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node_modules/d3-random/build/d3-random.js

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+// https://d3js.org/d3-random/ Version 1.1.0. Copyright 2017 Mike Bostock.
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+	typeof define === 'function' && define.amd ? define(['exports'], factory) :
+	(factory((global.d3 = global.d3 || {})));
+}(this, (function (exports) { 'use strict';
+
+var defaultSource = function() {
+  return Math.random();
+};
+
+var uniform = ((function sourceRandomUniform(source) {
+  function randomUniform(min, max) {
+    min = min == null ? 0 : +min;
+    max = max == null ? 1 : +max;
+    if (arguments.length === 1) max = min, min = 0;
+    else max -= min;
+    return function() {
+      return source() * max + min;
+    };
+  }
+
+  randomUniform.source = sourceRandomUniform;
+
+  return randomUniform;
+}))(defaultSource);
+
+var normal = ((function sourceRandomNormal(source) {
+  function randomNormal(mu, sigma) {
+    var x, r;
+    mu = mu == null ? 0 : +mu;
+    sigma = sigma == null ? 1 : +sigma;
+    return function() {
+      var y;
+
+      // If available, use the second previously-generated uniform random.
+      if (x != null) y = x, x = null;
+
+      // Otherwise, generate a new x and y.
+      else do {
+        x = source() * 2 - 1;
+        y = source() * 2 - 1;
+        r = x * x + y * y;
+      } while (!r || r > 1);
+
+      return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r);
+    };
+  }
+
+  randomNormal.source = sourceRandomNormal;
+
+  return randomNormal;
+}))(defaultSource);
+
+var logNormal = ((function sourceRandomLogNormal(source) {
+  function randomLogNormal() {
+    var randomNormal = normal.source(source).apply(this, arguments);
+    return function() {
+      return Math.exp(randomNormal());
+    };
+  }
+
+  randomLogNormal.source = sourceRandomLogNormal;
+
+  return randomLogNormal;
+}))(defaultSource);
+
+var irwinHall = ((function sourceRandomIrwinHall(source) {
+  function randomIrwinHall(n) {
+    return function() {
+      for (var sum = 0, i = 0; i < n; ++i) sum += source();
+      return sum;
+    };
+  }
+
+  randomIrwinHall.source = sourceRandomIrwinHall;
+
+  return randomIrwinHall;
+}))(defaultSource);
+
+var bates = ((function sourceRandomBates(source) {
+  function randomBates(n) {
+    var randomIrwinHall = irwinHall.source(source)(n);
+    return function() {
+      return randomIrwinHall() / n;
+    };
+  }
+
+  randomBates.source = sourceRandomBates;
+
+  return randomBates;
+}))(defaultSource);
+
+var exponential = ((function sourceRandomExponential(source) {
+  function randomExponential(lambda) {
+    return function() {
+      return -Math.log(1 - source()) / lambda;
+    };
+  }
+
+  randomExponential.source = sourceRandomExponential;
+
+  return randomExponential;
+}))(defaultSource);
+
+exports.randomUniform = uniform;
+exports.randomNormal = normal;
+exports.randomLogNormal = logNormal;
+exports.randomBates = bates;
+exports.randomIrwinHall = irwinHall;
+exports.randomExponential = exponential;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));