Definitions of sqrt, sin, cos, pow etc. in cmath

Question

Are there any definitions of functions like sqrt(), sin(), cos(), tan(), log(), exp() (these fr

Answer 1

Definitely take a look at the fdlibm sources. They're nice because the fdlibm library is self-contained, each function is well-documented with detailed explanations of the mathematics involved, and the code is immensely clear to read.