public bool Equals(fp2x4 rhs)
 {
     return(c0.Equals(rhs.c0) && c1.Equals(rhs.c1) && c2.Equals(rhs.c2) && c3.Equals(rhs.c3));
 }
 public bool Equals(fp2x2 rhs)
 {
     return(c0.Equals(rhs.c0) && c1.Equals(rhs.c1));
 }