* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* 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.
* m4/cbrtl-ieee.m4: New file.
* m4/cbrtl.m4 (gl_FUNC_CBRTL): If gl_FUNC_CBRTL_IEEE is present,
test whether cbrtl works with a minus zero argument. Replace it if not.
* lib/math.in.h (cbrtl): Override if REPLACE_CBRTL is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_CBRTL.
* modules/math (Makefile.am): Substitute REPLACE_CBRTL.
* modules/cbrtl (configure.ac): Consider REPLACE_CBRTL.
(Depends-on): Update conditions.
* modules/cbrtl-ieee (Files): Add m4/cbrtl-ieee.m4, m4/minus-zero.m4,
m4/signbit.m4.
(configure.ac): Invoke gl_FUNC_CBRTL_IEEE.
* lib/cbrtl.c (cbrtl) [IRIX]: Avoid an unnecessary addition.
* doc/posix-functions/cbrtl.texi: Mention the cbrtl-ieee module.
* lib/math.in.h (cbrtf): Override if REPLACE_CBRTF is 1.
* m4/cbrtf.m4 (gl_FUNC_CBRTF_WORKS): New macro.
(gl_FUNC_CBRTF): Invoke it. Set REPLACE_CBRTF to 1 if cbrtf() does not
work.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_CBRTF.
* modules/math (Makefile.am): Substitute REPLACE_CBRTF.
* modules/cbrtf (configure.ac): Consider REPLACE_CBRTF.
(Depends-on): Update conditions.
* doc/posix-functions/cbrtf.texi: Mention the IRIX 6.5 problem.
* lib/math.in.h (cbrtl): New declaration.
* lib/cbrtl.c: New file.
* m4/cbrtl.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether cbrtl is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_CBRTL, HAVE_CBRTL,
HAVE_DECL_CBRTL.
* modules/math (Makefile.am): Substitute GNULIB_CBRTL, HAVE_CBRTL,
HAVE_DECL_CBRTL.
* modules/cbrtl: New file.
* tests/test-math-c++.cc: Check the declaration of cbrtl.
* doc/posix-functions/cbrtl.texi: Mention the new module.
* lib/math.in.h (cbrtf): New declaration.
* lib/cbrtf.c: New file.
* m4/cbrtf.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether cbrtf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_CBRTF, HAVE_CBRTF,
HAVE_DECL_CBRTF.
* modules/math (Makefile.am): Substitute GNULIB_CBRTF, HAVE_CBRTF,
HAVE_DECL_CBRTF.
* modules/cbrtf: New file.
* tests/test-math-c++.cc: Check the declaration of cbrtf.
* doc/posix-functions/cbrtf.texi: Mention the new module.
* lib/math.in.h (cbrt): New declaration.
* lib/cbrt.c: New file.
* m4/cbrt.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether cbrt is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_CBRT, HAVE_CBRT.
* modules/math (Makefile.am): Substitute GNULIB_CBRT, HAVE_CBRT.
* modules/cbrt (Files): Add lib/cbrt.c, m4/cbrt.m4.
(Depends-on): Add dependencies.
(configure.ac): Arrange to compile replacement if HAVE_CBRT is 0.
* tests/test-math-c++.cc: Check the declaration of cbrt.
* doc/posix-functions/cbrt.texi: Mention that the module provides a
replacement.
* m4/hypotf-ieee.m4: New file.
* m4/hypotf.m4 (gl_FUNC_HYPOTF): If gl_FUNC_HYPOTF_IEEE is present,
test whether hypotf works with mixed NaN and Infinity arguments.
Replace it if not.
* modules/hypotf-ieee (Files): Add m4/hypotf-ieee.m4.
(Depends-on): Add hypot-ieee.
(configure.ac): Invoke gl_FUNC_HYPOTF_IEEE.
* doc/posix-functions/hypotf.texi: Mention the hypotf-ieee module.
* lib/math.in.h (hypot): New declaration.
* lib/hypot.c: New file.
* m4/hypot-ieee.m4: New file.
* m4/hypot.m4 (gl_FUNC_HYPOT): If gl_FUNC_HYPOT_IEEE is present, test
whether hypot works with mixed NaN and Infinity arguments. Replace it
if not.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize GNULIB_HYPOT,
REPLACE_HYPOT.
* modules/math (Makefile.am): Substitute GNULIB_HYPOT, REPLACE_HYPOT.
* modules/hypot (Files): Add lib/hypot.c.
(Depends-on): Add dependencies.
(configure.ac): Arrange to compile replacement if REPLACE_HYPOT is 1.
* modules/hypot-ieee (Files): Add m4/hypot-ieee.m4.
(configure.ac): Invoke gl_FUNC_HYPOT_IEEE.
* tests/test-math-c++.cc: Check the declaration of hypot.
* doc/posix-functions/hypot.texi: Mention the hypot-ieee module.
* m4/remainderl-ieee.m4: New file.
* m4/remainderl.m4 (gl_FUNC_REMAINDERL): If gl_FUNC_REMAINDERL_IEEE is
present, test whether remainderl works with a zero second argument.
Replace it if not.
* lib/math.in.h (remainderl): Override if REPLACE_REMAINDERL is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_REMAINDERL.
* modules/math (Makefile.am): Substitute REPLACE_REMAINDERL.
* modules/remainderl (configure.ac): Consider REPLACE_REMAINDERL.
(Depends-on): Update conditions.
* modules/remainderl-ieee (Files): Add m4/remainderl-ieee.m4.
