z_cg.c File Reference

Functions
void	z_cg (int n, void(*matvec)(int, const doublecomplex[], doublecomplex[]), void(*psolve)(int, const doublecomplex[], doublecomplex[]), void(*chkconv)(int, const doublecomplex[], double, int, int *), const doublecomplex b[], doublecomplex x[], int maxiter, int *iter, double *res, int lwork, doublecomplex work[], int *info)
	Solution of linear system Ax = b using conjugate gradient (CG) method (Hermitian positive definite matrices)