4 /* $Id: math.h,v 1.7 1994/06/24 11:41:01 ceriel Exp $ */
9 double __huge_val(void); /* may be infinity */
10 #define HUGE_VAL (__huge_val())
12 int __IsNan(double d); /* test for Not A Number */
14 double acos(double _x);
15 double asin(double _x);
16 double atan(double _x);
17 double atan2(double _y, double _x);
19 double cos(double _x);
20 double sin(double _x);
21 double tan(double _x);
23 double cosh(double _x);
24 double sinh(double _x);
25 double tanh(double _x);
27 double exp(double _x);
28 double log(double _x);
29 double log10(double _x);
31 double sqrt(double _x);
32 double ceil(double _x);
33 double fabs(double _x);
34 double floor(double _x);
36 double pow(double _x, double _y);
38 double frexp(double _x, int *_exp);
39 double ldexp(double _x, int _exp);
40 double modf(double _x, double *_iptr);
41 double fmod(double _x, double _y);