Leading-one detector explained

A leading-one detector (LOD) is an electronic circuit commonly found in central processing units and especially their arithmetic logic units (ALUs). It is used to detect whether the leading bit in a computer word is 1 or 0,^[1] especially for floating point operations^[2] and binary logarithms.^[3]

Reference

1. Book: https://ieeexplore.ieee.org/document/1629364 . 2023-11-03 . 2006 . 10.1109/second.2006.1629364 . 44226174 . en-US . Abed . K.H. . Siferd . R.E. . Proceedings of the IEEE SoutheastCon 2006 . VLSI Implementations of Low-Power Leading-One Detector Circuits . 279–284 . 1-4244-0168-2 .
2. Leading one detectors and leading one position detectors - An evolutionary design methodology . 2023-11-03 . Canadian Journal of Electrical and Computer Engineering . 2013 . 10.1109/CJECE.2013.6704691 . 15819610 . en-US . Kunaraj . K. . Seshasayanan . R. . 36 . 3 . 103–110 .
3. Ansari . Mohammad Saeed . Gandhi . Shyama . Cockburn . Bruce F. . Han . Jie . 2021-07-01 . Fast and low-power leading-one detectors for energy-efficient logarithmic computing . IET Computers & Digital Techniques . en . 15 . 4 . 241–250 . 10.1049/cdt2.12019 . 231779697 . 1751-8601.