1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/alpha/fpu/s_nearbyint.c b/sysdeps/alpha/fpu/s_nearbyint.c
new file mode 100644
index 0000000000..7a91bd115b
--- /dev/null
+++ b/sysdeps/alpha/fpu/s_nearbyint.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson.
+
+   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>
+#include <math_ldbl_opt.h>
+
+#ifdef _IEEE_FP_INEXACT
+#error "Don't compile with -mieee-with-inexact"
+#endif
+
+double
+__nearbyint (double x)
+{
+  double two52 = copysign (0x1.0p52, x);
+  double r;
+  
+  r = x + two52;
+  r = r - two52;
+
+  /* nearbyint(-0.1) == -0, and in general we'll always have the same sign
+     as our input.  */
+  return copysign (r, x);
+}
+
+weak_alias (__nearbyint, nearbyint)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__nearbyint, __nearbyintl)
+weak_alias (__nearbyint, nearbyintl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __nearbyint, nearbyintl, GLIBC_2_0);
+#endif