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unistd: port readlink to Mac OS X 10.3.9 * lib/unistd.in.h (_GL_INCLUDING_UNISTD_H): New macro, to work around self-include problem in Mac OS X 10.3.9 when combined with readlink module. Problem reported by Klaus Zietler in <http://bugs.gnu.org/16825>.
author Paul Eggert <eggert@penguin.cs.ucla.edu>
date Tue, 25 Feb 2014 11:16:27 -0800
parents d19d163c1519
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:
Bruno Haible