extern "C" void InitDenColor(char *ID, double *Den, double *Phi, double das, double dbs, int Nx, int Ny, int Nz);
extern "C" void InitDenColorDistance(char *ID, double *Den, double *Phi, double *Distance,
								double das, double dbs, double beta, double xp, int Nx, int Ny, int Nz);
extern "C" void Compute_VELOCITY(char *ID, double *disteven, double *distodd, double *vel, int Nx, int Ny, int Nz);
extern "C" void ComputePressureD3Q19(char *ID, double *disteven, double *distodd, double *Pressure,
									int Nx, int Ny, int Nz);
extern "C" void PressureBC_inlet(double *disteven, double *distodd, double din,
								  int Nx, int Ny, int Nz);
extern "C" void PressureBC_outlet(double *disteven, double *distodd, double dout,
								   int Nx, int Ny, int Nz, int outlet);
extern "C" void ComputeColorGradient(char *ID, double *phi, double *ColorGrad, int Nx, int Ny, int Nz);
extern "C" void ColorCollide( char *ID, double *disteven, double *distodd, double *ColorGrad,
								double *Velocity, int Nx, int Ny, int Nz,double rlx_setA, double rlx_setB,
								double alpha, double beta, double Fx, double Fy, double Fz, bool pBC);
extern "C" void ColorCollideOpt( char *ID, double *disteven, double *distodd, double *phi, double *ColorGrad,
								double *Velocity, int Nx, int Ny, int Nz,double rlx_setA, double rlx_setB, 
								double alpha, double beta, double Fx, double Fy, double Fz);
extern "C" void DensityStreamD3Q7(char *ID, double *Den, double *Copy, double *Phi, double *ColorGrad, double *Velocity,
		double beta, int Nx, int Ny, int Nz, bool pBC);
//extern "C" void ComputePhi(char *ID, double *Phi, double *Copy, double *Den, int N);
// Added by J.E. McClure 2-12-2014
extern "C" void ComputePhi(char *ID, double *Phi, double *Den, int N);
extern "C" void MassColorCollideD3Q7(char *ID, double *A_even, double *A_odd, double *B_even, double *B_odd,
		double *Den, double *Phi, double *ColorGrad, double *Velocity, double beta, int N, bool pBC);
extern "C" void ColorBC_inlet(double *Phi, double *Den, double *A_even, double *A_odd,
								  double *B_even, double *B_odd, int Nx, int Ny, int Nz);
extern "C" void ColorBC_outlet(double *Phi, double *Den, double *A_even, double *A_odd,
								  double *B_even, double *B_odd, int Nx, int Ny, int Nz);