diff options
Diffstat (limited to 'sysdeps/alpha/fpu/s_roundf.c')
| -rw-r--r-- | sysdeps/alpha/fpu/s_roundf.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/sysdeps/alpha/fpu/s_roundf.c b/sysdeps/alpha/fpu/s_roundf.c deleted file mode 100644 index a07ffa3c8d..0000000000 --- a/sysdeps/alpha/fpu/s_roundf.c +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (C) 2007-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <math.h> - - -float -__roundf (float x) -{ - const float almost_half = 0x1.fffffep-2; - const float two23 = 0x1.0p23; - float r, tmp; - - __asm ( -#ifdef _IEEE_FP_INEXACT - "adds/suic %2, %3, %1\n\tsubs/suic %1, %3, %0" -#else - "adds/suc %2, %3, %1\n\tsubs/suc %1, %3, %0" -#endif - : "=&f"(r), "=&f"(tmp) - : "f"(fabsf (x) + almost_half), "f"(two23)); - - /* round(-0) == -0, and in general we'll always have the same - sign as our input. */ - return copysignf (r, x); -} - -weak_alias (__roundf, roundf) |