1*47940Sbostic /*- 2*47940Sbostic * Copyright (c) 1980 The Regents of the University of California. 3*47940Sbostic * All rights reserved. 422949Skre * 5*47940Sbostic * %sccs.include.proprietary.c% 610521Sdlw */ 710521Sdlw 8*47940Sbostic #ifndef lint 9*47940Sbostic static char sccsid[] = "@(#)r_atan.c 5.3 (Berkeley) 04/12/91"; 10*47940Sbostic #endif /* not lint */ 11*47940Sbostic r_atan(x)1223854Sjerryfloat r_atan(x) 1310521Sdlw float *x; 1410521Sdlw { 1510521Sdlw double atan(); 1610521Sdlw return( atan(*x) ); 1710521Sdlw } 18