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Diffstat (limited to 'sysdeps/generic/get-rounding-mode.h')
-rw-r--r-- | sysdeps/generic/get-rounding-mode.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/sysdeps/generic/get-rounding-mode.h b/sysdeps/generic/get-rounding-mode.h deleted file mode 100644 index a829bd5d10..0000000000 --- a/sysdeps/generic/get-rounding-mode.h +++ /dev/null @@ -1,125 +0,0 @@ -/* Determine floating-point rounding mode within libc. Generic version. - Copyright (C) 2012-2017 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 _GET_ROUNDING_MODE_H -#define _GET_ROUNDING_MODE_H 1 - -#include <fpu_control.h> -#include <stdlib.h> - -/* Define values for FE_* modes not defined for this architecture. */ -#ifdef FE_DOWNWARD -# define ORIG_FE_DOWNWARD FE_DOWNWARD -#else -# define ORIG_FE_DOWNWARD 0 -#endif -#ifdef FE_TONEAREST -# define ORIG_FE_TONEAREST FE_TONEAREST -#else -# define ORIG_FE_TONEAREST 0 -#endif -#ifdef FE_TOWARDZERO -# define ORIG_FE_TOWARDZERO FE_TOWARDZERO -#else -# define ORIG_FE_TOWARDZERO 0 -#endif -#ifdef FE_UPWARD -# define ORIG_FE_UPWARD FE_UPWARD -#else -# define ORIG_FE_UPWARD 0 -#endif -#define FE_CONSTRUCT_DISTINCT_VALUE(X, Y, Z) \ - ((((X) & 1) | ((Y) & 2) | ((Z) & 4)) ^ 7) -#ifndef FE_DOWNWARD -# define FE_DOWNWARD FE_CONSTRUCT_DISTINCT_VALUE (ORIG_FE_TONEAREST, \ - ORIG_FE_TOWARDZERO, \ - ORIG_FE_UPWARD) -#endif -#ifndef FE_TONEAREST -# define FE_TONEAREST FE_CONSTRUCT_DISTINCT_VALUE (FE_DOWNWARD, \ - ORIG_FE_TOWARDZERO, \ - ORIG_FE_UPWARD) -#endif -#ifndef FE_TOWARDZERO -# define FE_TOWARDZERO FE_CONSTRUCT_DISTINCT_VALUE (FE_DOWNWARD, \ - FE_TONEAREST, \ - ORIG_FE_UPWARD) -#endif -#ifndef FE_UPWARD -# define FE_UPWARD FE_CONSTRUCT_DISTINCT_VALUE (FE_DOWNWARD, \ - FE_TONEAREST, \ - FE_TOWARDZERO) -#endif - -/* Return the floating-point rounding mode. */ - -static inline int -get_rounding_mode (void) -{ -#if (defined _FPU_RC_DOWN \ - || defined _FPU_RC_NEAREST \ - || defined _FPU_RC_ZERO \ - || defined _FPU_RC_UP) - fpu_control_t fc; - const fpu_control_t mask = (0 -# ifdef _FPU_RC_DOWN - | _FPU_RC_DOWN -# endif -# ifdef _FPU_RC_NEAREST - | _FPU_RC_NEAREST -# endif -# ifdef _FPU_RC_ZERO - | _FPU_RC_ZERO -# endif -# ifdef _FPU_RC_UP - | _FPU_RC_UP -# endif - ); - - _FPU_GETCW (fc); - switch (fc & mask) - { -# ifdef _FPU_RC_DOWN - case _FPU_RC_DOWN: - return FE_DOWNWARD; -# endif - -# ifdef _FPU_RC_NEAREST - case _FPU_RC_NEAREST: - return FE_TONEAREST; -# endif - -# ifdef _FPU_RC_ZERO - case _FPU_RC_ZERO: - return FE_TOWARDZERO; -# endif - -# ifdef _FPU_RC_UP - case _FPU_RC_UP: - return FE_UPWARD; -# endif - - default: - abort (); - } -#else - return FE_TONEAREST; -#endif -} - -#endif /* get-rounding-mode.h */ |