go: Ability to import a pre-defined Graph.

With this change, it should be possible to execute
a pre-defined Graph created by any means (like a
training session in a Python program) in Go.

One more step towards #10
Change: 134096795

1 files changed, 35 insertions, 0 deletions

diff --git a/tensorflow/go/util_test.go b/tensorflow/go/util_test.go
new file mode 100644
index 0000000000..2b13df008a
--- /dev/null
+++ b/tensorflow/go/util_test.go
@@ -0,0 +1,35 @@
+// Copyright 2016 The TensorFlow Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tensorflow
+
+func Placeholder(g *Graph, name string, dt DataType) (Output, error) {
+	b := newOpBuilder(g, "Placeholder", name)
+	b.SetAttrType("dtype", dt)
+	op, err := b.Build()
+	if err != nil {
+		return Output{}, err
+	}
+	return Output{op, 0}, nil
+}
+
+func Neg(g *Graph, name string, port Output) (Output, error) {
+	b := newOpBuilder(g, "Neg", name)
+	b.AddInput(port)
+	op, err := b.Build()
+	if err != nil {
+		return Output{}, err
+	}
+	return Output{op, 0}, nil
+}