N°5621 Move C3 0.4.11 to NPM

node_modules/d3/src/geo/cartesian.js

@@ -0,0 +1,47 @@
+// TODO
+// cross and scale return new vectors,
+// whereas add and normalize operate in-place
+
+function d3_geo_cartesian(spherical) {
+  var λ = spherical[0],
+      φ = spherical[1],
+      cosφ = Math.cos(φ);
+  return [
+    cosφ * Math.cos(λ),
+    cosφ * Math.sin(λ),
+    Math.sin(φ)
+  ];
+}
+
+function d3_geo_cartesianDot(a, b) {
+  return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+}
+
+function d3_geo_cartesianCross(a, b) {
+  return [
+    a[1] * b[2] - a[2] * b[1],
+    a[2] * b[0] - a[0] * b[2],
+    a[0] * b[1] - a[1] * b[0]
+  ];
+}
+
+function d3_geo_cartesianAdd(a, b) {
+  a[0] += b[0];
+  a[1] += b[1];
+  a[2] += b[2];
+}
+
+function d3_geo_cartesianScale(vector, k) {
+  return [
+    vector[0] * k,
+    vector[1] * k,
+    vector[2] * k
+  ];
+}
+
+function d3_geo_cartesianNormalize(d) {
+  var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+  d[0] /= l;
+  d[1] /= l;
+  d[2] /= l;
+}