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2aa62f2b 1/* $NetBSD: math.h,v 1.44 2006/03/25 16:41:11 xtraeme Exp $ */\r
2\r
3/*\r
4 * ====================================================\r
5 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.\r
6 *\r
7 * Developed at SunPro, a Sun Microsystems, Inc. business.\r
8 * Permission to use, copy, modify, and distribute this\r
9 * software is freely granted, provided that this notice\r
10 * is preserved.\r
11 * ====================================================\r
12 */\r
13\r
14/*\r
15 * @(#)fdlibm.h 5.1 93/09/24\r
16 */\r
17\r
18#ifndef _MATH_H_\r
19#define _MATH_H_\r
20\r
21#include <sys/EfiCdefs.h>\r
22#include <sys/featuretest.h>\r
23\r
24union __float_u {\r
25 unsigned char __dummy[sizeof(float)];\r
26 float __val;\r
27};\r
28\r
29union __double_u {\r
30 unsigned char __dummy[sizeof(double)];\r
31 double __val;\r
32};\r
33\r
34union __long_double_u {\r
35 unsigned char __dummy[sizeof(long double)];\r
36 long double __val;\r
37};\r
38\r
39#include <machine/math.h> /* may use __float_u, __double_u,\r
40 or __long_double_u */\r
41\r
42#ifdef __HAVE_LONG_DOUBLE\r
43#define __fpmacro_unary_floating(__name, __arg0) \\r
44 /* LINTED */ \\r
45 ((sizeof (__arg0) == sizeof (float)) \\r
46 ? __ ## __name ## f (__arg0) \\r
47 : (sizeof (__arg0) == sizeof (double)) \\r
48 ? __ ## __name ## d (__arg0) \\r
49 : __ ## __name ## l (__arg0))\r
50#else\r
51#define __fpmacro_unary_floating(__name, __arg0) \\r
52 /* LINTED */ \\r
53 ((sizeof (__arg0) == sizeof (float)) \\r
54 ? __ ## __name ## f (__arg0) \\r
55 : __ ## __name ## d (__arg0))\r
56#endif /* __HAVE_LONG_DOUBLE */\r
57\r
58/*\r
59 * ANSI/POSIX\r
60 */\r
61/* 7.12#3 HUGE_VAL, HUGELF, HUGE_VALL */\r
62extern const union __double_u __infinity;\r
63#define HUGE_VAL __infinity.__val\r
64\r
65/*\r
66 * ISO C99\r
67 */\r
68/* 7.12#3 HUGE_VAL, HUGELF, HUGE_VALL */\r
69extern const union __float_u __infinityf;\r
70#define HUGE_VALF __infinityf.__val\r
71\r
72extern const union __long_double_u __infinityl;\r
73#define HUGE_VALL __infinityl.__val\r
74\r
75/* 7.12#4 INFINITY */\r
76#ifdef __INFINITY\r
77#define INFINITY __INFINITY /* float constant which overflows */\r
78#else\r
79#define INFINITY HUGE_VALF /* positive infinity */\r
80#endif /* __INFINITY */\r
81\r
82/* 7.12#5 NAN: a quiet NaN, if supported */\r
83#ifdef __HAVE_NANF\r
84extern const union __float_u __nanf;\r
85#define NAN __nanf.__val\r
86#endif /* __HAVE_NANF */\r
87\r
88/* 7.12#6 number classification macros */\r
89#define FP_INFINITE 0x00\r
90#define FP_NAN 0x01\r
91#define FP_NORMAL 0x02\r
92#define FP_SUBNORMAL 0x03\r
93#define FP_ZERO 0x04\r
94/* NetBSD extensions */\r
95#define _FP_LOMD 0x80 /* range for machine-specific classes */\r
96#define _FP_HIMD 0xff\r
97\r
98/*\r
99 * XOPEN/SVID\r
100 */\r
101#define M_E 2.7182818284590452354 /* e */\r
102#define M_LOG2E 1.4426950408889634074 /* log 2e */\r
103#define M_LOG10E 0.43429448190325182765 /* log 10e */\r
104#define M_LN2 0.69314718055994530942 /* log e2 */\r
105#define M_LN10 2.30258509299404568402 /* log e10 */\r
106#define M_PI 3.14159265358979323846 /* pi */\r
107#define M_PI_2 1.57079632679489661923 /* pi/2 */\r
