diff options
Diffstat (limited to '9/platforms/android-21/arch-x86/usr/include/machine/fenv.h')
| -rw-r--r-- | 9/platforms/android-21/arch-x86/usr/include/machine/fenv.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/9/platforms/android-21/arch-x86/usr/include/machine/fenv.h b/9/platforms/android-21/arch-x86/usr/include/machine/fenv.h new file mode 100644 index 0000000..de45add --- /dev/null +++ b/9/platforms/android-21/arch-x86/usr/include/machine/fenv.h @@ -0,0 +1,69 @@ +/*- + * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> + * 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 1.4 2005/03/17 22:21:46 das Exp $ + */ + +#ifndef _I387_FENV_H_ +#define _I387_FENV_H_ + +#include <sys/types.h> + +__BEGIN_DECLS + +/* + * 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; + +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 + +__END_DECLS + +#endif /* !I387_FENV_H_ */ |