add hidden neuron state

1 files changed, 39 insertions, 0 deletions

diff --git a/src/mind/topology.test.js b/src/mind/topology.test.js
index e1c5f87..7612c3d 100644
--- a/src/mind/topology.test.js
+++ b/src/mind/topology.test.js
@@ -137,3 +137,42 @@ test('multiple input network', () => {
 		[],
 	]);
 });
+
+
+test('multiple outputs', () => {
+	const n = network(4, 0, 2)
+		.connect(0, 4, -1)
+		.connect(1, 4, 1)
+		.connect(2, 5, -1)
+		.connect(3, 5, 1);
+	
+	expect(n.compute([1,2,3,5], [])).toEqual([
+		[ Math.tanh(2-1), Math.tanh(5-3) ],
+		[],
+	]);
+});
+
+
+test('hidden neurons', () => {
+	const n = network(4, 2, 1)
+		.connect(0, 4, -1)
+		.connect(1, 4, 1)
+		.connect(2, 5, -1)
+		.connect(3, 5, 1)
+		.connect(4, 6, -1)
+		.connect(5, 6, 1);
+
+	expect(n.compute([1,2,3,5], [ 0, 0 ])).toEqual([
+		[ Math.tanh( Math.tanh(5-3) - Math.tanh(2-1) ) ],
+		[ Math.tanh(2-1), Math.tanh(5-3) ],
+	]);
+});
+
+
+//test('arbitrary hidden neurons', () => {
+//	const n = network(1, 2, 1)
+//		.connect(0, 1, 1)
+//		.connect(1, 2, -1)
+//		.connect(2, 3, 2)
+//		.connect(3, 4, -2);
+//});