src/vptree_sequential.c
// A utility function to swap two elements
A utility function to swap two elements
A utility function to swap two elements
void swap(double *a, double *b){
    double t = *a;
    *a = *b;
    *b = t;
}
void swap ( double * a , double * b ) { double t = * a ; * a = * b ; * b = t ; }
A utility function to swap two elements
A utility function to swap two elements