include/math.h

   1 /* The <math.h> header contains prototypes for mathematical functions. */
   2
   3 #ifndef _MATH_H
   4 #define _MATH_H
   5
   6 #ifndef _ANSI_H
   7 #include <ansi.h>
   8 #endif
   9
  10 #define HUGE_VAL        (__huge_val())          /* may be infinity */
  11
  12 /* Function Prototypes. */
  13 _PROTOTYPE( double __huge_val,  (void)                                  );
  14 _PROTOTYPE( int __IsNan,        (double _x)                             );
  15
  16 _PROTOTYPE( double acos,  (double _x)                                   );
  17 _PROTOTYPE( double asin,  (double _x)                                   );
  18 _PROTOTYPE( double atan,  (double _x)                                   );
  19 _PROTOTYPE( double atan2, (double _y, double _x)                        );
  20 _PROTOTYPE( double ceil,  (double _x)                                   );
  21 _PROTOTYPE( double cos,   (double _x)                                   );
  22 _PROTOTYPE( double cosh,  (double _x)                                   );
  23 _PROTOTYPE( double exp,   (double _x)                                   );
  24 _PROTOTYPE( double fabs,  (double _x)                                   );
  25 _PROTOTYPE( double floor, (double _x)                                   );
  26 _PROTOTYPE( double fmod,  (double _x, double _y)                        );
  27 _PROTOTYPE( double frexp, (double _x, int *_exp)                        );
  28 _PROTOTYPE( double ldexp, (double _x, int _exp)                         );
  29 _PROTOTYPE( double log,   (double _x)                                   );
  30 _PROTOTYPE( double log10, (double _x)                                   );
  31 _PROTOTYPE( double modf,  (double _x, double *_iptr)                    );
  32 _PROTOTYPE( double pow,   (double _x, double _y)                        );
  33 _PROTOTYPE( double sin,   (double _x)                                   );
  34 _PROTOTYPE( double sinh,  (double _x)                                   );
  35 _PROTOTYPE( double sqrt,  (double _x)                                   );
  36 _PROTOTYPE( double tan,   (double _x)                                   );
  37 _PROTOTYPE( double tanh,  (double _x)                                   );
  38 _PROTOTYPE( double hypot, (double _x, double _y)                        );
  39
  40 #ifdef _POSIX_SOURCE    /* STD-C? */
  41 #include <mathconst.h>
  42 #endif
  43
  44 #endif /* _MATH_H */