6 #define HUGE_VAL 1.0e38
10 double atan(double a);
11 double atan2(double a, double b);
15 double cosh(double a);
16 double sinh(double a);
17 double tanh(double a);
19 double frexp(double a, int * b);
20 double ldexp(double a, int b);
22 double log10(double a);
23 double modf(double a, double *b);
24 double pow(double a, double b);
25 double sqrt(double a);
26 double ceil(double a);
27 double fabs(double a);
28 double floor(double a);
29 double fmod(double a, double b);