API change between 2.10.0 and 3.0.0

[petlist]

Hello Luc,

Thanks again for maintaining the great tool!

I have been using highfive v2.10.0 to record (large) arrays of scalars. They way I used to create extendable 1D datasets is this:

HighFive::DataSpace dataspace = HighFive::DataSpace({1, 0}, {1, HighFive::DataSpace::UNLIMITED});

I was able to effectively write data to the file and then load it using something like this:

std::vector<double> data = H5Easy::load<std::vector<double>>(fid, path);

After switching to a more recent version v3.0.0 the same line produces an exception:

Impossible to read DataSet of dimensions 2 into arrays of dimensions: 1(min) to 1(max).

Which is understandable in a way. Would you please recommend the correct way of creating / or loading 1D arrays in v3.0.0?

Thank you!

[1uc]

The way of doing it with core HighFive is:

fid.getDataSet(path).squeezeMemSpace({0}).read<std::vector<double>>();

There's an example here:
https://github.com/highfive-devs/highfive/blob/main/src/examples/broadcasting_arrays.cpp

and a long-winded explanation:
https://highfive-devs.github.io/highfive/md__2home_2runner_2work_2highfive_2highfive_2doc_2migration__guide.html

You can trick it with something like:

auto data = H5Easy::load<std::array<std::vector<double>, 1>>(fid, path)[0];

Edit: fixed the squeezeMemSpace.

[petlist]

Thanks a lot! I missed this migration guide somehow.

P.S. For the readers of this pose, the method in the Luc's example should rather be squeezeMemSpace as in the referred examples.