DA methods to perform barycentric mapping when input is close enough rather than exactly equal to source
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kachayev commented
๐ Feature
Some DA transports provide a barycentric mapping "shortcut" when performing transformation of the input that is equal to the original set of source samples used for fitting. See BaseTransport
(here) and MappingTransport
(here) as examples.
The proposal is to use allclose
instead of array_equal
. In fact, it's already done this way for JCPOTTransport.
Motivation
Equality is a rather strong when working with floats. It seems like checking if two arrays are element-wise equal within a tolerance fits the use case. We could also make tolerance into optional parameter for the corresponding transport constructor.