#ifndef CG_H #define CG_H #include #include "Ax.h" #include "utilities.h" void cg(double *l_x, int *flag, double *relres, int *iter, /* output */ double *l_r, double tol, int maxit, /* input */ double *l_p, double *l_q, int l_n, int l_N, int N, int id, int idleft, int idright, int np, MPI_Comm comm, double *gl, double *gr); #endif