diff --git a/amd64/openlibm_fenv.h b/amd64/openlibm_fenv.h deleted file mode 100644 index df3ceab..0000000 --- a/amd64/openlibm_fenv.h +++ /dev/null @@ -1,224 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/amd64/fenv.h,v 1.8 2011/10/10 15:43:09 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include "cdefs-compat.h" -#include "types-compat.h" - -#include "math_private.h" - -#ifndef __fenv_static -#define __fenv_static static -#endif - -typedef struct { - struct { - uint32_t __control; - uint32_t __status; - uint32_t __tag; - char __other[16]; - } __x87; - uint32_t __mxcsr; -} fenv_t; - -typedef uint16_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x01 -#define FE_DENORMAL 0x02 -#define FE_DIVBYZERO 0x04 -#define FE_OVERFLOW 0x08 -#define FE_UNDERFLOW 0x10 -#define FE_INEXACT 0x20 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_DOWNWARD 0x0400 -#define FE_UPWARD 0x0800 -#define FE_TOWARDZERO 0x0c00 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) - -/* - * As compared to the x87 control word, the SSE unit's control word - * has the rounding control bits offset by 3 and the exception mask - * bits offset by 7. - */ -#define _SSE_ROUND_SHIFT 3 -#define _SSE_EMASK_SHIFT 7 - -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -#define __fldcw(__cw) __asm __volatile("fldcw %0" : : "m" (__cw)) -#define __fldenv(__env) __asm __volatile("fldenv %0" : : "m" (__env)) -#define __fldenvx(__env) __asm __volatile("fldenv %0" : : "m" (__env) \ - : "st", "st(1)", "st(2)", "st(3)", "st(4)", \ - "st(5)", "st(6)", "st(7)") -#define __fnclex() __asm __volatile("fnclex") -#define __fnstenv(__env) __asm __volatile("fnstenv %0" : "=m" (*(__env))) -#define __fnstcw(__cw) __asm __volatile("fnstcw %0" : "=m" (*(__cw))) -#define __fnstsw(__sw) __asm __volatile("fnstsw %0" : "=am" (*(__sw))) -#define __fwait() __asm __volatile("fwait") -#define __ldmxcsr(__csr) __asm __volatile("ldmxcsr %0" : : "m" (__csr)) -#define __stmxcsr(__csr) __asm __volatile("stmxcsr %0" : "=m" (*(__csr))) - -__fenv_static __attribute__((always_inline)) DLLEXPORT inline int -feclearexcept(int __excepts) -{ - fenv_t __env; - - if (__excepts == FE_ALL_EXCEPT) { - __fnclex(); - } else { - __fnstenv(&__env.__x87); - __env.__x87.__status &= ~__excepts; - __fldenv(__env.__x87); - } - __stmxcsr(&__env.__mxcsr); - __env.__mxcsr &= ~__excepts; - __ldmxcsr(__env.__mxcsr); - return (0); -} - -__fenv_static DLLEXPORT inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - uint32_t __mxcsr; - uint16_t __status; - - __stmxcsr(&__mxcsr); - __fnstsw(&__status); - *__flagp = (__mxcsr | __status) & __excepts; - return (0); -} - -DLLEXPORT int fesetexceptflag(const fexcept_t *__flagp, int __excepts); -DLLEXPORT int feraiseexcept(int __excepts); - -__fenv_static __attribute__((always_inline)) DLLEXPORT inline int -fetestexcept(int __excepts) -{ - uint32_t __mxcsr; - uint16_t __status; - - __stmxcsr(&__mxcsr); - __fnstsw(&__status); - return ((__status | __mxcsr) & __excepts); -} - -__fenv_static DLLEXPORT inline int -fegetround(void) -{ - uint16_t __control; - - /* - * We assume that the x87 and the SSE unit agree on the - * rounding mode. Reading the control word on the x87 turns - * out to be about 5 times faster than reading it on the SSE - * unit on an Opteron 244. - */ - __fnstcw(&__control); - return (__control & _ROUND_MASK); -} - -__fenv_static DLLEXPORT inline int -fesetround(int __round) -{ - uint32_t __mxcsr; - uint16_t __control; - - if (__round & ~_ROUND_MASK) - return (-1); - - __fnstcw(&__control); - __control &= ~_ROUND_MASK; - __control |= __round; - __fldcw(__control); - - __stmxcsr(&__mxcsr); - __mxcsr &= ~(_ROUND_MASK << _SSE_ROUND_SHIFT); - __mxcsr |= __round << _SSE_ROUND_SHIFT; - __ldmxcsr(__mxcsr); - - return (0); -} - -DLLEXPORT int fegetenv(fenv_t *__envp); -DLLEXPORT int feholdexcept(fenv_t *__envp); - -__fenv_static DLLEXPORT inline int -fesetenv(const fenv_t *__envp) -{ - - /* - * XXX Using fldenvx() instead of fldenv() tells the compiler that this - * instruction clobbers the i387 register stack. This happens because - * we restore the tag word from the saved environment. Normally, this - * would happen anyway and we wouldn't care, because the ABI allows - * function calls to clobber the i387 regs. However, fesetenv() is - * inlined, so we need to be more careful. - */ - __fldenvx(__envp->__x87); - __ldmxcsr(__envp->__mxcsr); - return (0); -} - -DLLEXPORT int feupdateenv(const fenv_t *__envp); - -#if __BSD_VISIBLE - -DLLEXPORT int feenableexcept(int __mask); -DLLEXPORT int fedisableexcept(int __mask); - -/* We currently provide no external definition of fegetexcept(). */ -static inline DLLEXPORT int -fegetexcept(void) -{ - uint16_t __control; - - /* - * We assume that the masks for the x87 and the SSE unit are - * the same. - */ - __fnstcw(&__control); - return (~__control & FE_ALL_EXCEPT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/arm/openlibm_fenv.h b/arm/openlibm_fenv.h deleted file mode 100644 index cd25ea9..0000000 --- a/arm/openlibm_fenv.h +++ /dev/null @@ -1,223 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/arm/fenv.h,v 1.6 2011/10/10 15:43:09 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include - -#ifndef __fenv_static -#define __fenv_static static -#endif - -typedef uint32_t fenv_t; -typedef uint32_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x0001 -#define FE_DIVBYZERO 0x0002 -#define FE_OVERFLOW 0x0004 -#define FE_UNDERFLOW 0x0008 -#define FE_INEXACT 0x0010 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_TOWARDZERO 0x0001 -#define FE_UPWARD 0x0002 -#define FE_DOWNWARD 0x0003 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -/* We need to be able to map status flag positions to mask flag positions */ -#define _FPUSW_SHIFT 16 -#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT) - -#ifdef ARM_HARD_FLOAT -#define __rfs(__fpsr) __asm __volatile("rfs %0" : "=r" (*(__fpsr))) -#define __wfs(__fpsr) __asm __volatile("wfs %0" : : "r" (__fpsr)) -#else -#define __rfs(__fpsr) -#define __wfs(__fpsr) -#endif - -__fenv_static inline int -feclearexcept(int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - __fpsr &= ~__excepts; - __wfs(__fpsr); - return (0); -} - -__fenv_static inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - *__flagp = __fpsr & __excepts; - return (0); -} - -__fenv_static inline int -fesetexceptflag(const fexcept_t *__flagp, int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - __fpsr &= ~__excepts; - __fpsr |= *__flagp & __excepts; - __wfs(__fpsr); - return (0); -} - -__fenv_static inline int -feraiseexcept(int __excepts) -{ - fexcept_t __ex = __excepts; - - fesetexceptflag(&__ex, __excepts); /* XXX */ - return (0); -} - -__fenv_static inline int -fetestexcept(int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - return (__fpsr & __excepts); -} - -__fenv_static inline int -fegetround(void) -{ - - /* - * Apparently, the rounding mode is specified as part of the - * instruction format on ARM, so the dynamic rounding mode is - * indeterminate. Some FPUs may differ. - */ - return (-1); -} - -__fenv_static inline