aiparking_api/node_modules/random/dist/distributions/pareto.js
2020-02-02 15:24:30 +07:00

23 lines
604 B
JavaScript

'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _owLite = require('ow-lite');
var _owLite2 = _interopRequireDefault(_owLite);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.default = function (random) {
var alpha = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
(0, _owLite2.default)(alpha, _owLite2.default.number.gte(0));
var invAlpha = 1.0 / alpha;
return function () {
return 1.0 / Math.pow(1.0 - random.next(), invAlpha);
};
};
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