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Diffstat (limited to 'sysdeps/nios2/bits/fenv.h')
| -rw-r--r-- | sysdeps/nios2/bits/fenv.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/nios2/bits/fenv.h b/sysdeps/nios2/bits/fenv.h new file mode 100644 index 0000000000..1eca40dabe --- /dev/null +++ b/sysdeps/nios2/bits/fenv.h @@ -0,0 +1,44 @@ +/* Copyright (C) 2012-2015 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/>. */ + +#ifndef _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + +/* The Altera specified Nios II hardware FPU does not support exceptions, + nor does the software floating-point support. */ +#define FE_ALL_EXCEPT 0 + +/* Nios II 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. */ +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 *) -1) |