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authorJoseph Myers <joseph@codesourcery.com>2013-11-28 20:50:03 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-11-28 20:50:03 +0000
commit8bca7cd830e3563e214a6e3cf93da839f937f1a2 (patch)
treeef3e17f4ddc0921e83336a367d53ce790e328546 /sysdeps/ieee754/ldbl-96/s_logbl.c
parent91a1f3fea0d6c5bc304562c313171d8cf765b910 (diff)
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Remove unused ldbl-96 functions (bug 15004).
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_logbl.c')
-rw-r--r--sysdeps/ieee754/ldbl-96/s_logbl.c51
1 files changed, 0 insertions, 51 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_logbl.c b/sysdeps/ieee754/ldbl-96/s_logbl.c
deleted file mode 100644
index 4289be1933..0000000000
--- a/sysdeps/ieee754/ldbl-96/s_logbl.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* s_logbl.c -- long double version of s_logb.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.
- * ====================================================
- */
-
-/*
- * long double logbl(x)
- * IEEE 754 logb. Included to pass IEEE test suite. Not recommend.
- * Use ilogb instead.
- */
-
-#include <math.h>
-#include <math_private.h>
-
-long double
-__logbl (long double x)
-{
-  int32_t es, lx, ix;
-
-  GET_LDOUBLE_WORDS (es, ix, lx, x);
-  es &= 0x7fff;			/* exponent */
-  if ((es | ix | lx) == 0)
-    return -1.0 / fabs (x);
-  if (es == 0x7fff)
-    return x * x;
-  if (es == 0)			/* IEEE 754 logb */
-    {
-      /* POSIX specifies that denormal number is treated as
-         though it were normalized.  */
-      int ma;
-      if (ix == 0)
-	ma = __builtin_clz (lx) + 32;
-      else
-	ma = __builtin_clz (ix);
-      es -= ma - 1;
-    }
-  return (long double) (es - 16383);
-}
-
-weak_alias (__logbl, logbl)