def __init__(self, data=None, shape=None):
if data is None: data = []
if shape is None: shape = []
if isinstance(data, cndarray):
self.data = data
self.size = data.get_size()
self.dims = data.get_dims()
self.shape = data.get_shape()
else:
if isinstance(data, float):
self.data = cndarray([data], [])
elif isinstance(data, int):
self.data = cndarray([data], [])
elif isinstance(data, list):
if shape is None: shape = [len(data)]
self.data = cndarray(list(data), list(shape))
elif isinstance(data, tuple):
if shape is None: shape = [len(data)]
self.data = cndarray(list(data), list(shape))
else:
raise Exception("cannot convert to ndarray")
self.shape = shape
self.dims = len(shape)
self.size = self.data.get_size()
def __isub__(self, other):
if not isinstance(other, ndarray):
other = ndarray(cndarray([other], []))
return ndarray(self.data.__sub__(other.data))
def __rtruediv__(self, other):
if not isinstance(other, ndarray):
other = ndarray(cndarray([other], []))
return ndarray(other.data.__truediv__(self.data))