So in aoRecord.c you're proposing to change all:
> prec->udf = isnan(prec->val);
to
> prec->udf |= isnan(prec->val);
?
So in aoRecord.c you're proposing to change all:
> prec->udf = isnan(prec->val);
to
> prec->udf |= isnan(prec->val);
?