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C\C++ Notes

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int func(x)
{
    int countx = 0;
    while(x)
    {
          countx ++;
          x = x&(x-1);
    ......

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       Ëã·¨ÓïÑÔ¾ ......

SVD·Ö½âCʵÏÖ

int svd(int m,int n,int withu,int withv,double eps,double tol,
double *a, double *q, double *u, double *v, double *vt)
{

int i,j,k,l,l1,iter,retval;
double c,f,g,h,s,x,y,z;
double *e;

e = (double *)calloc(n,sizeof(double));

retval = 0;
/* Cop ......

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