[mirror_edk2.git] / StdLib / Include / sys / float_ieee754.h

/*  $NetBSD: float_ieee754.h,v 1.8 2005/12/11 12:25:20 christos Exp $ */\r
\r
/*\r
 * Copyright (c) 1992, 1993\r
 *  The Regents of the University of California.  All rights reserved.\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
 *  @(#)float.h 8.1 (Berkeley) 6/10/93\r
 */\r
\r
/*\r
 * NOTICE: This is not a standalone file.  To use it, #include it in\r
 * your port's float.h header.\r
 */\r
\r
#ifndef _SYS_FLOAT_IEEE754_H_\r
#define _SYS_FLOAT_IEEE754_H_\r
\r
#include <sys/EfiCdefs.h>\r
#include <sys/featuretest.h>\r
\r
#ifndef FLT_ROUNDS\r
__BEGIN_DECLS\r
extern int __flt_rounds(void);\r
__END_DECLS\r
#define FLT_ROUNDS  __flt_rounds()\r
#endif\r
\r
#ifndef FLT_EVAL_METHOD\r
#if __GNUC_PREREQ__(3, 3)\r
#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__\r
#endif /* GCC >= 3.3 */\r
#endif /* defined(FLT_EVAL_METHOD) */\r
\r
#define FLT_RADIX 2   /* b */\r
\r
#define FLT_MANT_DIG  24    /* p */\r
#define FLT_EPSILON 1.19209290E-7F  /* b**(1-p) */\r
#define FLT_DIG   6   /* floor((p-1)*log10(b))+(b == 10) */\r
#define FLT_MIN_EXP (-125)    /* emin */\r
#define FLT_MIN   1.17549435E-38F /* b**(emin-1) */\r
#define FLT_MIN_10_EXP  (-37)   /* ceil(log10(b**(emin-1))) */\r
#define FLT_MAX_EXP 128   /* emax */\r
//#define FLT_MAX   3.40282347e+38F /* (1-b**(-p))*b**emax */\r
#define FLT_MAX   3.402823e+38F /* (1-b**(-p))*b**emax */\r
#define FLT_MAX_10_EXP  38    /* floor(log10((1-b**(-p))*b**emax)) */\r
\r
#define DBL_MANT_DIG  53\r
#define DBL_EPSILON 2.2204460492503131E-16\r
#define DBL_DIG   15\r
#define DBL_MIN_EXP (-1021)\r
#define DBL_MIN   2.2250738585072014E-308\r
#define DBL_MIN_10_EXP  (-307)\r
#define DBL_MAX_EXP 1024\r
#define DBL_MAX   1.7976931348623157E+308\r
#define DBL_MAX_10_EXP  308\r
\r
/*\r
 * If no extended-precision type is defined by the machine-dependent\r
 * header including this, default to `long double' being double-precision.\r
 */\r
#ifndef LDBL_MANT_DIG\r
  #define LDBL_MANT_DIG     DBL_MANT_DIG\r
  #define LDBL_EPSILON      DBL_EPSILON\r
  #define LDBL_DIG          DBL_DIG\r
  #define LDBL_MIN_EXP      DBL_MIN_EXP\r
  #define LDBL_MIN          DBL_MIN\r
  #define LDBL_MIN_10_EXP   DBL_MIN_10_EXP\r
  #define LDBL_MAX_EXP      DBL_MAX_EXP\r
  #define LDBL_MAX          DBL_MAX\r
  #define LDBL_MAX_10_EXP   DBL_MAX_10_EXP\r
\r
  #define DECIMAL_DIG       17    /* ceil((1+p*log10(b))-(b==10) */\r
#endif /* LDBL_MANT_DIG */\r
\r
#endif  /* _SYS_FLOAT_IEEE754_H_ */\r
Commit	Line	Data
2aa62f2b	1	/* $NetBSD: float_ieee754.h,v 1.8 2005/12/11 12:25:20 christos Exp $ */\r
	2	\r
	3	/*\r
	4	* Copyright (c) 1992, 1993\r
	5	* The Regents of the University of California. All rights reserved.\r
	6	*\r
	7	* Redistribution and use in source and binary forms, with or without\r
	8	* modification, are permitted provided that the following conditions\r
	9	* are met:\r
	10	* 1. Redistributions of source code must retain the above copyright\r
	11	* notice, this list of conditions and the following disclaimer.\r
	12	* 2. Redistributions in binary form must reproduce the above copyright\r
