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