Softsign LUT optimization
Created by: nemerchiedde
Storing only the positive part of the Softsign is possible due to its symmetry in the axe x. Same theory when presented in pull request: https://github.com/fastmachinelearning/hls4ml/pull/527
Created by: nemerchiedde
Storing only the positive part of the Softsign is possible due to its symmetry in the axe x. Same theory when presented in pull request: https://github.com/fastmachinelearning/hls4ml/pull/527