// ----------------------------------------------------------------------------
// $Id$
// ----------------------------------------------------------------------------
// Public Domain C Library - http://pdclib.sourceforge.net
// This code is Public Domain. Use, modify, and redistribute at will.
// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------
// C++

float atan( float x ) { /* TODO */ };
long double atan( long double x ) { /* TODO */ };

// ----------------------------------------------------------------------------
// Standard C

double atan( double x ) { /* TODO */ };
float atanf( float x ) { /* TODO */ };
long double atanl( long double x ) { /* TODO */ };