diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/s_rint.c')
| -rw-r--r-- | sysdeps/powerpc/fpu/s_rint.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/s_rint.c b/sysdeps/powerpc/fpu/s_rint.c new file mode 100644 index 0000000000..a475875a97 --- /dev/null +++ b/sysdeps/powerpc/fpu/s_rint.c @@ -0,0 +1,47 @@ +/* Round a 64-bit floating point value to the nearest integer. + Copyright (C) 1997 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 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" + +double +__rint (double x) +{ + static const float TWO52 = 4503599627370496.0; + + if (fabs (x) < TWO52) + { + if (x > 0.0) + { + x += TWO52; + x -= TWO52; + } + else if (x < 0.0) + { + x -= TWO52; + x += TWO52; + } + } + + return x; +} +weak_alias (__rint, rint) +#ifdef NO_LONG_DOUBLE +strong_alias (__rint, __rintl) +weak_alias (__rint, rintl) +#endif |