view modules/ldexpl @ 40212:8da9577294da

unistr/*, uniconv/*: Fix undefined behaviour. Reported by Jeffrey Walton <noloader@gmail.com>. * lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size. * lib/unistr/u-cpy-alloc.h (FUNC): Likewise. * lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise. * lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author Bruno Haible <bruno@clisp.org>
date Sat, 09 Mar 2019 00:01:47 +0100
parents 1f14c6dd175d
children
line wrap: on
line source

Description:
ldexpl() function: multiply a 'long double' by a power of 2.

Files:
lib/ldexpl.c
m4/ldexpl.m4

Depends-on:
math
extensions
ldexp           [{ test $HAVE_DECL_LDEXPL = 0 || test $gl_func_ldexpl = no; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
isnanl          [{ test $HAVE_DECL_LDEXPL = 0 || test $gl_func_ldexpl = no; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
fpucw           [{ test $HAVE_DECL_LDEXPL = 0 || test $gl_func_ldexpl = no; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]

configure.ac:
gl_FUNC_LDEXPL
if test $HAVE_DECL_LDEXPL = 0 || test $gl_func_ldexpl = no; then
  AC_LIBOBJ([ldexpl])
fi
gl_MATH_MODULE_INDICATOR([ldexpl])

Makefile.am:

Include:
<math.h>

Link:
$(LDEXPL_LIBM)

License:
LGPL

Maintainer:
Paolo Bonzini