/* Round float value to 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 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 /* 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 int)x, when x is out of range of a long int, clipping to MAX_LONG or MIN_LONG. */ long int __lroundf (float x) { float xrf; long int xr; xr = (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 (__lroundf, lroundf)