int -fesetround(int __round) -{ - - return (-1); -} - -__fenv_static inline int -fegetenv(fenv_t *__envp) -{ - - __rfs(__envp); - return (0); -} - -__fenv_static inline int -feholdexcept(fenv_t *__envp) -{ - fenv_t __env; - - __rfs(&__env); - *__envp = __env; - __env &= ~(FE_ALL_EXCEPT | _ENABLE_MASK); - __wfs(__env); - return (0); -} - -__fenv_static inline int -fesetenv(const fenv_t *__envp) -{ - - __wfs(*__envp); - return (0); -} - -__fenv_static inline int -feupdateenv(const fenv_t *__envp) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - __wfs(*__envp); - feraiseexcept(__fpsr & FE_ALL_EXCEPT); - return (0); -} - -#if __BSD_VISIBLE - -/* We currently provide no external definitions of the functions below. */ - -static inline int -feenableexcept(int __mask) -{ - fenv_t __old_fpsr, __new_fpsr; - - __rfs(&__old_fpsr); - __new_fpsr = __old_fpsr | (__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT; - __wfs(__new_fpsr); - return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); -} - -static inline int -fedisableexcept(int __mask) -{ - fenv_t __old_fpsr, __new_fpsr; - - __rfs(&__old_fpsr); - __new_fpsr = __old_fpsr & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); - __wfs(__new_fpsr); - return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); -} - -static inline int -fegetexcept(void) -{ - fenv_t __fpsr; - - __rfs(&__fpsr); - return ((__fpsr & _ENABLE_MASK) >> _FPUSW_SHIFT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/i387/openlibm_fenv.h b/i387/openlibm_fenv.h deleted file mode 100644 index c3a987c..0000000 --- a/i387/openlibm_fenv.h +++ /dev/null @@ -1,259 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/i387/fenv.h,v 1.8 2011/10/10 15:43:09 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include "cdefs-compat.h" -#include "types-compat.h" - -#ifndef __fenv_static -#define __fenv_static static -#endif - -/* - * To preserve binary compatibility with FreeBSD 5.3, we pack the - * mxcsr into some reserved fields, rather than changing sizeof(fenv_t). - */ -typedef struct { - uint16_t __control; - uint16_t __mxcsr_hi; - uint16_t __status; - uint16_t __mxcsr_lo; - uint32_t __tag; - char __other[16]; -} fenv_t; - -#define __get_mxcsr(env) (((env).__mxcsr_hi << 16) | \ - ((env).__mxcsr_lo)) -#define __set_mxcsr(env, x) do { \ - (env).__mxcsr_hi = (uint32_t)(x) >> 16; \ - (env).__mxcsr_lo = (uint16_t)(x); \ -} while (0) - -typedef uint16_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x01 -#define FE_DENORMAL 0x02 -#define FE_DIVBYZERO 0x04 -#define FE_OVERFLOW 0x08 -#define FE_UNDERFLOW 0x10 -#define FE_INEXACT 0x20 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_DOWNWARD 0x0400 -#define FE_UPWARD 0x0800 -#define FE_TOWARDZERO 0x0c00 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) - -/* - * As compared to the x87 control word, the SSE unit's control word - * has the rounding control bits offset by 3 and the exception mask - * bits offset by 7. - */ -#define _SSE_ROUND_SHIFT 3 -#define _SSE_EMASK_SHIFT 7 - -__BEGIN_DECLS - -/* After testing for SSE support once, we cache the result in __has_sse. */ -enum __sse_support { __SSE_YES, __SSE_NO, __SSE_UNK }; -extern enum __sse_support __has_sse; -int __test_sse(void); -#ifdef __SSE__ -#define __HAS_SSE() 1 -#else -#define __HAS_SSE() (__has_sse == __SSE_YES || \ - (__has_sse == __SSE_UNK && __test_sse())) -#endif - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -#define __fldcw(__cw) __asm __volatile("fldcw %0" : : "m" (__cw)) -#define __fldenv(__env) __asm __volatile("fldenv %0" : : "m" (__env)) -#define __fldenvx(__env) __asm __volatile("fldenv %0" : : "m" (__env) \ - : "st", "st(1)", "st(2)", "st(3)", "st(4)", \ - "st(5)", "st(6)", "st(7)") -#define __fnclex() __asm __volatile("fnclex") -#define __fnstenv(__env) __asm __volatile("fnstenv %0" : "=m" (*(__env))) -#define __fnstcw(__cw) __asm __volatile("fnstcw %0" : "=m" (*(__cw))) -#define __fnstsw(__sw) __asm __volatile("fnstsw %0" : "=am" (*(__sw))) -#define __fwait() __asm __volatile("fwait") -#define __ldmxcsr(__csr) __asm __volatile("ldmxcsr %0" : : "m" (__csr)) -#define __stmxcsr(__csr) __asm __volatile("stmxcsr %0" : "=m" (*(__csr))) - -__fenv_static inline int -feclearexcept(int __excepts) -{ - fenv_t __env; - uint32_t __mxcsr; - - if (__excepts == FE_ALL_EXCEPT) { - __fnclex(); - } else { - __fnstenv(&__env); - __env.__status &= ~__excepts; - __fldenv(__env); - } - if (__HAS_SSE()) { - __stmxcsr(&__mxcsr); - __mxcsr &= ~__excepts; - __ldmxcsr(__mxcsr); - } - return (0); -} - -__fenv_static inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - uint32_t __mxcsr; - uint16_t __status; - - __fnstsw(&__status); - if (__HAS_SSE()) - __stmxcsr(&__mxcsr); - else - __mxcsr = 0; - *__flagp = (__mxcsr | __status) & __excepts; - return (0); -} - -int fesetexceptflag(const fexcept_t *__flagp, int __excepts); -int feraiseexcept(int __excepts); - -__fenv_static inline int -fetestexcept(int __excepts) -{ - uint32_t __mxcsr; - uint16_t __status; - - __fnstsw(&__status); - if (__HAS_SSE()) - __stmxcsr(&__mxcsr); - else - __mxcsr = 0; - return ((__status | __mxcsr) & __excepts); -} - -__fenv_static inline int -fegetround(void) -{ - uint16_t __control; - - /* - * We assume that the x87 and the SSE unit agree on the - * rounding mode. Reading the control word on the x87 turns - * out to be about 5 times faster than reading it on the SSE - * unit on an Opteron 244. - */ - __fnstcw(&__control); - return (__control & _ROUND_MASK); -} - -__fenv_static inline int -fesetround(int __round) -{ - uint32_t __mxcsr; - uint16_t __control; - - if (__round & ~_ROUND_MASK) - return (-1); - - __fnstcw(&__control); - __control &= ~_ROUND_MASK; - __control |= __round; - __fldcw(__control); - - if (__HAS_SSE()) { - __stmxcsr(&__mxcsr); - __mxcsr &= ~(_ROUND_MASK << _SSE_ROUND_SHIFT); - __mxcsr |= __round << _SSE_ROUND_SHIFT; - __ldmxcsr(__mxcsr); - } - - return (0); -} - -int fegetenv(fenv_t *__envp); -int feholdexcept(fenv_t *__envp); - -__fenv_static inline int -fesetenv(const fenv_t *__envp) -{ - fenv_t __env = *__envp; - uint32_t __mxcsr; - - __mxcsr = __get_mxcsr(__env); - __set_mxcsr(__env, 0xffffffff); - /* - * XXX Using fldenvx() instead of fldenv() tells the compiler that this - * instruction clobbers the i387 register stack. This happens because - * we restore the tag word from the saved environment. Normally, this - * would happen anyway and we wouldn't care, because the ABI allows - * function calls to clobber the i387 regs. However, fesetenv() is - * inlined, so we need to be more careful. - */ - __fldenvx(__env); - if (__HAS_SSE()) - __ldmxcsr(__mxcsr); - return (0); -} - -int feupdateenv(const fenv_t *__envp); - -#if __BSD_VISIBLE - -int feenableexcept(int __mask); -int fedisableexcept(int __mask); - -/* We currently provide no external definition of fegetexcept(). */ -static inline int -fegetexcept(void) -{ - uint16_t __control; - - /* - * We assume that the masks for the x87 and the SSE unit are - * the same. - */ - __fnstcw(&__control); - return (~__control & FE_ALL_EXCEPT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */