event 723 solution

blobs/0x763953cf5569a677bae939dc9c3a181c254cc4c6e32e002bd7bd65c35586a29f

@@ -0,0 +1,56 @@
+diff --git a/diarize.mjs b/diarize.mjs
+index 622b5267a17a6e3142931024ae45611ecb21b712..2aa9fbed605578f38dfd92864c955decdcf526b7 100644
+--- a/diarize.mjs
++++ b/diarize.mjs
+@@ -25,7 +25,7 @@ export async function loadDiarizer(TF, { device = 'wasm' } = {}) {
+   return { seg, segP, emb, embP };
+ }
+ 
+-const cos = (a, b) => { let dt = 0, na = 0, nb = 0; for (let i = 0; i < a.length; i++) { dt += a[i]*b[i]; na += a[i]*a[i]; nb += b[i]*b[i]; } return dt / (Math.sqrt(na)*Math.sqrt(nb) || 1); };
++const cos = (a, b) => { if (a.length !== b.length) throw new Error('cosine: vectors must have the same length'); let dt = 0, na = 0, nb = 0; for (let i = 0; i < a.length; i++) { dt += a[i]*b[i]; na += a[i]*a[i]; nb += b[i]*b[i]; } return dt / (Math.sqrt(na)*Math.sqrt(nb) || 1); };
+ const rms = (a) => { let s = 0; for (const v of a) s += v*v; return Math.sqrt(s/a.length); };
+ 
+ async function embed(D, slice) {
+diff --git a/tests/acceptance/2/CRITERIA.json b/tests/acceptance/2/CRITERIA.json
+new file mode 100644
+index 0000000000000000000000000000000000000000..549b0d2922786bef700cc17577b03902c42310e6
+--- /dev/null
++++ b/tests/acceptance/2/CRITERIA.json
+@@ -0,0 +1,18 @@
++{
++  "schema": "elffuss-t2t/criteria@2",
++  "issue": 2,
++  "criteria": [
++    {
++      "index": 1,
++      "tests": [
++        "tests/acceptance/2/criteria.test.js::criterion 1"
++      ]
++    },
++    {
++      "index": 2,
++      "tests": [
++        "tests/acceptance/2/criteria.test.js::criterion 2"
++      ]
++    }
++  ]
++}
+diff --git a/tests/acceptance/2/criteria.test.js b/tests/acceptance/2/criteria.test.js
+new file mode 100644
+index 0000000000000000000000000000000000000000..f2a1b8aadf5fc7307ae731cec197a973b09c3651
+--- /dev/null
++++ b/tests/acceptance/2/criteria.test.js
+@@ -0,0 +1,13 @@
++import test from 'node:test';
++import assert from 'node:assert/strict';
++const mod = await import('../../../diarize.mjs');
++
++test('criterion 1', () => {
++  assert.throws(() => mod.cosine([1, 2, 3], [1, 2]), (err) => err instanceof Error && err.message.startsWith('cosine:'));
++  assert.equal(mod.cosine([1, 0], [1, 0]), 1);
++});
++
++test('criterion 2', () => {
++  assert.throws(() => mod.cosine([1, 0], [1, 0, 5]), (err) => err instanceof Error && err.message.startsWith('cosine:'));
++  assert.equal(mod.cosine([0, 0], [0, 0]), 0);
++});

events/0000000723.json

@@ -0,0 +1 @@
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