Rémi Lafage

Hi @mariaelenavalencia! You should not have exactly the same error on Windows as above as it is triggered by `xcrun` which is specific to MacOS install (see the last lines)....

FWIW, I would like to mention here that [external solvers](https://github.com/argmin-rs/argmin#external-solvers-compatible-with-argmin) handle constraints. In both case, cost function returns a vector: the first component is the actual cost value, the remaining...

No, there is no native support for parallel computing or GPU.