// newTensorFromC takes ownership of c and returns the owning Tensor.
func newTensorFromC(c *C.TF_Tensor) *Tensor {
var shape []int64
if ndims := int(C.TF_NumDims(c)); ndims > 0 {
shape = make([]int64, ndims)
}
for i := range shape {
shape[i] = int64(C.TF_Dim(c, C.int(i)))
}
t := &Tensor{c: c, shape: shape}
runtime.SetFinalizer(t, (*Tensor).finalize)
return t
}
// newTensorFromC converts from a C.TF_Tensor to a Tensor.
func newTensorFromC(ct *C.TF_Tensor) *Tensor {
t := &Tensor{dt: DataType(C.TF_TensorType(ct))}
numDims := int(C.TF_NumDims(ct))
for i := 0; i < numDims; i++ {
t.shape = append(t.shape, int64(C.TF_Dim(ct, C.int(i))))
}
b := make([]byte, int(C.TF_TensorByteSize(ct)))
if len(b) > 0 {
C.memcpy(unsafe.Pointer(&b[0]), C.TF_TensorData(ct), C.size_t(len(b)))
}
t.buf = bytes.NewBuffer(b)
return t
}