[Repo Assist] feat: add integrate to LinearSpline, Step, and CubicSpline#375

annacwe merged 6 commits into

developerfslaborg/FSharp.Stats:developerfrom

repo-assist/improve-interpolation-integrate-20260413-a4be8a75855ed951fslaborg/FSharp.Stats:repo-assist/improve-interpolation-integrate-20260413-a4be8a75855ed951Copy head branch name to clipboard