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author | Ulrich Drepper <drepper@redhat.com> | 2000-12-07 00:33:59 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2000-12-07 00:33:59 +0000 |
commit | e3690263f524e4a8a0178612f12799389469ff8f (patch) | |
tree | 5cd27a7661d563be09a71b34a255c2268e92050f /sysdeps/unix/sysv/aix | |
parent | 9d241e0c1685b2051f3ddcf6c16182c72f66d642 (diff) | |
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Update.
2000-12-06 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/aix/Makefile [$(subdir)==misc]
(sysdep_routines): Add uitrunc.
* sysdeps/unix/sysv/aix/uitrunc.c: New file.
Patches by Michael Keezer <mkeezer@redhat.com>.
Diffstat (limited to 'sysdeps/unix/sysv/aix')
-rw-r--r-- | sysdeps/unix/sysv/aix/Makefile | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/aix/uitrunc.c | 42 |
2 files changed, 43 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/aix/Makefile b/sysdeps/unix/sysv/aix/Makefile index cb8683bee5..6c9ce1113e 100644 --- a/sysdeps/unix/sysv/aix/Makefile +++ b/sysdeps/unix/sysv/aix/Makefile @@ -6,7 +6,7 @@ static-start-installed-name = /usr/lib/crt0.o ifeq ($(subdir),misc) -sysdep_routines += dl-open dl-sym dl-close restf savef +sysdep_routines += dl-open dl-sym dl-close restf savef uitrunc endif ifeq ($(subdir),login) diff --git a/sysdeps/unix/sysv/aix/uitrunc.c b/sysdeps/unix/sysv/aix/uitrunc.c new file mode 100644 index 0000000000..34a109b409 --- /dev/null +++ b/sysdeps/unix/sysv/aix/uitrunc.c @@ -0,0 +1,42 @@ +/* Copyright (C) 2000 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> + +/* The uitrunc function returns the nearest unsigned integer + to the x parameter in the direction of 0. This actions is + equivalent to truncation off the fraction bits of the x + parameter and then converting x to an unsigned integer. */ +unsigned int +__uitrunc (double x) +{ + double xrf; + unsigned int xr; + xr = (unsigned int) x; + xrf = (double) 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; +} |