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lxdream 0.9.1
released Jun 29
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filename test/include/math.h
changeset 185:6755a04c447f
author nkeynes
date Tue Jul 11 01:35:27 2006 +0000 (15 years ago)
permissions -rw-r--r--
last change First commit of system test framework. 3 initial test cases (incomplete):
testide, testmath, and testta
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_ */
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