compiler/mlib/fdlibm.h

   1
   2 /* @(#)fdlibm.h 1.5 95/01/18 */
   3 /*
   4  * ====================================================
   5  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   6  *
   7  * Developed at SunSoft, a Sun Microsystems, Inc. business.
   8  * Permission to use, copy, modify, and distribute this
   9  * software is freely granted, provided that this notice
  10  * is preserved.
  11  * ====================================================
  12  */
  13
  14 #ifndef AROS_CPU_H
  15 #include <aros/cpu.h>
  16 #endif
  17 #if AROS_BIG_ENDIAN == 0
  18 #define __LITTLE_ENDIAN
  19 #endif
  20
  21 #ifdef __NEWVALID       /* special setup for Sun test regime */
  22 #if defined(i386) || defined(i486) || \
  23         defined(intel) || defined(x86) || defined(i86pc)
  24 #define __LITTLE_ENDIAN
  25 #endif
  26 #endif
  27
  28 #ifdef __LITTLE_ENDIAN
  29 #define __HI(x) *(1+(int*)&x)
  30 #define __LO(x) *(int*)&x
  31 #define __HIp(x) *(1+(int*)x)
  32 #define __LOp(x) *(int*)x
  33 #else
  34 #define __HI(x) *(int*)&x
  35 #define __LO(x) *(1+(int*)&x)
  36 #define __HIp(x) *(int*)x
  37 #define __LOp(x) *(1+(int*)x)
  38 #endif
  39
  40 #ifdef __STDC__
  41 #define __P(p)  p
  42 #else
  43 #define __P(p)  ()
  44 #endif
  45
  46 /*
  47  * ANSI/POSIX
  48  */
  49
  50 extern int signgam;
  51
  52 #define MAXFLOAT        ((float)3.40282346638528860e+38)
  53
  54 enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix};
  55
  56 #define _LIB_VERSION_TYPE enum fdversion
  57 #define _LIB_VERSION _fdlib_version
  58
  59 /* if global variable _LIB_VERSION is not desirable, one may
  60  * change the following to be a constant by:
  61  *      #define _LIB_VERSION_TYPE const enum version
  62  * In that case, after one initializes the value _LIB_VERSION (see
  63  * s_lib_version.c) during compile time, it cannot be modified
  64  * in the middle of a program
  65  */
  66 extern  _LIB_VERSION_TYPE  _LIB_VERSION;
  67
  68 #define _IEEE_  fdlibm_ieee
  69 #define _SVID_  fdlibm_svid
  70 #define _XOPEN_ fdlibm_xopen
  71 #define _POSIX_ fdlibm_posix
  72
  73 struct exception {
  74         int type;
  75         char *name;
  76         double arg1;
  77         double arg2;
  78         double retval;
  79 };
  80
  81 #define HUGE            MAXFLOAT
  82
  83 /*
  84  * set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
  85  * (one may replace the following line by "#include <values.h>")
  86  */
  87
  88 #define X_TLOSS         1.41484755040568800000e+16
  89
  90 #define DOMAIN          1
  91 #define SING            2
  92 #define OVERFLOW        3
  93 #define UNDERFLOW       4
  94 #define TLOSS           5
  95 #define PLOSS           6
  96
  97 /*
  98  * ANSI/POSIX
  99  */
 100 extern double acos __P((double));
 101 extern double asin __P((double));
 102 extern double atan __P((double));
 103 extern double atan2 __P((double, double));
 104 extern double cos __P((double));
 105 extern double sin __P((double));
 106 extern double tan __P((double));
 107
 108 extern double cosh __P((double));
 109 extern double sinh __P((double));
 110 extern double tanh __P((double));
 111
 112 extern double exp __P((double));
 113 extern double frexp __P((double, int *));
 114 extern double ldexp __P((double, int));
 115 extern double log __P((double));
 116 extern double log10 __P((double));
 117 extern double modf __P((double, double *));
 118
 119 extern double pow __P((double, double));
 120 extern double sqrt __P((double));
 121
 122 extern double ceil __P((double));
 123 extern double fabs __P((double));
 124 extern double floor __P((double));
 125 extern double fmod __P((double, double));
 126
