portable programs had to include <limits.h> before
<regex.h> if they wanted a consistent value for RE_DUP_MAX.
I ran into this problem with a test version of GNU grep on Solaris 8.
* lib/regex.h: Include <limits.h> if _REGEX_INCLUDE_LIMITS_H.
This is done conditionally so that this change can be merged
back to glibc.
* m4/regex.m4 (gl_REGEX): Define _REGEX_INCLUDE_LIMITS_H if
using the included regex.
Paul Eggert [Sat, 10 Mar 2012 20:10:17 +0000 (12:10 -0800)]
fts: depend on fdopendir
* modules/fts (Depends-on): Depend on fdopendir. This is needed
on Solaris 8, at least, since it lacks fdopendir. Evidently the
problem was introduced when fdopendir was split out.
Bruno Haible [Sat, 10 Mar 2012 15:05:56 +0000 (16:05 +0100)]
logf-ieee: Work around test failure on NetBSD 5.1.
* m4/logf-ieee.m4: New file.
* m4/logf.m4 (gl_FUNC_LOGF): If gl_FUNC_LOGF_IEEE is present, test
whether logf works with a negative argument. Replace it if not.
* lib/logf.c (logf): For negative arguments, return NaN.
* modules/logf-ieee (Files): Add m4/logf-ieee.m4.
(configure.ac): Invoke gl_FUNC_LOGF_IEEE.
* doc/posix-functions/logf.texi: Mention the logf-ieee module.
Bruno Haible [Sat, 10 Mar 2012 11:26:57 +0000 (12:26 +0100)]
log-ieee: Work around test failure on NetBSD 5.1 and Solaris 11.
* m4/log-ieee.m4: New file.
* m4/log.m4 (gl_FUNC_LOG): If gl_FUNC_LOG_IEEE is present, test whether
log works with a negative argument. Replace it if not.
* lib/log.c (log): For negative arguments, return NaN.
* modules/log-ieee (Files): Add m4/log-ieee.m4.
(configure.ac): Invoke gl_FUNC_LOG_IEEE.
* doc/posix-functions/log.texi: Mention the log-ieee module.
Pádraig Brady [Tue, 6 Mar 2012 15:02:40 +0000 (15:02 +0000)]
timer-time: link explicitly with pthreads on glibc
To support static linking we need to explicitly
specify the pthreads library which is referenced
(but not used on modern Linux kernels at least).
* m4/timer_time.m4 (LIB_TIMER_TIME): Add -lpthread
when newer GLIBC is detected as that contains
the pthread emulation.
* modules/timer-time: Depend on threadlib to
pull in the appropriate library to link
Bruno Haible [Sat, 10 Mar 2012 01:48:48 +0000 (02:48 +0100)]
logl: Work around OSF/1 5.1 bug.
* lib/math.in.h (logl): Override if REPLACE_LOGL is 1.
* lib/logl.c (logl): If logf exists, use it and provide just the
workaround.
* m4/logl.m4 (gl_FUNC_LOGL_WORKS): New macro.
(gl_FUNC_LOGL): Invoke it. Set REPLACE_LOGL.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_LOGL.
* modules/math (Makefile.am): Substitute REPLACE_LOGL.
* modules/logl (configure.ac): Consider REPLACE_LOGL.
(Depends-on): Update conditions.
* doc/posix-functions/logl.texi: Mention the OSF/1 5.1 problem.
Bruno Haible [Fri, 9 Mar 2012 23:55:48 +0000 (00:55 +0100)]
logf: Work around OSF/1 5.1 bug.
* lib/math.in.h (logf): Override if REPLACE_LOGF is 1.
* lib/logf.c (logf): If logf exists, use it and provide just the
workaround.
* m4/logf.m4 (gl_FUNC_LOGF_WORKS): New macro.
(gl_FUNC_LOGF): Invoke it. Set REPLACE_LOGF.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_LOGF.
* modules/math (Makefile.am): Substitute REPLACE_LOGF.
* modules/logf (configure.ac): Consider REPLACE_LOGF.
(Depends-on): Update conditions.
* doc/posix-functions/logf.texi: Mention the OSF/1 5.1 problem.
Bruno Haible [Fri, 9 Mar 2012 01:14:26 +0000 (02:14 +0100)]
exp2l-ieee: Work around test failure on OpenBSD 4.9 and IRIX 6.5.
* m4/exp2l-ieee.m4: New file.
* m4/exp2l.m4 (gl_FUNC_EXP2L): If gl_FUNC_EXP2L_IEEE is present,
test whether exp2l works with a NaN argument and with a negative
infinity argument. Replace it if not.
