Function loadLabels

mnist-node/data.js:99–120

(filename)

}

async function loadLabels(filename) {
  const buffer = await fetchOnceAndSaveToDiskWithBuffer(filename);

  const headerBytes = LABEL_HEADER_BYTES;
  const recordBytes = LABEL_RECORD_BYTE;

  const headerValues = loadHeaderValues(buffer, headerBytes);
  assert.equal(headerValues[0], LABEL_HEADER_MAGIC_NUM);

  const labels = [];
  let index = headerBytes;
  while (index < buffer.byteLength) {
    const array = new Int32Array(recordBytes);
    for (let i = 0; i < recordBytes; i++) {
      array[i] = buffer.readUInt8(index++);
    }
    labels.push(array);
  }

  assert.equal(labels.length, headerValues[1]);
  return labels;
}

/** Helper class to handle loading training and test data. */
class MnistDataset {