ecclesia/dist/actors/disagreement.cjs

Framework for political and electoral simulations

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/actors/disagreement.ts
var disagreement_exports = {};
__export(disagreement_exports, {
  fromMaxDiff: () => fromMaxDiff,
  ponderedDiff: () => ponderedDiff,
  symmetricDiff: () => symmetricDiff
});
module.exports = __toCommonJS(disagreement_exports);
var import_python = require("@gouvernathor/python");
function symmetricDiff({ nOpinions, opinMax }) {
  return (a, b) => (0, import_python.sum)(a.map((oa, i) => Math.abs(oa - b[i]))) / (nOpinions * 2 * opinMax);
}
function ponderedDiff({ nOpinions, opinMax }) {
  return (a, b) => (0, import_python.sum)(a.map((oa, i) => Math.abs(oa - b[i]) * b[i])) / (nOpinions * 2 * opinMax ** 2);
}
function fromMaxDiff({ nOpinions, opinMax }) {
  return (a, b) => {
    let diffSum = 0;
    for (let i = 0; i < nOpinions; i++) {
      const ao = a[i];
      const bo = b[i];
      if (ao * bo < 0) {
        diffSum += Math.abs(ao * bo);
      } else if (Math.abs(ao) < Math.abs(bo)) {
        ;
      } else {
        diffSum += Math.abs(ao - bo);
      }
    }
    return diffSum / (nOpinions * opinMax ** 2);
  };
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  fromMaxDiff,
  ponderedDiff,
  symmetricDiff
});
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