long-options: add parse_gnu_standard_options_only Discussed in https://bugs.gnu.org/33468 . * lib/long-options.c (parse_long_options): Use EXIT_SUCCESS instead of 0. (parse_gnu_standard_options_only): Add function to process the GNU default options --help and --version and fail for any other unknown long or short option. See https://gnu.org/prep/standards/html_node/Command_002dLine-Interfaces.html . * lib/long-options.h (parse_gnu_standard_options_only): Declare it. * modules/long-options (depends-on): Add stdbool, exitfail. * top/maint.mk (sc_prohibit_long_options_without_use): Update syntax-check rule, add new function name.

Description:
round() function: round toward nearest, breaking ties away from zero.

Files:
lib/round.c
m4/check-math-lib.m4
m4/round.m4
m4/floor.m4
m4/ceil.m4

Depends-on:
math
extensions
float           [test $HAVE_ROUND = 0 || test $REPLACE_ROUND = 1]
floor           [test $HAVE_ROUND = 0 || test $REPLACE_ROUND = 1]

configure.ac:
gl_FUNC_ROUND
if test $HAVE_ROUND = 0 || test $REPLACE_ROUND = 1; then
  AC_LIBOBJ([round])
fi
gl_MATH_MODULE_INDICATOR([round])

Makefile.am:

Include:
<math.h>

Link:
$(ROUND_LIBM)

License:
LGPL

Maintainer:
Ben Pfaff