1 /*- 2 * Copyright (c) 1980 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)r_atan.c 5.3 (Berkeley) 04/12/91"; 10 #endif /* not lint */ 11 12 float r_atan(x) 13 float *x; 14 { 15 double atan(); 16 return( atan(*x) ); 17 } 18