 	string        fileMat;
 	string        fileRhs;
 	string        fileSol;
+	string		  fileMatList;
 
 	spike::SolverType    krylov;
 	spike::SolverMethod  factorization;


		case OPT_MATFILE:
			pb.fileMat = args.OptionArg();

			break;

		case OPT_RHSFILE:

	{ OPT_KRYLOV,        "--krylov-method",      SO_REQ_CMB },
	{ OPT_SAFE_FACT,     "--safe-fact",          SO_NONE    },
	{ OPT_CONST_BAND,    "--const-band",         SO_NONE    },
	{ OPT_VERBOSE,       "-v",                   SO_NONE    },
	{ OPT_VERBOSE,       "--verbose",            SO_NONE    },
    { OPT_HELP,          "-?",                   SO_NONE    },