* lib/math.in.h (exp2l): Override if REPLACE_EXP2L is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_EXP2L.
* modules/math (Makefile.am): Substitute REPLACE_EXP2L.
* modules/exp2l (configure.ac): Consider REPLACE_EXP2L.
(Depends-on): Update conditions.
* modules/exp2l-ieee (Files): Add m4/exp2l-ieee.m4.
(configure.ac): Invoke gl_FUNC_EXP2L_IEEE.
* doc/posix-functions/exp2l.texi: Mention the exp2l-ieee module.
Bruno Haible [Fri, 9 Mar 2012 00:13:40 +0000 (01:13 +0100)]
New module 'exp2l'.
* lib/math.in.h (exp2l): New declaration.
* lib/exp2l.c: New file.
* lib/expl-table.c: New file, extracted from lib/expl.c.
* lib/expl.c (gl_expl_table): New declaration.
(expl): Remove expl_table. Update reference.
* m4/exp2l.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether exp2l is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2L, HAVE_DECL_EXP2L.
* modules/math (Makefile.am): Substitute GNULIB_EXP2L, HAVE_DECL_EXP2L.
* modules/exp2l: New file.
* modules/expl (Files): Add lib/expl-table.c.
(configure.ac): Compile also expl-table.c.
* tests/test-math-c++.cc: Check the declaration of exp2l.
* doc/posix-functions/exp2l.texi: Mention the new module and the IRIX
problem.
Bruno Haible [Thu, 8 Mar 2012 19:24:53 +0000 (20:24 +0100)]
New module 'exp2f'.
* lib/math.in.h (exp2f): New declaration.
* lib/exp2f.c: New file.
* m4/exp2f.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether exp2f is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2F, HAVE_DECL_EXP2F.
* modules/math (Makefile.am): Substitute GNULIB_EXP2F, HAVE_DECL_EXP2F.
* modules/exp2f: New file.
* tests/test-math-c++.cc: Check the declaration of exp2f.
* doc/posix-functions/exp2f.texi: Mention the new module and the
IRIX problem.
Bruno Haible [Wed, 7 Mar 2012 02:29:32 +0000 (03:29 +0100)]
New module 'exp2'.
* lib/math.in.h (exp2): New declaration.
* lib/exp2.c: New file.
* m4/exp2.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether exp2 is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2, HAVE_DECL_EXP2,
REPLACE_EXP2.
* modules/math (Makefile.am): Substitute GNULIB_EXP2, HAVE_DECL_EXP2,
REPLACE_EXP2.
* modules/exp2: New file.
* tests/test-math-c++.cc: Check the declaration of exp2.
* doc/posix-functions/exp2.texi: Mention the new module and the IRIX
and OpenBSD problems.
Bruno Haible [Thu, 8 Mar 2012 11:33:36 +0000 (12:33 +0100)]
fma, fmaf, fmal: Override undeclared system functions on IRIX 6.5.
* m4/fma.m4 (gl_FUNC_FMA): If fma() exists but is not declared,
arrange to set REPLACE_FMA=1, not HAVE_FMA=0.
* m4/fmaf.m4 (gl_FUNC_FMAF): If fmaf() exists but is not declared,
arrange to set REPLACE_FMAF=1, not HAVE_FMAF=0.
* m4/fmal.m4 (gl_FUNC_FMAL): If fmal() exists but is not declared,
arrange to set REPLACE_FMAL=1, not HAVE_FMAL=0.
Bruno Haible [Thu, 8 Mar 2012 11:02:35 +0000 (12:02 +0100)]
remainderf: Override buggy system function on IRIX 6.5.
* m4/remainderf.m4 (gl_FUNC_REMAINDERF_WORKS): New macro.
(gl_FUNC_REMAINDERF): Invoke it. Don't assume remainderf() is declared
when it exists.
* doc/posix-functions/remainderf.texi: Mention the IRIX problems.
Bruno Haible [Thu, 8 Mar 2012 03:01:51 +0000 (04:01 +0100)]
expm1l: Don't override undeclared system function on IRIX 6.5.
* lib/math.in.h (expm1l): Test HAVE_DECL_EXPM1L, not HAVE_EXPM1L.
* m4/expm1l.m4 (gl_FUNC_EXPM1L): Don't assume expm1l() is declared when
it exists. Set HAVE_DECL_EXPM1L.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_DECL_EXPM1L, not
HAVE_EXPM1L.
* modules/math (Makefile.am): Substitute HAVE_DECL_EXPM1L, not
HAVE_EXPM1L.
