(function(JSUS) {
function RANDOM(){}; |
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¶ RANDOM.randomGenerates a pseudo-random floating point number between (a,b), both a and b exclusive. Params
a
number
The lower limit
b
number
The upper limit
Returns
number
A random floating point number in (a,b)
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RANDOM.random = function(a, b) {
a = ('undefined' === typeof a) ? 0 : a;
b = ('undefined' === typeof b) ? 0 : b;
if (a === b) return a;
if (b < a) {
var c = a;
a = b;
b = c;
}
return (Math.random() * (b - a)) + a
}; |
¶ RANDOM.randomIntGenerates a pseudo-random integer between (a,b] a exclusive, b inclusive. Params
a
number
The lower limit
b
number
The upper limit
Returns
number
A random integer in (a,b]
See
RANDOM.random
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RANDOM.randomInt = function(a, b) {
if (a === b) return a;
return Math.floor(RANDOM.random(a, b) + 1);
};
RANDOM.sample = function(a, b) {
var out;
out = JSUS.seq(a,b)
if (!out) return false;
return JSUS.shuffle(out);
}
JSUS.extend(RANDOM);
})('undefined' !== typeof JSUS ? JSUS : module.parent.exports.JSUS);
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