diff options
Diffstat (limited to 'math/e_scalb.c')
| -rw-r--r-- | math/e_scalb.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/math/e_scalb.c b/math/e_scalb.c deleted file mode 100644 index 606af53..0000000 --- a/math/e_scalb.c +++ /dev/null @@ -1,71 +0,0 @@ -/* @(#)e_scalb.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. - * ==================================================== - */ - -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: e_scalb.c,v 1.6 1995/05/10 20:46:09 jtc Exp $"; -#endif - -/* - * __ieee754_scalb(x, fn) is provide for - * passing various standard test suite. One - * should use scalbn() instead. - */ - -#include <fenv.h> -#include <math.h> -#include "math_private.h" - -#ifdef _SCALB_INT -#ifdef __STDC__ - double __ieee754_scalb(double x, int fn) -#else - double __ieee754_scalb(x,fn) - double x; int fn; -#endif -#else -#ifdef __STDC__ - double __ieee754_scalb(double x, double fn) -#else - double __ieee754_scalb(x,fn) - double x, fn; -#endif -#endif -{ -#ifdef _SCALB_INT - return __scalbn(x,fn); -#else - if (__isnan(x)||__isnan(fn)) return x*fn; - if (!__finite(fn)) { - if(fn>0.0) return x*fn; - else if (x == 0) - return x; - else if (!__finite (x)) - { -# ifdef FE_INVALID - feraiseexcept (FE_INVALID); -# endif - return __nan (""); - } - else return x/(-fn); - } - if (__rint(fn)!=fn) - { -# ifdef FE_INVALID - feraiseexcept (FE_INVALID); -# endif - return __nan (""); - } - if ( fn > 65000.0) return __scalbn(x, 65000); - if (-fn > 65000.0) return __scalbn(x,-65000); - return __scalbn(x,(int)fn); -#endif -} |