N°5621 Move C3 0.4.11 to NPM

node_modules/d3/src/math/abs.js

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+var abs = Math.abs;

node_modules/d3/src/math/adder.js

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+// Adds floating point numbers with twice the normal precision.
+// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and
+// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3)
+// 305–363 (1997).
+// Code adapted from GeographicLib by Charles F. F. Karney,
+// http://geographiclib.sourceforge.net/
+// See lib/geographiclib/LICENSE for details.
+
+function d3_adder() {}
+
+d3_adder.prototype = {
+  s: 0, // rounded value
+  t: 0, // exact error
+  add: function(y) {
+    d3_adderSum(y, this.t, d3_adderTemp);
+    d3_adderSum(d3_adderTemp.s, this.s, this);
+    if (this.s) this.t += d3_adderTemp.t;
+    else this.s = d3_adderTemp.t;
+  },
+  reset: function() {
+    this.s = this.t = 0;
+  },
+  valueOf: function() {
+    return this.s;
+  }
+};
+
+var d3_adderTemp = new d3_adder;
+
+function d3_adderSum(a, b, o) {
+  var x = o.s = a + b, // a + b
+      bv = x - a, av = x - bv; // b_virtual & a_virtual
+  o.t = (a - av) + (b - bv); // a_roundoff + b_roundoff
+}

node_modules/d3/src/math/index.js

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+import "random";
+import "transform";

node_modules/d3/src/math/number.js

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+function d3_number(x) {
+  return x === null ? NaN : +x;
+}
+
+function d3_numeric(x) {
+  return !isNaN(x);
+}

node_modules/d3/src/math/random.js

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+d3.random = {
+  normal: function(µ, σ) {
+    var n = arguments.length;
+    if (n < 2) σ = 1;
+    if (n < 1) µ = 0;
+    return function() {
+      var x, y, r;
+      do {
+        x = Math.random() * 2 - 1;
+        y = Math.random() * 2 - 1;
+        r = x * x + y * y;
+      } while (!r || r > 1);
+      return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+    };
+  },
+  logNormal: function() {
+    var random = d3.random.normal.apply(d3, arguments);
+    return function() {
+      return Math.exp(random());
+    };
+  },
+  bates: function(m) {
+    var random = d3.random.irwinHall(m);
+    return function() {
+      return random() / m;
+    };
+  },
+  irwinHall: function(m) {
+    return function() {
+      for (var s = 0, j = 0; j < m; j++) s += Math.random();
+      return s;
+    };
+  }
+};

node_modules/d3/src/math/transform.js

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+import "../core/document";
+import "../core/ns";
+
+d3.transform = function(string) {
+  var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
+  return (d3.transform = function(string) {
+    if (string != null) {
+      g.setAttribute("transform", string);
+      var t = g.transform.baseVal.consolidate();
+    }
+    return new d3_transform(t ? t.matrix : d3_transformIdentity);
+  })(string);
+};
+
+// Compute x-scale and normalize the first row.
+// Compute shear and make second row orthogonal to first.
+// Compute y-scale and normalize the second row.
+// Finally, compute the rotation.
+function d3_transform(m) {
+  var r0 = [m.a, m.b],
+      r1 = [m.c, m.d],
+      kx = d3_transformNormalize(r0),
+      kz = d3_transformDot(r0, r1),
+      ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
+  if (r0[0] * r1[1] < r1[0] * r0[1]) {
+    r0[0] *= -1;
+    r0[1] *= -1;
+    kx *= -1;
+    kz *= -1;
+  }
+  this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
+  this.translate = [m.e, m.f];
+  this.scale = [kx, ky];
+  this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
+};
+
+d3_transform.prototype.toString = function() {
+  return "translate(" + this.translate
+      + ")rotate(" + this.rotate
+      + ")skewX(" + this.skew
+      + ")scale(" + this.scale
+      + ")";
+};
+
+function d3_transformDot(a, b) {
+  return a[0] * b[0] + a[1] * b[1];
+}
+
+function d3_transformNormalize(a) {
+  var k = Math.sqrt(d3_transformDot(a, a));
+  if (k) {
+    a[0] /= k;
+    a[1] /= k;
+  }
+  return k;
+}
+
+function d3_transformCombine(a, b, k) {
+  a[0] += k * b[0];
+  a[1] += k * b[1];
+  return a;
+}
+
+var d3_transformIdentity = {a: 1, b: 0, c: 0, d: 1, e: 0, f: 0};

node_modules/d3/src/math/trigonometry.js

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+var ε = 1e-6,
+    ε2 = ε * ε,
+    π = Math.PI,
+    τ = 2 * π,
+    τε = τ - ε,
+    halfπ = π / 2,
+    d3_radians = π / 180,
+    d3_degrees = 180 / π;
+
+function d3_sgn(x) {
+  return x > 0 ? 1 : x < 0 ? -1 : 0;
+}
+
+// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of
+// the 3D cross product in a quadrant I Cartesian coordinate system (+x is
+// right, +y is up). Returns a positive value if ABC is counter-clockwise,
+// negative if clockwise, and zero if the points are collinear.
+function d3_cross2d(a, b, c) {
+  return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
+}
+
+function d3_acos(x) {
+  return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
+}
+
+function d3_asin(x) {
+  return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
+}
+
+function d3_sinh(x) {
+  return ((x = Math.exp(x)) - 1 / x) / 2;
+}
+
+function d3_cosh(x) {
+  return ((x = Math.exp(x)) + 1 / x) / 2;
+}
+
+function d3_tanh(x) {
+  return ((x = Math.exp(2 * x)) - 1) / (x + 1);
+}
+
+function d3_haversin(x) {
+  return (x = Math.sin(x / 2)) * x;
+}