On Fri, May 27, 2005 at 12:26:13AM +0200, Gabriel Dos Reis wrote: > If it was and angle! Not everything that is an argument to sin or cos > is an angle. They are just functions! Suppose you're evaluating an > approximation of a Fourrier series expansion.
If you're evaluating it at the floating point value 2^90 you're just evaluating a fancy prng. Floating point values represent intervals, and when the interval size is way bigger than 2pi any value in [-1,1] is a perfectably acceptable answer for sin or cos. OG.
