diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_frexpl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_frexpl.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_frexpl.c b/sysdeps/ieee754/ldbl-96/s_frexpl.c deleted file mode 100644 index 799880f373..0000000000 --- a/sysdeps/ieee754/ldbl-96/s_frexpl.c +++ /dev/null @@ -1,61 +0,0 @@ -/* s_frexpl.c -- long double version of s_frexp.c. - * Conversion to long double by Ulrich Drepper, - * Cygnus Support, drepper@cygnus.com. - */ - -/* - * ==================================================== - * 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: $"; -#endif - -/* - * for non-zero x - * x = frexpl(arg,&exp); - * return a long double fp quantity x such that 0.5 <= |x| <1.0 - * and the corresponding binary exponent "exp". That is - * arg = x*2^exp. - * If arg is inf, 0.0, or NaN, then frexpl(arg,&exp) returns arg - * with *exp=0. - */ - -#include <float.h> -#include <math.h> -#include <math_private.h> - -static const long double -#if LDBL_MANT_DIG == 64 -two65 = 3.68934881474191032320e+19L; /* 0x4040, 0x80000000, 0x00000000 */ -#else -# error "Cannot handle this MANT_DIG" -#endif - - -long double __frexpl(long double x, int *eptr) -{ - u_int32_t se, hx, ix, lx; - GET_LDOUBLE_WORDS(se,hx,lx,x); - ix = 0x7fff&se; - *eptr = 0; - if(ix==0x7fff||((ix|hx|lx)==0)) return x + x; /* 0,inf,nan */ - if (ix==0x0000) { /* subnormal */ - x *= two65; - GET_LDOUBLE_EXP(se,x); - ix = se&0x7fff; - *eptr = -65; - } - *eptr += ix-16382; - se = (se & 0x8000) | 0x3ffe; - SET_LDOUBLE_EXP(x,se); - return x; -} -weak_alias (__frexpl, frexpl) |