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float.h revision 1.19.2.1 
      1 /*	$NetBSD: float.h,v 1.19.2.1 2025/08/02 05:55:53 perseant Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 #ifndef _MIPS_FLOAT_H_
     29 #define	_MIPS_FLOAT_H_
     30 
     31 #include <sys/cdefs.h>
     32 #include <sys/featuretest.h>
     33 
     34 #if defined(__mips_n32) || defined(__mips_n64)
     35 
     36 #if __GNUC_PREREQ__(4,1)
     37 
     38 #define	LDBL_MANT_DIG	__LDBL_MANT_DIG__
     39 #define	LDBL_DIG	__LDBL_DIG__
     40 #define	LDBL_MIN_EXP	__LDBL_MIN_EXP__
     41 #define	LDBL_MIN_10_EXP	__LDBL_MIN_10_EXP__
     42 #define	LDBL_MAX_EXP	__LDBL_MAX_EXP__
     43 #define	LDBL_MAX_10_EXP	__LDBL_MAX_10_EXP__
     44 #define	LDBL_EPSILON	__LDBL_EPSILON__
     45 #define	LDBL_MIN	__LDBL_MIN__
     46 #define	LDBL_MAX	__LDBL_MAX__
     47 
     48 #else
     49 
     50 #define	LDBL_MANT_DIG	113
     51 #define	LDBL_DIG	33
     52 #define	LDBL_MIN_EXP	(-16381)
     53 #define	LDBL_MIN_10_EXP	(-4931)
     54 #define	LDBL_MAX_EXP	16384
     55 #define	LDBL_MAX_10_EXP	4932
     56 #if __STDC_VERSION__ >= 199901L
     57 #define	LDBL_EPSILON	0x1p-112L
     58 #define	LDBL_MIN	0x1p-16382L
     59 #define	LDBL_MAX	0x1.ffffffffffffffffffffffffffffp+16383L
     60 #else
     61 #define	LDBL_EPSILON	1.9259299443872358530559779425849273E-34L
     62 #define	LDBL_MIN	3.3621031431120935062626778173217526E-4932L
     63 #define	LDBL_MAX	1.1897314953572317650857593266280070E+4932L
     64 #endif
     65 
     66 #endif /* !__GNUC_PREREQ__(4,1) */
     67 
     68 #endif	/* __mips_n32 || __mips_n64 */
     69 
     70 #include <sys/float_ieee754.h>
     71 
     72 #if defined(__mips_n32) || defined(__mips_n64)
     73 
     74 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
     75     !defined(_XOPEN_SOURCE) || \
     76     ((__STDC_VERSION__ - 0) >= 199901L) || \
     77     ((_POSIX_C_SOURCE - 0) >= 200112L) || \
     78     ((_XOPEN_SOURCE  - 0) >= 600) || \
     79     defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
     80 #if __GNUC_PREREQ__(4,1)
     81 #define	DECIMAL_DIG	__DECIMAL_DIG__
     82 #else
     83 #define	DECIMAL_DIG	36
     84 #endif
     85 #endif /* !defined(_ANSI_SOURCE) && ... */
     86 
     87 #endif	/* __mips_n32 || __mips_n64 */
     88 
     89 #endif	/* _MIPS_FLOAT_H_ */
     90