文件名称：快速求平方根(英文)
文件大小：148KB
文件格式：PDF
更新时间：2011-09-24 05:46:37
快速求平方根
Abstract. Computing reciprocal square roots is necessary in many applications, such as vector normalization in video games. Often, some loss of precision is acceptable for a large increase in speed. This note examines and improves a fast method found in source- code for several online libraries, and provides the ideas to derive similar methods for other functions.1