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Quincey Koziol <koziol@xxxxxxxxxxxxx> writes: >> 1 - Why is H5Tenum_create not used? > > It certainly could have been, there's no particular advantage one way or > the other (currently). In the future, if we allow enums to have non-integer > base types (like an enum of floating-point values, with PI, E, etc. defined), > we'll encourage more people to use H5Tcreate_enum(). I have tested, and, as you say, either function works. I will use H5Tenum_create(). (That's what you meant right? There's not *another* function called H5Tcreate_enum, is there? ;-) > >> 2 - In the above case, how does HDF5 choose the underlying integer >> type? Obviously it will be a short, but signed or unsigned? Big, >> little, or native endian? Or does it not matter? > > If you use H5Tcreate(), it uses the smallest "native" [signed] integer > that > will hold the number of bytes passed in for the size. Since I am going to use H5Tcreate_enum I will be explicitly providing the type, so I don't have to worry about signed and unsigned confusion. Thanks! Ed -- Ed Hartnett -- ed@xxxxxxxxxxxxxxxx