用c实现进制转换

				#include"stdio.h"
				#include"stdlib.h"
				#include"math.h"
				#include"iostream.h"
				
				double jie(int n)
				{
				    long t=1,i;
				    for(i=1;i				        t=t*i;
				    return t;
				}
				
				double sinm(float x)
				{
					double a,s,b;
					int i=1;
					a=14;
					if(!(fabs(a)>1e-7))
				    s=0;
					//while(fabs(a)>1e-7)
					for(;i					{
				        b=jie(2*i-1);
				       //cout				       cout						a=pow(-1,i-1)*pow(x,2*i-1)/b;
						s=s+a;
						cout						//pause;
				        i++;
				        //cout					}
					return s;
				}
				void main()
				{
					float a;
				    cout					cin>>a;
				    printf("%f",sinm(a));
				}