diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/random.js | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/lib/random.js b/lib/random.js index 70bcaf04..a4bc1858 100644 --- a/lib/random.js +++ b/lib/random.js @@ -6,16 +6,12 @@ var random = { number: function (options) { if (typeof options === "number") { - var options = { + options = { max: options }; } - options = options || { - min: 0, - max: 1, - precision: 1 - }; + options = options || {}; if (typeof options.min === "undefined") { options.min = 0; @@ -24,13 +20,19 @@ var random = { if (typeof options.max === "undefined") { options.max = 1; } - - // by incrementing max by 1, max becomes inclusive of the range - if (options.max > 0) { - options.max++; + if (typeof options.precision === "undefined") { + options.precision = 1; } - var randomNumber = mersenne.rand(options.max, options.min); + // Make the range inclusive of the max value + var max = options.max; + if (max > 0) { + max += options.precision; + } + + var randomNumber = options.precision * Math.floor( + mersenne.rand(max / options.precision, options.min / options.precision)); + return randomNumber; }, |