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Annotation of sys/arch/m88k/include/ieeefp.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: ieeefp.h,v 1.1 2004/04/26 12:34:05 miod Exp $ */
                      2: /*
                      3:  * Copyright (c) 1996 Nivas Madhur
                      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  * 3. All advertising materials mentioning features or use of this software
                     15:  *    must display the following acknowledgement:
                     16:  *      This product includes software developed by Nivas Madhur.
                     17:  * 4. The name of the author may not be used to endorse or promote products
                     18:  *    derived from this software without specific prior written permission
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     21:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     22:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     23:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     24:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     25:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     26:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     27:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     28:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     29:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     30:  *
                     31:  */
                     32: /*
                     33:  * Values for fp_except are selected to match the bits in FPSR (see
                     34:  * m88100 user's manual page 6-33). This file is derived from the
                     35:  * definitions in the ABI/88k manual and sparc port.
                     36:  *                            -- Nivas
                     37:  */
                     38:
                     39: #ifndef _M88K_IEEEFP_H_
                     40: #define _M88K_IEEEFP_H_
                     41:
                     42: typedef int fp_except;
                     43: #define FP_X_INV       0x10    /* invalid operation exception */
                     44: #define FP_X_DZ                0x08    /* divide-by-zero exception */
                     45: #define FP_X_UFL       0x04    /* underflow exception */
                     46: #define FP_X_OFL       0x02    /* overflow exception */
                     47: #define FP_X_IMP       0x01    /* imprecise (loss of precision) */
                     48:
                     49: typedef enum {
                     50:     FP_RN=0,           /* round to nearest representable number */
                     51:     FP_RZ=1,           /* round to zero (truncate) */
                     52:     FP_RM=2,           /* round toward negative infinity */
                     53:     FP_RP=3            /* round toward positive infinity */
                     54: } fp_rnd;
                     55:
                     56: #endif /* _M88K_IEEEFP_H_ */