about summary refs log tree commit diff
path: root/sysdeps/ieee754/ldbl-128ibm/s_floorl.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_floorl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_floorl.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_floorl.c b/sysdeps/ieee754/ldbl-128ibm/s_floorl.c
deleted file mode 100644
index 4c4ae9b035..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_floorl.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* Round to int long double floating-point values.
-   IBM extended format long double version.
-   Copyright (C) 2006 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <math.h>
-#include <fenv_libc.h>
-#include <math_ldbl_opt.h>
-#include <float.h>
-#include <ieee754.h>
-
-
-#ifdef __STDC__
-long double
-__floorl (long double x)
-#else
-long double
-__floorl (x)
-     long double x;
-#endif
-{
-  double xh, xl, hi, lo;
-
-  ldbl_unpack (x, &xh, &xl);
-
-  /* Return Inf, Nan, +/-0 unchanged.  */
-  if (__builtin_expect (xh != 0.0
-			&& __builtin_isless (__builtin_fabs (xh),
-					     __builtin_inf ()), 1))
-    {
-      int save_round = fegetround ();
-
-      /* Long double arithmetic, including the canonicalisation below,
-	 only works in round-to-nearest mode.  */
-      fesetround (FE_TONEAREST);
-
-      /* Convert the high double to integer.  */
-      hi = ldbl_nearbyint (xh);
-
-      /* Subtract integral high part from the value.  */
-      xh -= hi;
-      ldbl_canonicalize (&xh, &xl);
-
-      /* Now convert the low double, adjusted for any remainder from the
-         high double.  */
-      lo = ldbl_nearbyint (xh);
-
-      /* Adjust the result when the remainder is non-zero.  nearbyint
-         rounds values to the nearest integer, and values halfway
-         between integers to the nearest even integer.  floorl must
-         round towards -Inf.  */
-      xh -= lo;
-      ldbl_canonicalize (&xh, &xl);
-
-      if (xh < 0.0 || (xh == 0.0 && xl < 0.0))
-	lo += -1.0;
-
-      /* Ensure the final value is canonical.  In certain cases,
-         rounding causes hi,lo calculated so far to be non-canonical.  */
-      xh = hi;
-      xl = lo;
-      ldbl_canonicalize (&xh, &xl);
-
-      fesetround (save_round);
-    }
-
-  return ldbl_pack (xh, xl);
-}
-
-long_double_symbol (libm, __floorl, floorl);