view modules/exp2l @ 40211:5f58d2ac35ea

unistr/u8-cmp: Fix undefined behaviour. Reported by Jeffrey Walton <noloader@gmail.com>. * lib/unistr/u8-cmp.c (u8_cmp): Don't invoke memcmp if n is zero.
author Bruno Haible <bruno@clisp.org>
date Fri, 08 Mar 2019 20:38:22 +0100
parents 1f14c6dd175d
children
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Description:
exp2l() function: exponential base 2 function with long double argument.

Files:
lib/exp2l.c
lib/expl-table.c
m4/exp2l.m4

Depends-on:
math
extensions
exp2            [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
float           [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
isnanl          [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
roundl          [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
ldexpl          [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]

configure.ac:
gl_FUNC_EXP2L
if test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; then
  AC_LIBOBJ([exp2l])
  AC_LIBOBJ([expl-table])
fi
gl_MATH_MODULE_INDICATOR([exp2l])

Makefile.am:

Include:
<math.h>

Link:
$(EXP2L_LIBM)

License:
LGPL

Maintainer:
all