about summary refs log tree commit diff
path: root/sysdeps/libm-ieee754/s_roundf.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/libm-ieee754/s_roundf.c')
-rw-r--r--sysdeps/libm-ieee754/s_roundf.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/sysdeps/libm-ieee754/s_roundf.c b/sysdeps/libm-ieee754/s_roundf.c
deleted file mode 100644
index 5dc0e368ff..0000000000
--- a/sysdeps/libm-ieee754/s_roundf.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* Round float to integer away from zero.
-   Copyright (C) 1997 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <math.h>
-
-#include "math_private.h"
-
-
-static const float huge = 1.0e30;
-
-
-float
-__roundf (float x)
-{
-  int32_t i0, j0;
-
-  GET_FLOAT_WORD (i0, x);
-  j0 = ((i0 >> 23) & 0xff) - 0x7f;
-  if (j0 < 23)
-    {
-      if (j0 < 0)
-	{
-	  if (huge + x > 0.0F)
-	    {
-	      i0 &= 0x80000000;
-	      if (j0 == -1)
-		i0 |= 0x3f800000;
-	    }
-	}
-      else
-	{
-	  u_int32_t i = 0x007fffff >> j0;
-	  if ((i0 & i) == 0)
-	    /* X is integral.  */
-	    return x;
-	  if (huge + x > 0.0F)
-	    {
-	      /* Raise inexact if x != 0.  */
-	      i0 += 0x00400000 >> j0;
-	      i0 &= ~i;
-	    }
-	}
-    }
-  else
-    {
-      if (j0 == 0x80)
-	/* Inf or NaN.  */
-	return x + x;
-      else
-	return x;
-    }
-
-  SET_FLOAT_WORD (x, i0);
-  return x;
-}
-weak_alias (__roundf, roundf)