	13	* notice, this list of conditions and the following disclaimer in the\r
	14	* documentation and/or other materials provided with the distribution.\r
	15	* 3. Neither the name of the University nor the names of its contributors\r
	16	* may be used to endorse or promote products derived from this software\r
	17	* without specific prior written permission.\r
	18	*\r
	19	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
	20	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
	22	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
	25	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
	26	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
	27	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
	28	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
	29	* SUCH DAMAGE.\r
	30	*\r
	31	* @(#)float.h 8.1 (Berkeley) 6/10/93\r
	32	*/\r
	33	\r
	34	/*\r
	35	* NOTICE: This is not a standalone file. To use it, #include it in\r
	36	* your port's float.h header.\r
	37	*/\r
	38	\r
	39	#ifndef _SYS_FLOAT_IEEE754_H_\r
	40	#define _SYS_FLOAT_IEEE754_H_\r
	41	\r
	42	#include <sys/EfiCdefs.h>\r
	43	#include <sys/featuretest.h>\r
	44	\r
	45	#ifndef FLT_ROUNDS\r
	46	__BEGIN_DECLS\r
	47	extern int __flt_rounds(void);\r
	48	__END_DECLS\r
	49	#define FLT_ROUNDS __flt_rounds()\r
	50	#endif\r
	51	\r
	52	#ifndef FLT_EVAL_METHOD\r
	53	#if __GNUC_PREREQ__(3, 3)\r
	54	#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__\r
	55	#endif /* GCC >= 3.3 */\r
	56	#endif /* defined(FLT_EVAL_METHOD) */\r
	57	\r
	58	#define FLT_RADIX 2 /* b */\r
	59	\r
	60	#define FLT_MANT_DIG 24 /* p */\r
	61	#define FLT_EPSILON 1.19209290E-7F /* b*(1-p) /\r
	62	#define FLT_DIG 6 /* floor((p-1)log10(b))+(b == 10) /\r
	63	#define FLT_MIN_EXP (-125) /* emin */\r
	64	#define FLT_MIN 1.17549435E-38F /* b*(emin-1) /\r
65	#define FLT_MIN_10_EXP (-37) /* ceil(log10(b*(emin-1))) /\r
66	#define FLT_MAX_EXP 128 /* emax */\r
67	//#define FLT_MAX 3.40282347e+38F /* (1-b*(-p))b*emax /\r
68	#define FLT_MAX 3.402823e+38F /* (1-b*(-p))b*emax /\r
69	#define FLT_MAX_10_EXP 38 /* floor(log10((1-b*(-p))b*emax)) /\r
70	\r
71	#define DBL_MANT_DIG 53\r
72	#define DBL_EPSILON 2.2204460492503131E-16\r
73	#define DBL_DIG 15\r
74	#define DBL_MIN_EXP (-1021)\r
75	#define DBL_MIN 2.2250738585072014E-308\r
76	#define DBL_MIN_10_EXP (-307)\r
77	#define DBL_MAX_EXP 1024\r
78	#define DBL_MAX 1.7976931348623157E+308\r
79	#define DBL_MAX_10_EXP 308\r
80	\r
81	/*\r
82	* If no extended-precision type is defined by the machine-dependent\r
83	* header including this, default to `long double' being double-precision.\r
84	*/\r
85	#ifndef LDBL_MANT_DIG\r
86	#define LDBL_MANT_DIG DBL_MANT_DIG\r
87	#define LDBL_EPSILON DBL_EPSILON\r
88	#define LDBL_DIG DBL_DIG\r
89	#define LDBL_MIN_EXP DBL_MIN_EXP\r
90	#define LDBL_MIN DBL_MIN\r
91	#define LDBL_MIN_10_EXP DBL_MIN_10_EXP\r
92	#define LDBL_MAX_EXP DBL_MAX_EXP\r
93	#define LDBL_MAX DBL_MAX\r
94	#define LDBL_MAX_10_EXP DBL_MAX_10_EXP\r
95	\r
96	#define DECIMAL_DIG 17 /* ceil((1+plog10(b))-(b==10) /\r
97	#endif /* LDBL_MANT_DIG */\r
98	\r
99	#endif /* _SYS_FLOAT_IEEE754_H_ */\r