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>.

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;
+}