108#define M_PI_4 0.78539816339744830962 /* pi/4 */\r
109#define M_1_PI 0.31830988618379067154 /* 1/pi */\r
110#define M_2_PI 0.63661977236758134308 /* 2/pi */\r
111#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */\r
112#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */\r
113#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */\r
114\r
115#define MAXFLOAT ((float)3.40282346638528860e+38)\r
116extern int signgam;\r
117\r
118enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix};\r
119\r
120#define _LIB_VERSION_TYPE enum fdversion\r
121#define _LIB_VERSION _fdlib_version\r
122\r
123/* if global variable _LIB_VERSION is not desirable, one may\r
124 * change the following to be a constant by:\r
125 * #define _LIB_VERSION_TYPE const enum version\r
126 * In that case, after one initializes the value _LIB_VERSION (see\r
127 * s_lib_version.c) during compile time, it cannot be modified\r
128 * in the middle of a program\r
129 */\r
130extern _LIB_VERSION_TYPE _LIB_VERSION;\r
131\r
132#define _IEEE_ fdlibm_ieee\r
133#define _SVID_ fdlibm_svid\r
134#define _XOPEN_ fdlibm_xopen\r
135#define _POSIX_ fdlibm_posix\r
136\r
137#ifndef __cplusplus\r
138struct exception {\r
139 int type;\r
140 char *name;\r
141 double arg1;\r
142 double arg2;\r
143 double retval;\r
144};\r
145#endif\r
146\r
147#define HUGE MAXFLOAT\r
148\r
149/*\r
150 * set X_TLOSS = pi*2**52, which is possibly defined in <values.h>\r
151 * (one may replace the following line by "#include <values.h>")\r
152 */\r
153\r
154#define X_TLOSS 1.41484755040568800000e+16\r
155\r
156#define DOMAIN 1\r
157#define SING 2\r
158#define OVERFLOW 3\r
159#define UNDERFLOW 4\r
160#define TLOSS 5\r
161#define PLOSS 6\r
162\r
163\r
164__BEGIN_DECLS\r
165/*\r
166 * ANSI/POSIX\r
167 */\r
168double acos(double);\r
169double asin(double);\r
170double atan(double);\r
171double atan2(double, double);\r
172double cos(double);\r
173double sin(double);\r
174double tan(double);\r
175\r
176double cosh(double);\r
177double sinh(double);\r
178double tanh(double);\r
179\r
180double exp(double);\r
181double frexp(double, int *);\r
182double ldexp(double, int);\r
183double log(double);\r
184double log2(double);\r
185double log10(double);\r
186double modf(double, double *);\r
187\r
188double pow(double, double);\r
189double sqrt(double);\r
190\r
191double ceil(double);\r
192double fabs(double);\r
193double floor(double);\r
194double fmod(double, double);\r
195\r
196//#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)\r
197//double erf(double);\r
198//double erfc(double);\r
199//double gamma(double);\r
200//double hypot(double, double);\r
201int finite(double);\r
202//double j0(double);\r
203//double j1(double);\r
204//double jn(int, double);\r
205//double lgamma(double);\r
206//double y0(double);\r
207//double y1(double);\r
208//double yn(int, double);\r
209\r
210//#if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)\r
211//double acosh(double);\r
212//double asinh(double);\r
213//double atanh(double);\r
214//double cbrt(double);\r
215double expm1(double);\r
216//int ilogb(double);\r
217//double log1p(double);\r
218//double logb(double);\r
