syscons util remove use kbdcontrol & vidcontrol instead

[unix-history] / lib / msun / src / w_j1.c

/* @(#)w_j1.c 5.1 93/09/24 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice 
* is preserved.
* ====================================================
*/

#ifndef lint
static char rcsid[] = "$Id: w_j1.c,v 1.3 1994/02/18 02:27:42 jtc Exp $";
#endif

/* 
* wrapper of j1,y1 
*/

#include "math.h"

#ifdef __STDC__
       double j1(double x)             /* wrapper j1 */
#else
       double j1(x)                    /* wrapper j1 */
       double x;
#endif
{
#ifdef _IEEE_LIBM
       return __ieee754_j1(x);
#else
       double z;
       z = __ieee754_j1(x);
       if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;
       if(fabs(x)>X_TLOSS) {
               return __kernel_standard(x,x,36); /* j1(|x|>X_TLOSS) */
       } else
           return z;
#endif
}

#ifdef __STDC__
       double y1(double x)             /* wrapper y1 */
#else
       double y1(x)                    /* wrapper y1 */
       double x;
#endif
{
#ifdef _IEEE_LIBM
       return __ieee754_y1(x);
#else
       double z;
       z = __ieee754_y1(x);
       if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;
       if(x <= 0.0){
               if(x==0.0)
                   /* d= -one/(x-x); */
                   return __kernel_standard(x,x,10);
               else
                   /* d = zero/(x-x); */
                   return __kernel_standard(x,x,11);
       }
       if(x>X_TLOSS) {
               return __kernel_standard(x,x,37); /* y1(x>X_TLOSS) */
       } else
           return z;
#endif
}