New module 'atanf'. * lib/math.in.h (atanf): New declaration. * lib/atanf.c: New file. * m4/atanf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether atanf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_ATANF, HAVE_ATANF. * modules/math (Makefile.am): Substitute GNULIB_ATANF, HAVE_ATANF. * modules/atanf: New file. * tests/test-math-c++.cc: Check the declaration of atanf. * doc/posix-functions/atanf.texi: Mention the new module.

Description:
Finds the index of the least-significant set bit.

Files:
lib/ffsl.h
lib/ffsl.c
m4/ffsl.m4

Depends-on:
extensions
string
ffs             [test $HAVE_FFSL = 0]

configure.ac:
gl_FUNC_FFSL
if test $HAVE_FFSL = 0; then
  AC_LIBOBJ([ffsl])
fi
gl_STRING_MODULE_INDICATOR([ffsl])

Makefile.am:

Include:
<string.h>

License:
LGPLv2+

Maintainer:
Eric Blake