double sin(), cos(), tan(), cotan();
double asin(), acos(), atan(), atan2();
double ldexp(), frexp(), modf();
double floor(), ceil();
double log(), log10(), exp(), sqrt(), pow();
double sinh(), cosh(), tanh(), fabs();

#define HUGE	5.2e+151
#define LOGHUGE	349.3
#define TINY	7.5e-155
#define LOGTINY	-354.8
