random.h

一个通过皇后算法构造稀疏矩阵的c++代码 矩阵以数组形式存储

#ifndef RANDOM
#define RANDOM

#include <stdlib.h>
#include <iostream.h>

class Random{
 private:

  unsigned long int seed;  //previously LONG INT
  unsigned long int seed_u;
  
 public:

  Random(void) {
    (*this).seed=987654321u;
    (*this).seed_u=123456789lu;
  }
  ~Random(void){;}
  void bubbleSort(int a[], int size);
  double gauss(double sdev, double mean);
  double uniform(double a, double b);
  int uniform(int  a, int b); // [a, b)
  int nonUniform(int  a, int b);

}; 

#endif