@node atan2f @section @code{atan2f} @findex atan2f POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/atan2f.html} Gnulib module: --- Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is missing on some platforms: AIX 5.1, Solaris 9. @end itemize