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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.
author Bruno Haible <bruno@clisp.org>
date Fri, 08 Mar 2019 19:17:37 +0100
parents 1f14c6dd175d
children
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Description:
logb() function: get exponent.

Files:
lib/logb.c
m4/logb.m4
m4/mathfunc.m4

Depends-on:
math
extensions
isfinite        [test $HAVE_LOGB = 0 || test $REPLACE_LOGB = 1]
frexp           [test $HAVE_LOGB = 0 || test $REPLACE_LOGB = 1]
isnand          [test $HAVE_LOGB = 0 || test $REPLACE_LOGB = 1]

configure.ac:
gl_FUNC_LOGB
if test $HAVE_LOGB = 0 || test $REPLACE_LOGB = 1; then
  AC_LIBOBJ([logb])
fi
gl_MATH_MODULE_INDICATOR([logb])

Makefile.am:

Include:
<math.h>

Link:
$(LOGB_LIBM)

License:
LGPL

Maintainer:
all