com.intel.analytics.bigdl.nn.tf.Assert.scala Maven / Gradle / Ivy
/*
* Copyright 2016 The BigDL Authors.
*
* 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 com.intel.analytics.bigdl.nn.tf
import com.google.protobuf.ByteString
import com.intel.analytics.bigdl.nn.abstractnn.Activity
import com.intel.analytics.bigdl.nn.ops.Operation
import com.intel.analytics.bigdl.tensor.Tensor
import com.intel.analytics.bigdl.tensor.TensorNumericMath.TensorNumeric
import com.intel.analytics.bigdl.utils.Table
import scala.reflect.ClassTag
/**
* Assert will assert the first input to be true, if not, throw the message in the second
* input. Assert has no output.
*/
private[bigdl] class Assert[T: ClassTag]()
(implicit ev: TensorNumeric[T]) extends Operation[Table, Activity, T] {
override def updateOutput(input: Table): Tensor[T] = {
val predicateTensor = input(1).asInstanceOf[Tensor[Boolean]]
val messageTensor = input(2).asInstanceOf[Tensor[ByteString]]
val predicate = predicateTensor.value()
val message = messageTensor.value()
assert(predicate, message.toStringUtf8)
null
}
}