Sha256: cdcdc4c73120c3067af93f66c4a39c92002b98c4129376647d2709c8c981ec8b
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Size: 1.59 KB
Versions: 13
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Stored size: 1.59 KB
Contents
/**
* Math.EPSILON = 0.00001
* This is a very small number, used for testing fuzzy equality with floats due to
* floating point imprecision.
**/
Math.EPSILON = Math.EPSILON || 0.00001;
/**
* Math
* Defines math-related helper functions.
**/
/**
* Math.radToDeg(rad) -> Number
* Helper to convert radians to degrees.
**/
Math.radToDeg = Math.radToDeg || function(rad) {
return rad * 180.0 / Math.PI;
};
/** alias of: Math.radToDeg
* Math.rad2deg(rad) -> Number
* Helper to convert radians to degrees.
**/
Math.rad2deg = Math.rad2deg || Math.radToDeg;
/**
* Math.degToRad(deg) -> Number
* Helper to convert degrees to radians.
**/
Math.degToRad = Math.degToRad || function(deg) {
return deg * Math.PI / 180.0;
};
/** alias of: Math.degToRad
* Math.deg2rad(deg) -> Number
* Helper to convert degrees to radians.
**/
Math.deg2rad = Math.deg2rad || Math.degToRad;
/**
* Math.equalish(a, b) -> Boolean
* Arguments can be either scalar or vector, but must be of the same type.
* Returns true if the arguments are "equal enough" after accounting for floating-point
* precision loss. Returns false otherwise.
*
* Also returns false if any element of either vector is undefined.
**/
Math.equalish = Math.equalish || function(a, b) {
if (!a.length && !b.length)
return Math.abs(a - b) <= Math.EPSILON;
if (a.length != b.length) return false;
for (var i = 0; i < a.length; i++)
if (a[i] == undefined || b[i] == undefined ||
isNaN(a[i]) != isNaN(b[i]) ||
isFinite(a[i]) != isFinite(b[i]) ||
Math.abs(a[i] - b[i]) > Math.EPSILON)
return false;
return true;
};
Version data entries
13 entries across 13 versions & 1 rubygems