/* Floating point environment, RISC-V version. Copyright (C) 1998-2018 Free Software Foundation, Inc. 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 . */ #ifndef _FENV_H # error "Never use directly; include instead." #endif enum { FE_INEXACT = #define FE_INEXACT (0x01) FE_INEXACT, FE_UNDERFLOW = #define FE_UNDERFLOW (0x02) FE_UNDERFLOW, FE_OVERFLOW = #define FE_OVERFLOW (0x04) FE_OVERFLOW, FE_DIVBYZERO = #define FE_DIVBYZERO (0x08) FE_DIVBYZERO, FE_INVALID = #define FE_INVALID (0x10) FE_INVALID }; #define FE_ALL_EXCEPT \ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) enum { FE_TONEAREST = #define FE_TONEAREST (0x0) FE_TONEAREST, FE_TOWARDZERO = #define FE_TOWARDZERO (0x1) FE_TOWARDZERO, FE_DOWNWARD = #define FE_DOWNWARD (0x2) FE_DOWNWARD, FE_UPWARD = #define FE_UPWARD (0x3) FE_UPWARD }; typedef unsigned int fexcept_t; 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