``complex.C''

 

/* Include standard C++ complex library */
/* And, make short-hand "Complex" for complex<double> */
#include <complex.h>
typedef complex<double> Complex;

/* C-style I/O functions */
#include <stdio.h>

main()
{
  Complex z1,z2;

  z1=Complex(0.,2.);
  z2=z1*Complex(1.,2.);
  // z2=cmult(z1,Complex(1.,2.));
  printf("(%f,%f)\n",z2);
}