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EagerTensor.cs
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76 lines (67 loc) · 2.75 KB
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using NumSharp;
using System;
using System.Collections.Generic;
using System.Text;
using static Tensorflow.Binding;
namespace Tensorflow.Eager
{
public partial class EagerTensor : Tensor
{
Status status = new Status();
TFE_TensorHandle tfe_tensor_handle;
public IntPtr EagerTensorHandle { get; set; }
public override string Device => c_api.StringPiece(c_api.TFE_TensorHandleDeviceName(tfe_tensor_handle, status));
public EagerTensor(IntPtr handle) : base(handle)
{
EagerTensorHandle = handle;
tfe_tensor_handle = c_api.EagerTensor_Handle(handle);
_handle = c_api.TFE_TensorHandleResolve(tfe_tensor_handle, status);
}
public EagerTensor(TFE_TensorHandle handle) : base(handle)
{
tfe_tensor_handle = handle;
_handle = c_api.TFE_TensorHandleResolve(tfe_tensor_handle, status);
EagerTensorHandle = c_api.TFE_EagerTensorFromHandle(tf.context, tfe_tensor_handle);
}
public EagerTensor(string value, string device_name) : base(value)
{
tfe_tensor_handle = c_api.TFE_NewTensorHandle(_handle, status);
EagerTensorHandle = c_api.TFE_EagerTensorFromHandle(tf.context, tfe_tensor_handle);
}
public EagerTensor(NDArray value, string device_name) : base(value)
{
tfe_tensor_handle = c_api.TFE_NewTensorHandle(_handle, status);
EagerTensorHandle = c_api.TFE_EagerTensorFromHandle(tf.context, tfe_tensor_handle);
}
public IntPtr GetTfeTensorHandle()
=> tfe_tensor_handle;
public override string ToString()
{
switch (rank)
{
case -1:
return $"tf.Tensor: shape=<unknown>, dtype={dtype.as_numpy_name()}, numpy={GetFormattedString(dtype, numpy())}";
case 0:
return $"tf.Tensor: shape=(), dtype={dtype.as_numpy_name()}, numpy={GetFormattedString(dtype, numpy())}";
default:
return $"tf.Tensor: shape=({string.Join(",", shape)}), dtype={dtype.as_numpy_name()}, numpy={GetFormattedString(dtype, numpy())}";
}
}
public static string GetFormattedString(TF_DataType dtype, NDArray nd)
{
if (nd.size == 0)
return "[]";
switch (dtype)
{
case TF_DataType.TF_STRING:
return $"b'{(string)nd}'";
case TF_DataType.TF_BOOL:
return (nd.GetByte(0) > 0).ToString();
case TF_DataType.TF_RESOURCE:
return "<unprintable>";
default:
return nd.ToString();
}
}
}
}