* doc/posix-functions/expm1l.texi: Mention missing declaration problem.
Bruno Haible [Thu, 8 Mar 2012 02:21:38 +0000 (03:21 +0100)]
remainderl: Don't override undeclared system function on IRIX 6.5.
* lib/math.in.h (remainderl): Test HAVE_DECL_REMAINDERL, not
HAVE_REMAINDERL.
* m4/remainderl.m4 (gl_FUNC_REMAINDERL): Don't assume remainderl() is
declared when it exists. Set HAVE_DECL_REMAINDERL.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_DECL_REMAINDERL,
not HAVE_REMAINDERL.
* modules/math (Makefile.am): Substitute HAVE_DECL_REMAINDERL, not
HAVE_REMAINDERL.
* doc/posix-functions/remainderl.texi: Mention missing declaration
problem.
Bruno Haible [Thu, 8 Mar 2012 01:27:05 +0000 (02:27 +0100)]
rintf: Don't override undeclared system function on IRIX 6.5.
* lib/math.in.h (rintf): Test HAVE_DECL_RINTF, not HAVE_RINTF.
* m4/rintf.m4 (gl_FUNC_RINTF): Don't assume rintf() is declared when it
exists. Set HAVE_DECL_RINTF.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_DECL_RINTF, not
HAVE_RINTF.
* modules/math (Makefile.am): Substitute HAVE_DECL_RINTF, not
HAVE_RINTF.
* doc/posix-functions/rintf.texi: Mention missing declaration problem.
Bruno Haible [Thu, 8 Mar 2012 01:06:10 +0000 (02:06 +0100)]
roundl: Don't override undeclared system function on IRIX 6.5.
* m4/roundl.m4 (gl_FUNC_ROUNDL): Search for roundl() in the libraries
also when it is not declared. Set HAVE_ROUNDL. For replacement code,
test HAVE_ROUNDL, not HAVE_DECL_ROUNDL.
* modules/roundl (configure.ac): For replacement code, test
HAVE_ROUNDL, not HAVE_DECL_ROUNDL.
(Depends-on): Update conditions.
* doc/posix-functions/roundl.texi: Mention the IRIX problem.
Bruno Haible [Thu, 8 Mar 2012 00:55:40 +0000 (01:55 +0100)]
roundf: Don't override undeclared system function on IRIX 6.5.
* m4/roundf.m4 (gl_FUNC_ROUNDF): Search for roundf() in the libraries
also when it is not declared. Set HAVE_ROUNDF. For replacement code,
test HAVE_ROUNDF, not HAVE_DECL_ROUNDF.
* modules/roundf (configure.ac): For replacement code, test
HAVE_ROUNDF, not HAVE_DECL_ROUNDF.
(Depends-on): Update conditions.
* modules/roundf-ieee (Depends-on): Update conditions.
* doc/posix-functions/roundf.texi: Mention the IRIX problem.
Bruno Haible [Thu, 8 Mar 2012 00:26:03 +0000 (01:26 +0100)]
round: Don't override undeclared system function on IRIX 6.5.
* m4/check-math-lib.m4 (gl_CHECK_MATH_LIB): Accept an optional third
argument.
* m4/round.m4 (gl_FUNC_ROUND): Search for round() in the libraries
also when it is not declared. Set HAVE_ROUND. For replacement code,
test HAVE_ROUND, not HAVE_DECL_ROUND.
* modules/round (configure.ac): For replacement code, test HAVE_ROUND,
not HAVE_DECL_ROUND.
(Depends-on): Update conditions.
* modules/round-ieee (Depends-on): Update conditions.
* doc/posix-functions/round.texi: Mention the IRIX problem.
Bruno Haible [Wed, 7 Mar 2012 23:42:49 +0000 (00:42 +0100)]
copysignf: Don't override undeclared system function on IRIX 6.5.
* lib/math.in.h (copysignf): Test HAVE_DECL_COPYSIGNF, not
HAVE_COPYSIGNF.
* m4/copysignf.m4 (gl_FUNC_COPYSIGNF): Don't assume copysignf() is
declared when it exists. Set HAVE_DECL_COPYSIGNF.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_DECL_COPYSIGNF,
not HAVE_COPYSIGNF.
* modules/math (Makefile.am): Substitute HAVE_DECL_COPYSIGNF, not
HAVE_COPYSIGNF.
* doc/posix-functions/copysignf.texi: Mention missing declaration
problem.
