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mikelikesbikes/gist:737009

Created December 11, 2010 00:01
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gistfile1.js
function optimized_sin(x) {
while(x <= -2*Math.PI || x >= 2*Math.PI) {
if(x < 0) {
x += 2*Math.PI;
} else {
x -= 2*Math.PI;
}
}
return Math.sin(x);
}
optimized_sin(2*Math.PI) // => 0
optimized_sin(-2*Math.PI) // => 0
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