unictype/numeric: Fix undefined behaviour. Reported by Jeffrey Walton <noloader@gmail.com>. * lib/unictype/numeric.c (uc_numeric_value): Avoid undefined behaviour on shift overflow, caught by "gcc -fsanitize=undefined". * lib/unictype/bidi_of.c (uc_bidi_class): Add cast, for clarity. * lib/unictype/categ_of.c (lookup_withtable): Likewise. * lib/unictype/joininggroup_of.c (uc_joining_group): Likewise.

Description:
floor() function: round towards negative infinity.

Files:
lib/floor.c
m4/floor.m4

Depends-on:
math
float           [test $REPLACE_FLOOR = 1]

configure.ac:
AC_REQUIRE([gl_FUNC_FLOOR])
if test $REPLACE_FLOOR = 1; then
  AC_LIBOBJ([floor])
fi
gl_MATH_MODULE_INDICATOR([floor])

Makefile.am:

Include:
<math.h>

Link:
$(FLOOR_LIBM)

License:
LGPL

Maintainer:
all