精选优质文档-倾情为你奉上数学函数参考表说明：用到数学函数时，源程序首部一定要有： include “cmath”函 数 原 型功 能 说 明int abs (int x);double acos (double x):double asin (double x);double atan (double x);double atan2 (double y, double x);double atof (constchar *s);double ceif (double x);double cos (double x);double xosh (double x);double exp (double x);double fabs (double x);double floor (double x);double fmod (double x, double y);double frexp (double x, int *exponent);double hypot (dou