219//double nextafter(double, double);\r
220//double remainder(double, double);\r
221//double rint(double);\r
222//double scalb(double, double);\r
223//#endif /* (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)*/\r
224//#endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */\r
225\r
226/* 7.12.3.1 int fpclassify(real-floating x) */\r
227#define fpclassify(__x) __fpmacro_unary_floating(fpclassify, __x)\r
228\r
229#if 0\r
230/*\r
231 * ISO C99\r
232 */\r
233#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \\r
234 !defined(_XOPEN_SOURCE) || \\r
235 ((__STDC_VERSION__ - 0) >= 199901L) || \\r
236 ((_POSIX_C_SOURCE - 0) >= 200112L) || \\r
237 ((_XOPEN_SOURCE - 0) >= 600) || \\r
238 defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)\r
239\r
240/* 7.12.3.2 int isfinite(real-floating x) */\r
241#define isfinite(__x) __fpmacro_unary_floating(isfinite, __x)\r
242\r
243/* 7.12.3.5 int isnormal(real-floating x) */\r
244#define isnormal(__x) (fpclassify(__x) == FP_NORMAL)\r
245\r
246/* 7.12.3.6 int signbit(real-floating x) */\r
247#define signbit(__x) __fpmacro_unary_floating(signbit, __x)\r
248\r
249/* 7.12.4 trigonometric */\r
250\r
251float acosf(float);\r
252float asinf(float);\r
253float atanf(float);\r
254float atan2f(float, float);\r
255float cosf(float);\r
256float sinf(float);\r
257float tanf(float);\r
258\r
259/* 7.12.5 hyperbolic */\r
260\r
261float acoshf(float);\r
262float asinhf(float);\r
263float atanhf(float);\r
264float coshf(float);\r
265float sinhf(float);\r
266float tanhf(float);\r
267\r
268/* 7.12.6 exp / log */\r
269\r
270float expf(float);\r
271float expm1f(float);\r
272float frexpf(float, int *);\r
273int ilogbf(float);\r
274float ldexpf(float, int);\r
275float logf(float);\r
276float log2f(float);\r
277float log10f(float);\r
278float log1pf(float);\r
279float logbf(float);\r
280float modff(float, float *);\r
281float scalbnf(float, int);\r
282\r
283/* 7.12.7 power / absolute */\r
284\r
285float cbrtf(float);\r
286float fabsf(float);\r
287float hypotf(float, float);\r
288float powf(float, float);\r
289float sqrtf(float);\r
290\r
291/* 7.12.8 error / gamma */\r
292\r
293float erff(float);\r
294float erfcf(float);\r
295float lgammaf(float);\r
296\r
297/* 7.12.9 nearest integer */\r
298\r
299float ceilf(float);\r
300float floorf(float);\r
301float rintf(float);\r
302double round(double);\r
303float roundf(float);\r
304double trunc(double);\r
305float truncf(float);\r
306long int lrint(double);\r
307long int lrintf(float);\r
308/* LONGLONG */\r
309long long int llrint(double);\r
310/* LONGLONG */\r
311long long int llrintf(float);\r
312long int lround(double);\r
313long int lroundf(float);\r
314/* LONGLONG */\r
315long long int llround(double);\r
316/* LONGLONG */\r
317long long int llroundf(float);\r
318\r
319/* 7.12.10 remainder */\r
320\r
321float fmodf(float, float);\r
322float remainderf(float, float);\r
323\r
324/* 7.2.11 manipulation */\r
325\r
326float copysignf(float, float);\r
327double nan(const char *);\r
328float nanf(const char *);\r
329long double nanl(const char *);\r
330float nextafterf(float, float);\r
331\r
332\r
333#endif /* !_ANSI_SOURCE && ... */\r
334\r
