lxdream 0.9.1| filename | test/include/math.h |
| changeset | 185:6755a04c447f |
| author | nkeynes |
| date | Sat Aug 05 00:18:21 2006 +0000 (17 years ago) |
| permissions | -rw-r--r-- |
| last change | Add error lines to tests with incomplete polys Split clip tests to separate data file Add tests for cmd bit 23 ("use list size field") |
| view | annotate | diff | log | raw |
1 /* math.h -- Definitions for the math floating point package. */
3 #ifndef _MATH_H_
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7 #define _MATH_H_
9 #include <sys/reent.h>
10 #include <machine/ieeefp.h>
11 #include "_ansi.h"
13 #ifndef HUGE_VAL
15 /* Define HUGE_VAL as infinity, unless HUGE_VAL is already defined
16 (which might have been done by something like math-68881.h). */
18 union __dmath
19 {
20 __uint32_t i[2];
21 double d;
22 };
24 extern const union __dmath __infinity;
26 #define HUGE_VAL (__infinity.d)
28 #endif /* ! defined (HUGE_VAL) */
30 /* Reentrant ANSI C functions. */
32 #ifndef __math_68881
33 extern double atan _PARAMS((double));
34 extern double cos _PARAMS((double));
35 extern double sin _PARAMS((double));
36 extern double tan _PARAMS((double));
37 extern double tanh _PARAMS((double));
38 extern double frexp _PARAMS((double, int *));
39 extern double modf _PARAMS((double, double *));
40 extern double ceil _PARAMS((double));
41 extern double fabs _PARAMS((double));
42 extern double floor _PARAMS((double));
43 #endif /* ! defined (__math_68881) */
45 /* Non reentrant ANSI C functions. */
47 #ifndef _REENT_ONLY
48 #ifndef __math_6881
49 extern double acos _PARAMS((double));
50 extern double asin _PARAMS((double));
51 extern double atan2 _PARAMS((double, double));
52 extern double cosh _PARAMS((double));
53 extern double sinh _PARAMS((double));
54 extern double exp _PARAMS((double));
55 extern double ldexp _PARAMS((double, int));
56 extern double log _PARAMS((double));
57 extern double log10 _PARAMS((double));
58 extern double pow _PARAMS((double, double));
59 extern double sqrt _PARAMS((double));
60 extern double fmod _PARAMS((double, double));
61 #endif /* ! defined (__math_68881) */
62 #endif /* ! defined (_REENT_ONLY) */
64 #ifndef __STRICT_ANSI__
66 /* Non ANSI double precision functions. */
68 extern double infinity _PARAMS((void));
69 extern double nan _PARAMS((void));
70 extern int isnan _PARAMS((double));
71 extern int isinf _PARAMS((double));
72 extern int finite _PARAMS((double));
73 extern double copysign _PARAMS((double, double));
74 extern int ilogb _PARAMS((double));
76 extern double asinh _PARAMS((double));
77 extern double cbrt _PARAMS((double));
78 extern double nextafter _PARAMS((double, double));
79 extern double rint _PARAMS((double));
80 extern double scalbn _PARAMS((double, int));
82 #ifndef __math_68881
83 extern double log1p _PARAMS((double));
84 extern double expm1 _PARAMS((double));
85 #endif /* ! defined (__math_68881) */
87 #ifndef _REENT_ONLY
88 extern double acosh _PARAMS((double));
89 extern double atanh _PARAMS((double));
90 extern double remainder _PARAMS((double, double));
91 extern double gamma _PARAMS((double));
92 extern double gamma_r _PARAMS((double, int *));
93 extern double lgamma _PARAMS((double));
94 extern double lgamma_r _PARAMS((double, int *));
95 extern double erf _PARAMS((double));
96 extern double erfc _PARAMS((double));
97 extern double y0 _PARAMS((double));
98 extern double y1 _PARAMS((double));
99 extern double yn _PARAMS((int, double));
100 extern double j0 _PARAMS((double));
101 extern double j1 _PARAMS((double));
102 extern double jn _PARAMS((int, double));
103 #define log2(x) (log (x) / M_LOG2_E)
105 #ifndef __math_68881
106 extern double hypot _PARAMS((double, double));
107 #endif
109 extern double cabs();
110 extern double drem _PARAMS((double, double));
112 #endif /* ! defined (_REENT_ONLY) */
114 /* Single precision versions of ANSI functions. */
116 extern float atanf _PARAMS((float));
117 extern float cosf _PARAMS((float));
118 extern float sinf _PARAMS((float));
119 extern float tanf _PARAMS((float));
120 extern float tanhf _PARAMS((float));
121 extern float frexpf _PARAMS((float, int *));
122 extern float modff _PARAMS((float, float *));
123 extern float ceilf _PARAMS((float));
124 extern float fabsf _PARAMS((float));
125 extern float floorf _PARAMS((float));
127 #ifndef _REENT_ONLY
128 extern float acosf _PARAMS((float));
