这是我的问题:我需要一个计算某些数字的窦的函数......
在C++中我写了这个:
double msin(double number, int counter = 0, double sum = 0)
{
// sin(x) = x - (x'3 / 3!) + (x'5 / 5!) - (x'7 / 7!) + (x'9 / 9!)
if (counter <= 20)
{
if (counter % 2 == 0)
sum += mpow(number, counter * 2 + 1) / mfak(counter * 2 + 1) ;
else
sum -= mpow(number, counter * 2 + 1) / mfak(counter * 2 + 1) ;
counter++;
sum = msin(number, …