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void sort(double *x, int n) {	int i, j, minIndx, minVal;	for (i = 0; i < (n-1); i++) {		minVal	= i;		minIndx	= x[i];		for (j = i + 1; j < (n) ; j++) {			if (minIndx > x[j]) {				minVal	= j;				minIndx	= x[j];			}		}		int temp = x[i] ;		x[i]	 = x[minVal];		x[minVal]= temp;	}}