case PDL_B: retval = PDL.bvals.Byte; break;
	case PDL_S: retval = PDL.bvals.Short; break;
	case PDL_US: retval = PDL.bvals.Ushort; break;
	case PDL_L: retval = PDL.bvals.Long; break;
	case PDL_IND: retval = PDL.bvals.Indx; break;
	case PDL_LL: retval = PDL.bvals.LongLong; break;
	case PDL_F: retval = PDL.bvals.Float; break;
	case PDL_D: retval = PDL.bvals.Double; break;