// template declarations for complex or real state amplitudes
// uses macros QTYPE, qtype, and State, defined in qce.h
//
// this is included twice by qce.h, once for QTYPE Complex and once for QTYPE Real
//
// R. Perry, Aug. 2019

// State_Complex or State_Real
//
typedef struct
{
  unsigned int n;  // number of bits
  unsigned long N; // number of states, N = 2**n
  qtype *a;	   // N amplitudes
}
State;

// functions: _Complex or _Real
//
State  _name_( Q, QTYPE)( unsigned int n);
void   _name_( zero, QTYPE)( State q);
void   _name_( init, QTYPE)( State q, unsigned long k
#ifdef QTYPE_COMPLEX
 , int rphase
#endif
);
void   _name_( swap, QTYPE)( State q, unsigned long i, unsigned long j);
State  _name_( product, QTYPE)( State r, State s);
double _name_( tangle, QTYPE)( State q, unsigned int k);
void   _name_( H, QTYPE)( State q, unsigned int k);
void   _name_( X, QTYPE)( State q, unsigned int k);
void   _name_( Z, QTYPE)( State q, unsigned int k);
void   _name_( CX, QTYPE)( State q, unsigned int c, unsigned int k);

unsigned long _name_( M, QTYPE)( State q);

State  _name_( reduce, QTYPE)( State q, unsigned int n, unsigned long m);
void   _name_( collapse, QTYPE)( State q, unsigned int k, unsigned int m);
void   _name_( operate, QTYPE)( State q, unsigned int n, Func f, unsigned long z);
void   _name_( print, QTYPE)( const char *msg, State q, int option);
double _name_( abs2, QTYPE)( qtype x);