summary refs log tree commit diff
path: root/ports/sysdeps/alpha/fpu/s_lround.c
diff options
context:
space:
mode:
authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
commite84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch)
treedff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/alpha/fpu/s_lround.c
parent75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff)
parente64ac02c24b43659048622714afdc92fedf561fa (diff)
downloadglibc-63aa821ec011b9347414f4c0b6a75cce77f87ecf.tar.gz
glibc-63aa821ec011b9347414f4c0b6a75cce77f87ecf.tar.xz
glibc-63aa821ec011b9347414f4c0b6a75cce77f87ecf.zip
Merge glibc-ports into ports/ directory. glibc-2.16.90 glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/alpha/fpu/s_lround.c')
-rw-r--r--ports/sysdeps/alpha/fpu/s_lround.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/fpu/s_lround.c b/ports/sysdeps/alpha/fpu/s_lround.c
new file mode 100644
index 0000000000..b930dcfa3d
--- /dev/null
+++ b/ports/sysdeps/alpha/fpu/s_lround.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 2007 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#define __llround	not___llround
+#define llround		not_llround
+#include <math.h>
+#include <math_ldbl_opt.h>
+#undef __llround
+#undef llround
+
+long int
+__lround (double x)
+{
+  double adj;
+
+  adj = 0x1.fffffffffffffp-2;	/* nextafter (0.5, 0.0) */
+  adj = copysign (adj, x);
+  return x + adj;
+}
+
+strong_alias (__lround, __llround)
+weak_alias (__lround, lround)
+weak_alias (__llround, llround)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__lround, __lroundl)
+strong_alias (__lround, __llroundl)
+weak_alias (__lroundl, lroundl)
+weak_alias (__llroundl, llroundl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __lround, lroundl, GLIBC_2_1);
+compat_symbol (libm, __llround, llroundl, GLIBC_2_1);
+#endif