335#if defined(_NETBSD_SOURCE)\r
336#ifndef __cplusplus\r
337int matherr(struct exception *);\r
338#endif\r
339#endif /* _NETBSD_SOURCE */\r
340\r
341/*\r
342 * IEEE Test Vector\r
343 */\r
344double significand(double);\r
345#endif /* if 0 */\r
346\r
347/* 7.12.3.3 int isinf(real-floating x) */\r
348#ifdef __isinf\r
349#define isinf(__x) __isinf(__x)\r
350#else\r
351#define isinf(__x) __fpmacro_unary_floating(isinf, __x)\r
352#endif\r
353\r
354/* 7.12.3.4 int isnan(real-floating x) */\r
355#ifdef __isnan\r
356#define isnan(__x) __isnan(__x)\r
357#else\r
358#define isnan(__x) __fpmacro_unary_floating(isnan, __x)\r
359#endif\r
360\r
361/*\r
362 * Functions callable from C, intended to support IEEE arithmetic.\r
363 */\r
364double copysign(double, double);\r
365double scalbn(double, int);\r
366\r
367#if 0\r
368/*\r
369 * BSD math library entry points\r
370 */\r
371#ifndef __MATH_PRIVATE__\r
372double cabs(/* struct complex { double r; double i; } */);\r
373#endif\r
374double drem(double, double);\r
375\r
376\r
377#if defined(_NETBSD_SOURCE) || defined(_REENTRANT)\r
378/*\r
379 * Reentrant version of gamma & lgamma; passes signgam back by reference\r
380 * as the second argument; user must allocate space for signgam.\r
381 */\r
382double gamma_r(double, int *);\r
383double lgamma_r(double, int *);\r
384#endif /* _NETBSD_SOURCE || _REENTRANT */\r
385\r
386\r
387#if defined(_NETBSD_SOURCE)\r
388\r
389/* float versions of ANSI/POSIX functions */\r
390\r
391float gammaf(float);\r
392int isinff(float);\r
393int isnanf(float);\r
394int finitef(float);\r
395float j0f(float);\r
396float j1f(float);\r
397float jnf(int, float);\r
398float y0f(float);\r
399float y1f(float);\r
400float ynf(int, float);\r
401\r
402float scalbf(float, float);\r
403\r
404/*\r
405 * float version of IEEE Test Vector\r
406 */\r
407float significandf(float);\r
408\r
409/*\r
410 * float versions of BSD math library entry points\r
411 */\r
412#ifndef __MATH_PRIVATE__\r
413float cabsf(/* struct complex { float r; float i; } */);\r
414#endif\r
415float dremf(float, float);\r
416#endif /* _NETBSD_SOURCE */\r
417\r
418#if defined(_NETBSD_SOURCE) || defined(_REENTRANT)\r
419/*\r
420 * Float versions of reentrant version of gamma & lgamma; passes\r
421 * signgam back by reference as the second argument; user must\r
422 * allocate space for signgam.\r
423 */\r
424float gammaf_r(float, int *);\r
425float lgammaf_r(float, int *);\r
426#endif /* !... || _REENTRANT */\r
427\r
428#endif /* if 0 */\r
429\r
430///*\r
431// * Library implementation\r
432// */\r
433int __fpclassifyf(float);\r
434int __fpclassifyd(double);\r
435//int __isfinitef(float);\r
436//int __isfinited(double);\r
437int __isinff(float);\r
438int __isinfd(double);\r
439int __isnanf(float);\r
440int __isnand(double);\r
441//int __signbitf(float);\r
442//int __signbitd(double);\r
443\r
444//#ifdef __HAVE_LONG_DOUBLE\r
445int __fpclassifyl(long double);\r
446//int __isfinitel(long double);\r
447int __isinfl(long double);\r
448int __isnanl(long double);\r
449//int __signbitl(long double);\r
450//#endif\r
451__END_DECLS\r
452\r
453#endif /* _MATH_H_ */\r
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