05-16-2002
I suggest sticking with RedHat, it has a better user interface, and is much more user friendly. Remeber- Linux is just another flavour of unix (i.e.: OS X, BSD, etc...). The kernel for Linux was just made by Mr. Torvalds, who currently heads the largest Linux core development team, Open Source, of course.
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ATANF(3P) POSIX Programmer's Manual ATANF(3P)
PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond-
ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME
atanf -- arc tangent function
SYNOPSIS
#include <math.h>
float atanf(float x);
DESCRIPTION
Refer to atan().
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan-
dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source
files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE
/The Open Group 2013 ATANF(3P)