2026-04-10 (v0.1.3)

• fix the issue related to vnu.

2025-12-29 (v0.1.2)

• add ppsfs.fit.R.

2025-07-04 (v0.1.1)

• drop CXX_STD = CXX11.

2022-03-19 (v0.1.0)

• Initial release.

• The function cxx_inter_pps is somehow improved compared to that in original paper.