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@stsoftware/neat-ai@0.121.0
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stSoftwareAU/NEAT-AI

NEAT Neural Network. This project is a unique implementation of a neural network based on the NEAT (NeuroEvolution of Augmenting Topologies) algorithm, written in DenoJS using TypeScript.

This package works with Deno
This package works with Deno
JSR Score
94%
Published
5 months ago (0.121.0)
Package root>test>reconstruct>ConnectMissing.ts
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import { assert, assertNotEquals } from "jsr:@std/assert@^1.0.8";
import { Creature, CreatureUtil } from "../../mod.ts";
import { randomConnectMissing } from "../../src/reconstruct/ConnectMissing.ts";
import type { SynapseExport } from "../../src/architecture/SynapseInterfaces.ts";

Deno.test("ConnectMissing", () => {
  const creature = new Creature(10, 3);
  const uuid1 = CreatureUtil.makeUUID(creature);
  assert(uuid1);
  const exported = creature.exportJSON();

  exported.input = 20;
  const creature2 = Creature.fromJSON(exported);
  const uuid2 = CreatureUtil.makeUUID(creature2);
  const creature3 = randomConnectMissing(creature2);
  const uuid3 = CreatureUtil.makeUUID(creature3);

  assertNotEquals(uuid2, uuid3);
  delete creature2.uuid;
  const uuid2b = CreatureUtil.makeUUID(creature2);
  assert(uuid2b === uuid2);
  const exported3 = creature3.exportJSON();
  console.log(exported3);

  assert(exported3.input === 20);
  const inputMissing = new Set<number>();
  for (let i = 0; i < exported3.input; i++) {
    inputMissing.add(i);
  }
  exported3.synapses.forEach((synapse: SynapseExport) => {
    if (synapse.fromUUID.startsWith("input")) {
      inputMissing.delete(parseInt(synapse.fromUUID.split("-")[1]));
    }
  });

  assert(
    inputMissing.size === 0,
    `Not all inputs are connected to the brain. ${inputMissing.size} missing inputs: ${
      Array.from(inputMissing).join(",")
    }`,
  );
});

Deno.test("ConnectMissing-All-present", () => {
  const creature = new Creature(10, 3);
  const uuid1 = CreatureUtil.makeUUID(creature);
  assert(uuid1);

  const creature2 = randomConnectMissing(creature);
  const uuid2 = CreatureUtil.makeUUID(creature2);

  assert(uuid1 === uuid2);
});