| /* Round float value to long long int. |
| 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 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> |
| |
| /* I think that what this routine is supposed to do is round a value |
| to the nearest integer, with values exactly on the boundary rounded |
| away from zero. */ |
| /* This routine relies on (long long)x, when x is out of range of a long long, |
| clipping to MAX_LLONG or MIN_LLONG. */ |
| |
| long long int |
| __llroundf (float x) |
| { |
| float xrf; |
| long long int xr; |
| xr = (long long int) x; |
| xrf = (float) xr; |
| if (x >= 0.0) |
| if (x - xrf >= 0.5 && x - xrf < 1.0 && x+1 > 0) |
| return x+1; |
| else |
| return x; |
| else |
| if (xrf - x >= 0.5 && xrf - x < 1.0 && x-1 < 0) |
| return x-1; |
| else |
| return x; |
| } |
| weak_alias (__llroundf, llroundf) |