Add: convert-tensors into src/bin

Author: cpcdoy

src/bin/convert-tensor.rs

@@ -0,0 +1,29 @@
+// Copyright 2019-present, Laurent Mazare.
+// Copyright 2019-present Guillaume Becquin
+// 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.
+
+use failure::ensure;
+
+pub fn main() -> failure::Fallible<()> {
+    let args: Vec<_> = std::env::args().collect();
+    ensure!(
+        args.len() == 3,
+        "usage: {} source.npz destination.ot",
+        args[0]
+    );
+
+    let source_file = &args[1];
+    let destination_file = &args[2];
+    let tensors = tch::Tensor::read_npz(source_file)?;
+    tch::Tensor::save_multi(&tensors, destination_file)?;
+
+    Ok(())
+}