(Depends-on): Add remainder-ieee.
(configure.ac): Invoke gl_FUNC_REMAINDERL_IEEE.
* doc/posix-functions/remainderl.texi: Mention the remainderl-ieee
module.
* m4/remainderf-ieee.m4: New file.
* m4/remainderf.m4 (gl_FUNC_REMAINDERF): If gl_FUNC_REMAINDERF_IEEE is
present, test whether remainderf works with a zero second argument.
Replace it if not.
* lib/math.in.h (remainderf): Override if REPLACE_REMAINDERF is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_REMAINDERF.
* modules/math (Makefile.am): Substitute REPLACE_REMAINDERF.
* modules/remainderf (configure.ac): Consider REPLACE_REMAINDERF.
(Depends-on): Update conditions.
* modules/remainderf-ieee (Files): Add m4/remainderf-ieee.m4.
(Depends-on): Add remainder-ieee.
(configure.ac): Invoke gl_FUNC_REMAINDERF_IEEE.
* doc/posix-functions/remainderf.texi: Mention the remainderf-ieee
module.
* m4/remainder-ieee.m4: New file.
* m4/remainder.m4 (gl_FUNC_REMAINDER): If gl_FUNC_REMAINDER_IEEE is
present, test whether remainder works with a zero second argument.
Replace it if not.
* lib/math.in.h (remainder): Override if REPLACE_REMAINDER is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_REMAINDER.
* modules/math (Makefile.am): Substitute REPLACE_REMAINDER.
* modules/remainder (configure.ac): Consider REPLACE_REMAINDER.
(Depends-on): Update dependencies.
* modules/remainder-ieee (Files): Add m4/remainder-ieee.m4.
(configure.ac): Invoke gl_FUNC_REMAINDER_IEEE.
* doc/posix-functions/remainder.texi: Mention the remainder-ieee module.
* m4/fmodl-ieee.m4: New file.
* m4/fmodl.m4 (gl_FUNC_FMODL): If gl_FUNC_FMODL_IEEE is present, test
whether fmodl works with zero arguments. Replace it if not.
* modules/fmodl-ieee (Files): Add m4/fmodl-ieee.m4.
(Depends-on): Add fmod-ieee.
(configure.ac): Invoke gl_FUNC_FMODL_IEEE.
* doc/posix-functions/fmodl.texi: Mention the fmodl-ieee module.
* m4/fmodf-ieee.m4: New file.
* m4/fmodf.m4 (gl_FUNC_FMODF): If gl_FUNC_FMODF_IEEE is present, test
whether fmodf works with zero arguments. Replace it if not.
* lib/math.in.h (fmodf): Override if REPLACE_FMODF is 1.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_FMODF.
* modules/math (Makefile.am): Substitute REPLACE_FMODF.
* modules/fmodf (configure.ac): Consider REPLACE_FMODF.
(Depends-on): Update dependencies.
* modules/fmodf-ieee (Files): Add m4/fmodf-ieee.m4.
(configure.ac): Invoke gl_FUNC_FMODF_IEEE.
* doc/posix-functions/fmodf.texi: Mention the problem on OSF/1.
* m4/fmod-ieee.m4: New file.
* m4/fmod.m4 (gl_FUNC_FMOD): If gl_FUNC_FMOD_IEEE is present, test
whether fmod works with zero arguments. Replace it if not.
* lib/math.in.h (fmod): New declaration.
* lib/fmod.c: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether fmod is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_FMOD, REPLACE_FMOD.
* modules/math (Makefile.am): Substitute GNULIB_FMOD, REPLACE_FMOD.
* modules/fmod (Files): Add lib/fmod.c.
(Depends-on): Add math, isinf, trunc, fma.
(configure.ac): Arrange to compile lib/fmod.c if needed.
* modules/fmod-ieee (Files): Add m4/fmod-ieee.m4, m4/minus-zero.m4,
m4/signbit.m4.
(configure.ac): Invoke gl_FUNC_FMOD_IEEE.
* tests/test-math-c++.cc: Check the declaration of fmod.
* doc/posix-functions/fmod.texi: Mention the fmod-ieee module.
* m4/modf-ieee.m4: New file.
* m4/modf.m4 (gl_FUNC_MODF): If gl_FUNC_MODF_IEEE is present, test
whether modf works with NaN and Inf. Replace it if not.
* lib/math.in.h (modf): New declaration.
* lib/modf.c: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether modf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_MODF, REPLACE_MODF.
* modules/math (Makefile.am): Substitute GNULIB_MODF, REPLACE_MODF.
* modules/modf (Files): Add lib/modf.c.
(Depends-on): Add math, isfinite, trunc, isinf.
(configure.ac): Addrange to compile lib/modf.c if needed.
* modules/modf-ieee (Files): Add m4/modf-ieee.m4, m4/minus-zero.m4,
m4/signbit.m4.
(configure.ac): Invoke gl_FUNC_MODF_IEEE.
* tests/test-math-c++.cc: Check the declaration of modf.
* doc/posix-functions/modf.texi: Mention the modf-ieee module.
* lib/popen.c: On native Windows, use the _popen based code even if
HAVE_POPEN is set.
* doc/posix-functions/popen.texi: Mention necessity of COMSPEC
environment variable on native Windows.
* doc/posix-functions/getlogin_r.texi: List the incompatible
declaration problem under "not fixed by gnulib".
* doc/posix-functions/setstate.texi: Mention incompatible declaration
problem on Solaris 11 and other platforms.
