createFloat method

Pointer<OrtValue> createFloat(List<int> shape, Float32List data)

Implementation

Pointer<OrtValue> createFloat(List<int> shape, Float32List data) {
  _runtime.ensureInitialized();
  final api = _runtime.api.ref;
  final memInfo = createCpuMemoryInfo();
  final valuePtr = calloc<Pointer<OrtValue>>();
  final shapePtr = calloc<Int64>(shape.length);
  final dataPtr = calloc<Float>(data.length);

  try {
    for (var i = 0; i < shape.length; i++) {
      shapePtr[i] = shape[i];
    }
    for (var i = 0; i < data.length; i++) {
      dataPtr[i] = data[i];
    }

    final status = api.CreateTensorWithDataAsOrtValue
        .asFunction<
          Pointer<OrtStatus> Function(
            Pointer<OrtMemoryInfo>,
            Pointer<Void>,
            int,
            Pointer<Int64>,
            int,
            int,
            Pointer<Pointer<OrtValue>>,
          )
        >()(
          memInfo,
          dataPtr.cast(),
          data.length * sizeOf<Float>(),
          shapePtr,
          shape.length,
          ONNXTensorElementDataType.ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT.value,
          valuePtr,
        );
    _checkStatus(status);
    return valuePtr.value;
  } finally {
    releaseMemoryInfo(memInfo);
    calloc.free(valuePtr);
    calloc.free(shapePtr);
  }
}