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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_frexpl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_frexpl.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c b/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
deleted file mode 100644
index fab566da3b..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* s_frexpl.c -- long double version of s_frexp.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
- */
-
-/*
- * ====================================================
- * 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 "math.h"
-#include "math_private.h"
-#include <math_ldbl_opt.h>
-
-#ifdef __STDC__
-static const long double
-#else
-static long double
-#endif
-two107 = 162259276829213363391578010288128.0; /* 0x4670000000000000, 0 */
-
-#ifdef __STDC__
- long double __frexpl(long double x, int *eptr)
-#else
- long double __frexpl(x, eptr)
- long double x; int *eptr;
-#endif
-{
- u_int64_t hx, lx, ix, ixl;
- int64_t explo;
- GET_LDOUBLE_WORDS64(hx,lx,x);
- ixl = 0x7fffffffffffffffULL&lx;
- ix = 0x7fffffffffffffffULL&hx;
- *eptr = 0;
- if(ix>=0x7ff0000000000000ULL||((ix|ixl)==0)) return x; /* 0,inf,nan */
- if (ix<0x0010000000000000ULL) { /* subnormal */
- x *= two107;
- GET_LDOUBLE_MSW64(hx,x);
- ix = hx&0x7fffffffffffffffULL;
- *eptr = -107;
- }
- *eptr += (ix>>52)-1022;
-
- if (ixl != 0ULL) {
- explo = (ixl>>52) - (ix>>52) + 0x3fe;
- if ((ixl&0x7ff0000000000000ULL) == 0LL) {
- /* the lower double is a denomal so we need to correct its
- mantissa and perhaps its exponent. */
- int cnt;
-
- if (sizeof (ixl) == sizeof (long))
- cnt = __builtin_clzl (ixl);
- else if ((ixl >> 32) != 0)
- cnt = __builtin_clzl ((long) (ixl >> 32));
- else
- cnt = __builtin_clzl ((long) ixl) + 32;
- cnt = cnt - 12;
- lx = (lx&0x8000000000000000ULL) | ((explo-cnt)<<52)
- | ((ixl<<(cnt+1))&0x000fffffffffffffULL);
- } else
- lx = (lx&0x800fffffffffffffULL) | (explo<<52);
- } else
- lx = 0ULL;
-
- hx = (hx&0x800fffffffffffffULL) | 0x3fe0000000000000ULL;
- SET_LDOUBLE_WORDS64(x,hx,lx);
- return x;
-}
-#ifdef IS_IN_libm
-long_double_symbol (libm, __frexpl, frexpl);
-#else
-long_double_symbol (libc, __frexpl, frexpl);
-#endif