summaryrefslogtreecommitdiff
path: root/ports/sysdeps/tile/bits/fenv.h
diff options
context:
space:
mode:
Diffstat (limited to 'ports/sysdeps/tile/bits/fenv.h')
-rw-r--r--ports/sysdeps/tile/bits/fenv.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/ports/sysdeps/tile/bits/fenv.h b/ports/sysdeps/tile/bits/fenv.h
new file mode 100644
index 0000000000..7638e8cc50
--- /dev/null
+++ b/ports/sysdeps/tile/bits/fenv.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+ 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/>. */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+/* The TILE-Gx hardware does not provide floating-point exception
+ handling, and TILEPro does not support any floating-point operations. */
+#define FE_ALL_EXCEPT 0
+
+/* TILE-Gx supports only round-to-nearest. The software
+ floating-point support also acts this way. */
+enum
+ {
+ __FE_UNDEFINED = 0,
+
+ FE_TONEAREST = 1,
+#define FE_TONEAREST FE_TONEAREST
+ };
+
+/* Type representing exception flags (if there were any). */
+typedef unsigned int fexcept_t;
+
+/* Type representing floating-point environment. */
+typedef unsigned int fenv_t;
+
+/* If the default argument is used we use this value. */
+#define FE_DFL_ENV ((const fenv_t *) -1l)