SparseKernelExpander.this

Parameters

dim_out ulong

total dimensionality of the input data

cross_feats_str string

a string of the form 1^3,2^4^1 specifying which groups need to be crossed. The commas delimit the groups, the carets delimit the group ids present in the monomial

max_group_id uint

maximum group id present in the data, 1-indexed

buff_single_feats_sz uint

upper bound of the maximum number of features per row post expansion

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