//
//   Class definition for my own kongruent random generator
// C.Z. 2.11.99
//
class CMyRand {
  int old_val;
public:
  int     a,c,m;
  float   getrand(){
            old_val = (a*old_val + c)%m;
            return((float)old_val/(float)m);
          } // get a single random value
  void setseed(int seed){
        printf("\n*** Seed set to %d\n\n",(old_val=seed));
  }  // set a new random seed

  void setpara(int ia,int ic,int im){
        printf("Set values a=%d c=%d m=%d\n\n",a=ia,c=ic,m=im);
  } // set new values for random generator

  void getpara(int* oa, int* oc, int* om){*oa = a;*oc = c;*om = m;}
  CMyRand(){
        printf("\n\n*** Simple kongruent radom generator ***\n\n");
        printf("Values a=%d c=%d m=%d\n\n",a=11679,c=32431,m=64020);
        old_val=1;
  }  // constructor sets default values end prints them out 
  ~CMyRand();
};