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- /* Copyright (C) 2012-2019 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)
- #if __GLIBC_USE (IEC_60559_BFP_EXT)
- /* Type representing floating-point control modes. */
- typedef unsigned int femode_t;
- /* Default floating-point control modes. */
- # define FE_DFL_MODE ((const femode_t *) -1L)
- #endif
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