cyrilleponcelet
commented
7 years ago Note that in java 8, some support for unsigned long where added to the class java.lang.Long, so we can use long type to be treated as unsigned
Open cwardgar opened 7 years ago
cyrilleponcelet
commented
7 years ago Note that in java 8, some support for unsigned long where added to the class java.lang.Long, so we can use long type to be treated as unsigned
From LQO-782179.
The length of a dimension in the CDM is limited to a signed int (32 bits). Presumably, this is to match the dimension length limit in NetCDF-3, which is also a 32-bit int (although it is unsigned, not signed). This limit has been in place at least 10 years, and probably appeared in NetCDF-Java 1.0.
Since then, NetCDF-4 was released, which supports 64-bit unsigned integer dimension lengths. We ought to upgrade the CDM to use type
longfor dimension lengths, which is a 64-bit signed integer.