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:
Convert string to 'long double', with error checking.

Files:
lib/xstrtod.h
lib/xstrtod.c
lib/xstrtold.c
m4/xstrtod.m4

Depends-on:
stdbool

configure.ac:
gl_XSTRTOLD

Makefile.am:
lib_SOURCES += xstrtold.c

Include:
"xstrtod.h"

License:
GPL

Maintainer:
Jim Meyering