com.intel.analytics.bigdl.nn.ops.Pow.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.ops
import com.intel.analytics.bigdl.tensor.Tensor
import com.intel.analytics.bigdl.tensor.TensorNumericMath.{NumericWildCard, TensorNumeric}
import com.intel.analytics.bigdl.utils.Table
import scala.reflect.ClassTag
class Pow[T: ClassTag]()
(implicit ev: TensorNumeric[T]) extends Operation[Table, Tensor[_], T]{
override def updateOutput(input: Table): Tensor[_] = {
val v = input[Tensor[NumericWildCard]](2).value()
val t = input[Tensor[NumericWildCard]](1)
if (output.getType() != t.getType()) {
output = t.emptyInstance()
}
output.resizeAs(t)
output.asInstanceOf[Tensor[NumericWildCard]].pow(t, v)
}
}
object Pow {
def apply[T: ClassTag]()(implicit ev: TensorNumeric[T]): Pow[T] = new Pow[T]()
}