view modules/copysignl @ 40215:88b18d82fa61

crypto/des: Fix undefined behaviour. * lib/des.c (READ_64BIT_DATA): Cast bytes to 'unsigned int', to avoid shift operations on 'int'.
author Bruno Haible <bruno@clisp.org>
date Sat, 09 Mar 2019 22:21:25 +0100
parents 1f14c6dd175d
children
line wrap: on
line source

Description:
copysignl() function: copy sign into another 'long double' number.

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

Depends-on:
math
extensions
copysign        [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
signbit         [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]

configure.ac:
gl_FUNC_COPYSIGNL
if test $HAVE_COPYSIGNL = 0; then
  AC_LIBOBJ([copysignl])
fi
gl_MATH_MODULE_INDICATOR([copysignl])

Makefile.am:

Include:
<math.h>

Link:
$(COPYSIGNL_LIBM)

License:
LGPL

Maintainer:
all