view modules/expm1l @ 40210:44073ad4207f

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 7ca21aacb634
children
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Description:
expm1l() function: exponential function minus one with long double argument.

Files:
lib/expm1l.c
m4/expm1l.m4

Depends-on:
math
extensions
expm1           [{ test $HAVE_EXPM1L = 0 || test $REPLACE_EXPM1L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
float           [{ test $HAVE_EXPM1L = 0 || test $REPLACE_EXPM1L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
isnanl          [{ test $HAVE_EXPM1L = 0 || test $REPLACE_EXPM1L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
expl            [{ test $HAVE_EXPM1L = 0 || test $REPLACE_EXPM1L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
roundl          [{ test $HAVE_EXPM1L = 0 || test $REPLACE_EXPM1L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
ldexpl          [{ test $HAVE_EXPM1L = 0 || test $REPLACE_EXPM1L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]

configure.ac:
gl_FUNC_EXPM1L
if test $HAVE_EXPM1L = 0 || test $REPLACE_EXPM1L = 1; then
  AC_LIBOBJ([expm1l])
fi
gl_MATH_MODULE_INDICATOR([expm1l])

Makefile.am:

Include:
<math.h>

Link:
$(EXPM1L_LIBM)

License:
LGPL

Maintainer:
all