1*10519Sdlw /* 2*10519Sdlw * "@(#)r_acos.c 1.1" 3*10519Sdlw */ 4*10519Sdlw 5*10519Sdlw double r_acos(x) 6*10519Sdlw float *x; 7*10519Sdlw { 8*10519Sdlw double acos(); 9*10519Sdlw return( acos(*x) ); 10*10519Sdlw } 11