Brunobkr/llama.cpp_AlgMor24_github

1import constant from "./constant.js";2 3export default function(y) {4  var strength = constant(0.1),5      nodes,6      strengths,7      yz;8 9  if (typeof y !== "function") y = constant(y == null ? 0 : +y);10 11  function force(alpha) {12    for (var i = 0, n = nodes.length, node; i < n; ++i) {13      node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha;14    }15  }16 17  function initialize() {18    if (!nodes) return;19    var i, n = nodes.length;20    strengths = new Array(n);21    yz = new Array(n);22    for (i = 0; i < n; ++i) {23      strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes);24    }25  }26 27  force.initialize = function(_) {28    nodes = _;29    initialize();30  };31 32  force.strength = function(_) {33    return arguments.length ? (strength = typeof _ === "function" ? _ : constant(+_), initialize(), force) : strength;34  };35 36  force.y = function(_) {37    return arguments.length ? (y = typeof _ === "function" ? _ : constant(+_), initialize(), force) : y;38  };39 40  return force;41}42