var TWO_PI = Math.PI * 2;
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// SPI is slightly greater than Math.PI, so values that exceed the -180..180
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// degree range by a tiny amount don't get wrapped. This prevents points that
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// have drifted from their original location along the 180th meridian (due to
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// floating point error) from changing their sign.
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var SPI = 3.14159265359;
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var sign = require('./sign');
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module.exports = function(x) {
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return (Math.abs(x) <= SPI) ? x : (x - (sign(x) * TWO_PI));
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};
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