b62990918e
* sysdeps/powerpc/fpu/s_rint.c: Handle rounding to -0 correctly. * sysdeps/powerpc/fpu/s_rintf.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add getrlimit and setrlimit syscalls for backwards compatibility. 2000-04-11 Geoff Keating <geoffk@cygnus.com> * sysdeps/powerpc/dl-machine.c: Include dl-machine.h after the other header files. Mention about 128-byte cache line sizes. (__elf_machine_fixup_plt): Make types match elf_machine_fixup_plt. * sysdeps/powerpc/dl-machine.h (elf_machine_fixup_plt): Update for current calling sequence. * sysdeps/powerpc/dl-start.S (_dl_start_user): Close comment. * sysdeps/powerpc/fpu/s_rint.c: Handle rounding to -0 correctly. * sysdeps/powerpc/fpu/s_rintf.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add getrlimit and setrlimit syscalls for backwards compatibility.
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/* Round a 64-bit floating point value to the nearest integer.
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Copyright (C) 1997, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "math.h"
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double
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__rint (double x)
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{
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static const float TWO52 = 4503599627370496.0;
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if (fabs (x) < TWO52)
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{
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if (x > 0.0)
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{
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x += TWO52;
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x -= TWO52;
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}
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else if (x < 0.0)
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{
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x = TWO52 - x;
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x = -(x - TWO52);
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}
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}
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return x;
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}
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weak_alias (__rint, rint)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__rint, __rintl)
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weak_alias (__rint, rintl)
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#endif
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