129 extern float asinf _PARAMS((float));
130 extern float atan2f _PARAMS((float, float));
131 extern float coshf _PARAMS((float));
132 extern float sinhf _PARAMS((float));
133 extern float expf _PARAMS((float));
134 extern float ldexpf _PARAMS((float, int));
135 extern float logf _PARAMS((float));
136 extern float log10f _PARAMS((float));
137 extern float powf _PARAMS((float, float));
138 extern float sqrtf _PARAMS((float));
139 extern float fmodf _PARAMS((float, float));
140 #endif /* ! defined (_REENT_ONLY) */
142 /* Other single precision functions. */
144 extern float infinityf _PARAMS((void));
145 extern float nanf _PARAMS((void));
146 extern int isnanf _PARAMS((float));
147 extern int isinff _PARAMS((float));
148 extern int finitef _PARAMS((float));
149 extern float copysignf _PARAMS((float, float));
150 extern int ilogbf _PARAMS((float));
152 extern float asinhf _PARAMS((float));
153 extern float cbrtf _PARAMS((float));
154 extern float nextafterf _PARAMS((float, float));
155 extern float rintf _PARAMS((float));
156 extern float scalbnf _PARAMS((float, int));
157 extern float log1pf _PARAMS((float));
158 extern float expm1f _PARAMS((float));
160 #ifndef _REENT_ONLY
161 extern float acoshf _PARAMS((float));
162 extern float atanhf _PARAMS((float));
163 extern float remainderf _PARAMS((float, float));
164 extern float gammaf _PARAMS((float));
165 extern float gammaf_r _PARAMS((float, int *));
166 extern float lgammaf _PARAMS((float));
167 extern float lgammaf_r _PARAMS((float, int *));
168 extern float erff _PARAMS((float));
169 extern float erfcf _PARAMS((float));
170 extern float y0f _PARAMS((float));
171 extern float y1f _PARAMS((float));
172 extern float ynf _PARAMS((int, float));
173 extern float j0f _PARAMS((float));
174 extern float j1f _PARAMS((float));
175 extern float jnf _PARAMS((int, float));
176 #define log2f(x) (logf (x) / (float) M_LOG2_E)
177 extern float hypotf _PARAMS((float, float));
179 extern float cabsf();
180 extern float dremf _PARAMS((float, float));
182 #endif /* ! defined (_REENT_ONLY) */
184 /* The gamma functions use a global variable, signgam. */
186 extern int signgam;
188 /* The exception structure passed to the matherr routine. */
190 #ifdef __cplusplus
191 struct __exception
192 #else
193 struct exception
194 #endif
195 {
196 int type;
197 char *name;
198 double arg1;
199 double arg2;
200 double retval;
201 int err;
202 };
204 #ifdef __cplusplus
205 extern int matherr _PARAMS((struct __exception *e));
206 #else
207 extern int matherr _PARAMS((struct exception *e));
208 #endif
210 /* Values for the type field of struct exception. */
212 #define DOMAIN 1
213 #define SING 2
214 #define OVERFLOW 3
215 #define UNDERFLOW 4
216 #define TLOSS 5
217 #define PLOSS 6
219 /* Useful constants. */
221 #define M_E 2.7182818284590452354
222 #define M_LOG2E 1.4426950408889634074
223 #define M_LOG10E 0.43429448190325182765
224 #define M_LN2 0.69314718055994530942
225 #define M_LN10 2.30258509299404568402
226 #define M_PI 3.14159265358979323846
227 #define M_TWOPI (M_PI * 2.0)
228 #define M_PI_2 1.57079632679489661923
229 #define M_PI_4 0.78539816339744830962
230 #define M_3PI_4 2.3561944901923448370E0
231 #define M_SQRTPI 1.77245385090551602792981
232 #define M_1_PI 0.31830988618379067154
233 #define M_2_PI 0.63661977236758134308
234 #define M_2_SQRTPI 1.12837916709551257390
235 #define M_SQRT2 1.41421356237309504880
236 #define M_SQRT1_2 0.70710678118654752440
237 #define M_LN2LO 1.9082149292705877000E-10
238 #define M_LN2HI 6.9314718036912381649E-1
239 #define M_SQRT3 1.73205080756887719000
240 #define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */
241 #define M_LOG2_E 0.693147180559945309417
242 #define M_INVLN2 1.4426950408889633870E0 /* 1 / log(2) */
244 /* Global control over fdlibm error handling. */
246 enum __fdlibm_version
247 {
248 __fdlibm_ieee = -1,
249 __fdlibm_svid,
250 __fdlibm_xopen,
251 __fdlibm_posix
252 };
254 #define _LIB_VERSION_TYPE enum __fdlibm_version
255 #define _LIB_VERSION __fdlib_version
257 extern _CONST _LIB_VERSION_TYPE _LIB_VERSION;
259 #define _IEEE_ __fdlibm_ieee
260 #define _SVID_ __fdlibm_svid
261 #define _XOPEN_ __fdlibm_xopen
262 #define _POSIX_ __fdlibm_posix
264 #endif /* ! defined (__STRICT_ANSI__) */
266 #ifdef __FAST_MATH__
267 #include <machine/fastmath.h>
268 #endif
270 #ifdef __cplusplus
271 }
272 #endif
273 #endif /* _MATH_H_ */
.