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Diffstat (limited to 'sysdeps/tile/bits/fenv.h')
| -rw-r--r-- | sysdeps/tile/bits/fenv.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/tile/bits/fenv.h b/sysdeps/tile/bits/fenv.h new file mode 100644 index 0000000000..b5092c5039 --- /dev/null +++ b/sysdeps/tile/bits/fenv.h @@ -0,0 +1,45 @@ +/* Copyright (C) 2011-2014 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 = +#define FE_TONEAREST 1 + 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) |