// quantum computing emulation: test state types and functions
//
#include <iostream>
#include <type_traits>
#include <complex>
#include <cfloat>
#include "qce.h"

using namespace qce;
using namespace std;

#define Real double
//#define Complex Real
#define Complex complex<Real>
#define State state<Complex,Real>

int main( int argc, char *argv[])
{
  Real x = 1.5, y = Conj(x); cout << x << " " << y << endl;
  Complex c = Complex(1.5,2.5), d = Conj(c); cout << c << " " << d << endl;

  printb( 128+5, 8); cout << endl;

  // state q(4); q.init(1); cout << "q:" << q;
  // State<double> q(4); q.init(1);
#if 1
  State q(4); q.init(1); cout << "q:" << q;
#if 1
  q.qfft();
  cout << "fft:" << q;
  q.qfft(1);
  cout << "ifft:" << q;
#endif
#endif
  // state<complex<double>> q(4); q.init(1); cout << "q:" << q;
  // state<float,float> q(4); q.init(1); cout << "q:" << q;
  // state<complex<float>> q(4); q.init(1,1); cout << "q:" << q; // error
  // state<float> q(4); q.init(1); cout << "q:" << q;

  // q.a[1] = complex(state<>::s2,state<>::s2);

  for( unsigned int i = 0; i < q.n; ++i) q.H(i); 
  cout << "H(q):" << q;

  q.print( "E", PRINT_TANGLE);

  for( unsigned int i = 0; i < q.n; ++i) q.H(i); 
  cout << "HH(q):" << q;

  cout.precision(30);
  cout << state<>::pi << endl;
  cout << state<>::s2 << endl;
  cout << state<float,float>::onethird << endl;
  cout << state<>::onethird << endl;
  cout << state<long double,long double>::onethird << endl;

  cout << "q.eps = " << q.eps << endl;
  cout << "FLT_EPSILON = " << FLT_EPSILON << endl;
  cout << "DBL_EPSILON = " << DBL_EPSILON << endl;
  cout << "LDBL_EPSILON = " << LDBL_EPSILON << endl;

  cout << sizeof(complex<double>) << endl;

  cout << is_class<Complex>::value << endl;

  return 0;
}