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Diffstat (limited to '9/platforms/android-21/arch-mips/usr/include/machine/ieee.h')
| -rw-r--r-- | 9/platforms/android-21/arch-mips/usr/include/machine/ieee.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/9/platforms/android-21/arch-mips/usr/include/machine/ieee.h b/9/platforms/android-21/arch-mips/usr/include/machine/ieee.h new file mode 100644 index 0000000..c579969 --- /dev/null +++ b/9/platforms/android-21/arch-mips/usr/include/machine/ieee.h @@ -0,0 +1,118 @@ +/* $OpenBSD: ieee.h,v 1.4 2011/11/08 17:06:51 deraadt Exp $ */ +/* $NetBSD: ieee.h,v 1.2 2001/02/21 17:43:50 bjh21 Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratory. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)ieee.h 8.1 (Berkeley) 6/11/93 + */ + +#ifndef _MACHINE_IEEE_H_ +#define _MACHINE_IEEE_H_ + +#include <sys/types.h> + +__BEGIN_DECLS + +#define SNG_EXPBITS 8 +#define SNG_FRACBITS 23 + +#define SNG_EXP_INFNAN 255 +#define SNG_EXP_BIAS 127 + +struct ieee_single { + unsigned sng_frac:23; + unsigned sng_exp:8; + unsigned sng_sign:1; +}; + +#define DBL_EXPBITS 11 +#define DBL_FRACHBITS 20 +#define DBL_FRACLBITS 32 +#define DBL_FRACBITS 52 + +#define DBL_EXP_INFNAN 2047 +#define DBL_EXP_BIAS 1023 + +struct ieee_double { + unsigned dbl_fracl; + unsigned dbl_frach:20; + unsigned dbl_exp:11; + unsigned dbl_sign:1; +}; + +#if __LP64__ + +/* 64-bit Android uses ld128 long doubles. */ + +#define EXT_EXPBITS 15 +#define EXT_FRACHBITS 16 +#define EXT_FRACHMBITS 32 +#define EXT_FRACLMBITS 32 +#define EXT_FRACLBITS 32 +#define EXT_FRACBITS 112 + +#define EXT_EXP_INFNAN 32767 +#define EXT_EXP_BIAS 16383 + +#define EXT_IMPLICIT_NBIT + +#define EXT_TO_ARRAY32(p, a) do { \ + (a)[0] = (uint32_t)(p)->ext_fracl; \ + (a)[1] = (uint32_t)(p)->ext_fraclm; \ + (a)[2] = (uint32_t)(p)->ext_frachm; \ + (a)[3] = (uint32_t)(p)->ext_frach; \ +} while(0) + +struct ieee_ext { + unsigned ext_fracl; + unsigned ext_fraclm; + unsigned ext_frachm; + unsigned ext_frach:16; + unsigned ext_exp:15; + unsigned ext_sign:1; +}; + +#endif + +__END_DECLS + +#endif /* _MACHINE_IEEE_H_ */ |