+++ /dev/null
-/* $NetBSD: ieee.h,v 1.9.32.1 2007/05/07 19:49:10 pavel Exp $ */\r
-\r
-/*\r
- * Copyright (c) 1992, 1993\r
- * The Regents of the University of California. All rights reserved.\r
- *\r
- * This software was developed by the Computer Systems Engineering group\r
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and\r
- * contributed to Berkeley.\r
- *\r
- * All advertising materials mentioning features or use of this software\r
- * must display the following acknowledgement:\r
- * This product includes software developed by the University of\r
- * California, Lawrence Berkeley Laboratory.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- * 3. Neither the name of the University nor the names of its contributors\r
- * may be used to endorse or promote products derived from this software\r
- * without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
- * SUCH DAMAGE.\r
- *\r
- * @(#)ieee.h 8.1 (Berkeley) 6/11/93\r
- */\r
-\r
-/*\r
- * ieee.h defines the machine-dependent layout of the machine's IEEE\r
- * floating point. It does *not* define (yet?) any of the rounding\r
- * mode bits, exceptions, and so forth.\r
- */\r
-\r
-#include <sys/ieee754.h>\r
-\r
-#define EXT_EXPBITS 15\r
-#define EXT_FRACHBITS 32\r
-#define EXT_FRACLBITS 32\r
-#define EXT_FRACBITS (EXT_FRACLBITS + EXT_FRACHBITS)\r
-\r
-#define EXT_TO_ARRAY32(u, a) do { \\r
- (a)[0] = (uint32_t)(u).extu_ext.ext_fracl; \\r
- (a)[1] = (uint32_t)(u).extu_ext.ext_frach; \\r
-} while(/*CONSTCOND*/0)\r
-\r
-/*\r
- * struct ieee_ext is the raw storage layout of the 80-bit\r
- * extended-precision type as implemented by the FPU. Per the\r
- * respective ABI specifications, it is followed by a tail padding of\r
- *\r
- * amd64: 48 bits,\r
- * i386: 16 bits.\r
- */\r
-struct ieee_ext {\r
- u_int ext_fracl:EXT_FRACLBITS;\r
- u_int ext_frach:EXT_FRACHBITS;\r
-#if 0\r
- u_int ext_int:1;\r
-#endif\r
- u_int ext_exp:EXT_EXPBITS;\r
- u_int ext_sign:1;\r
-};\r
-\r
-/*\r
- * Floats whose exponent is in [1..INFNAN) (of whatever type) are\r
- * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.\r
- * Floats whose exponent is zero are either zero (iff all fraction\r
- * bits are zero) or subnormal values.\r
- *\r
- * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its\r
- * high fraction; if the bit is set, it is a `quiet NaN'.\r
- */\r
-#define EXT_EXP_INFNAN 32767\r
-\r
-#if 0\r
-#define SNG_QUIETNAN (1 << 22)\r
-#define DBL_QUIETNAN (1 << 19)\r
-#define EXT_QUIETNAN (1 << 30)\r
-#endif\r
-\r
-/*\r
- * Exponent biases.\r
- */\r
-#define EXT_EXP_BIAS 16383\r
-\r
-/*\r
- * Convenience data structures.\r
- */\r
-union ieee_ext_u {\r
- long double extu_ld;\r
- struct ieee_ext extu_ext;\r
-};\r
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