Function IsPyFloat

tensorflow/python/lib/core/py_seq_tensor.cc:63–66

}

bool IsPyFloat(PyObject* obj) {
  return PyFloat_Check(obj) ||
         PyIsInstance(obj, &PyFloatingArrType_Type);  // NumPy float types
}

// If the input is a zero dimensional PyArray return it converted to a scalar.
// Otherwise return the input and increment its reference count.