Inside Macintosh: PowerPC Numerics / Part 2 - The PowerPC Numerics C ImplementationChapter 10 - Transcendental Functions
Exponential Functions MathLib provides six exponential functions: exp(x) The base e or natural exponential ex . exp2(x) The base 2 exponential 2x . expm1(x) The base e exponential minus 1. ldexp(x,n) Returns x×2n (equivalent to scalb). pow(x,y) Returns xy . scalb(x,n) Returns x×2n .