 127 extern double erf __P((double));
 128 extern double erfc __P((double));
 129 extern double gamma __P((double));
 130 extern double hypot __P((double, double));
 131 extern int isnan __P((double));
 132 extern int finite __P((double));
 133 extern double j0 __P((double));
 134 extern double j1 __P((double));
 135 extern double jn __P((int, double));
 136 extern double lgamma __P((double));
 137 extern double y0 __P((double));
 138 extern double y1 __P((double));
 139 extern double yn __P((int, double));
 140
 141 extern double acosh __P((double));
 142 extern double asinh __P((double));
 143 extern double atanh __P((double));
 144 extern double cbrt __P((double));
 145 extern double logb __P((double));
 146 extern double nextafter __P((double, double));
 147 extern double remainder __P((double, double));
 148 #ifdef _SCALB_INT
 149 extern double scalb __P((double, int));
 150 #else
 151 extern double scalb __P((double, double));
 152 #endif
 153
 154 extern int matherr __P((struct exception *));
 155
 156 /*
 157  * IEEE Test Vector
 158  */
 159 extern double significand __P((double));
 160
 161 /*
 162  * Functions callable from C, intended to support IEEE arithmetic.
 163  */
 164 extern double copysign __P((double, double));
 165 extern int ilogb __P((double));
 166 extern double rint __P((double));
 167 extern double scalbn __P((double, int));
 168
 169 /*
 170  * BSD math library entry points
 171  */
 172 extern double expm1 __P((double));
 173 extern double log1p __P((double));
 174
 175 /*
 176  * Reentrant version of gamma & lgamma; passes signgam back by reference
 177  * as the second argument; user must allocate space for signgam.
 178  */
 179 #ifdef _REENTRANT
 180 extern double gamma_r __P((double, int *));
 181 extern double lgamma_r __P((double, int *));
 182 #endif  /* _REENTRANT */
 183
 184 /* ieee style elementary functions */
 185 extern double __ieee754_sqrt __P((double));
 186 extern double __ieee754_acos __P((double));
 187 extern double __ieee754_acosh __P((double));
 188 extern double __ieee754_log __P((double));
 189 extern double __ieee754_atanh __P((double));
 190 extern double __ieee754_asin __P((double));
 191 extern double __ieee754_atan2 __P((double,double));
 192 extern double __ieee754_exp __P((double));
 193 extern double __ieee754_cosh __P((double));
 194 extern double __ieee754_fmod __P((double,double));
 195 extern double __ieee754_pow __P((double,double));
 196 extern double __ieee754_lgamma_r __P((double,int *));
 197 extern double __ieee754_gamma_r __P((double,int *));
 198 extern double __ieee754_lgamma __P((double));
 199 extern double __ieee754_gamma __P((double));
 200 extern double __ieee754_log10 __P((double));
 201 extern double __ieee754_sinh __P((double));
 202 extern double __ieee754_hypot __P((double,double));
 203 extern double __ieee754_j0 __P((double));
 204 extern double __ieee754_j1 __P((double));
 205 extern double __ieee754_y0 __P((double));
 206 extern double __ieee754_y1 __P((double));
 207 extern double __ieee754_jn __P((int,double));
 208 extern double __ieee754_yn __P((int,double));
 209 extern double __ieee754_remainder __P((double,double));
 210 extern int    __ieee754_rem_pio2 __P((double,double*));
 211 #ifdef _SCALB_INT
 212 extern double __ieee754_scalb __P((double,int));
 213 #else
 214 extern double __ieee754_scalb __P((double,double));
 215 #endif
 216
 217 /* fdlibm kernel function */
 218 extern double __kernel_standard __P((double,double,int));
 219 extern double __kernel_sin __P((double,double,int));
 220 extern double __kernel_cos __P((double,double));
 221 extern double __kernel_tan __P((double,double,int));
 222 extern int    __kernel_rem_pio2 __P((double*,double*,int,int,int,const int*));