Paul Eggert [Tue, 6 Mar 2012 23:19:24 +0000 (15:19 -0800)]
readtokens: avoid core dumps with unusual calling patterns
Reported by Xu Zhongxing in <http://debbugs.gnu.org/10953>.
* lib/readtokens.c: Include limits.h.
(word, bits_per_word, get_nth_bit, set_nth_bit): New.
(readtoken): Don't cache the delimiters; the cache code was buggy
if !delim && saved_delim, or if the new n_delim differs from the old.
Also, it wasn't thread-safe.
Akim Demaille [Wed, 7 Mar 2012 07:35:28 +0000 (23:35 -0800)]
quote: fuse into quotearg
This patch is made for the benefit of Bison.
quote does not leave the choice of the quoting style to the user.
quoting_style provides poor customizability, yet quoting_options,
which is very rich, is hidden inside quotearg.c. So in order to
allow quote customization, move its implementation to quotearg.c.
* lib/quote.c: Remove.
* modules/quote: Adjust.
* lib/quotearg.c (quoting_options_from_style): Fix a compiler
warning: provide all the members of literal structs.
(quote_quoting_options): New.
(quote, quote_n): Import implementation from quote.c.
* lib/quote.h: Import the comments from quote.c.
(quote_quoting_options): New.
Bruno Haible [Tue, 6 Mar 2012 23:38:50 +0000 (00:38 +0100)]
New module 'expm1-ieee'.
* modules/expm1-ieee: New file.
* m4/expm1-ieee.m4: New file.
* m4/expm1.m4 (gl_FUNC_EXPM1): If gl_FUNC_EXPM1_IEEE is present, test
whether expm1 works with a minus zero argument. Replace it if not.
* lib/math.in.h (expm1): Override if REPLACE_EXPM1 is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_EXPM1.
* modules/math (Makefile.am): Substitute REPLACE_EXPM1.
* modules/expm1 (configure.ac): Consider REPLACE_EXPM1.
(Depends-on): Update conditions.
* doc/posix-functions/expm1.texi: Mention the expm1-ieee module and the
AIX problem.
Bruno Haible [Tue, 6 Mar 2012 22:25:51 +0000 (23:25 +0100)]
Work around expm1f bug on IRIX 6.5.
* lib/math.in.h (expm1f): Override if REPLACE_EXPM1F is 1.
* m4/expm1f.m4 (gl_FUNC_EXPM1F_WORKS): New macro.
(gl_FUNC_EXPM1F): Invoke it. Set REPLACE_EXPM1F to 1 if expm1f() does
not work.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_EXPM1F.
* modules/math (Makefile.am): Substitute REPLACE_EXPM1F.
* modules/expm1f (configure.ac): Consider REPLACE_EXPM1F.
(Depends-on): Update conditions.
* doc/posix-functions/expm1f.texi: Mention the IRIX 6.5 bug.
Bruno Haible [Tue, 6 Mar 2012 20:55:34 +0000 (21:55 +0100)]
New module 'expm1l'.
* lib/math.in.h (expm1l): New declaration.
* lib/expm1l.c: New file.
* m4/expm1l.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether expm1l is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_EXPM1L, HAVE_EXPM1L.
* modules/math (Makefile.am): Substitute GNULIB_EXPM1L, HAVE_EXPM1L.
* modules/expm1l: New file.
* tests/test-math-c++.cc: Check the declaration of expm1l.
* doc/posix-functions/expm1l.texi: Mention the new module.
Bruno Haible [Tue, 6 Mar 2012 20:24:28 +0000 (21:24 +0100)]
New module 'expm1f'.
* lib/math.in.h (expm1f): New declaration.
* lib/expm1f.c: New file.
* m4/expm1f.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether expm1f is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_EXPM1F, HAVE_EXPM1F.
* modules/math (Makefile.am): Substitute GNULIB_EXPM1F, HAVE_EXPM1F.
* modules/expm1f: New file.
* tests/test-math-c++.cc: Check the declaration of expm1f.
* doc/posix-functions/expm1f.texi: Mention the new module.
Bruno Haible [Tue, 6 Mar 2012 16:55:54 +0000 (17:55 +0100)]
New module 'expm1'.
* lib/math.in.h (expm1): New declaration.
* lib/expm1.c: New file.
* m4/expm1.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether expm1 is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_EXPM1, HAVE_EXPM1.
* modules/math (Makefile.am): Substitute GNULIB_EXPM1, HAVE_EXPM1.
* modules/expm1: New file.
* tests/test-math-c++.cc: Check the declaration of expm1.
* doc/posix-functions/expm1.texi: Mention the new module.