org.nd4j.linalg.indexing.conditions.EpsilonEquals Maven / Gradle / Ivy
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* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.indexing.conditions;
import org.nd4j.linalg.factory.Nd4j;
/**
* Created by agibsonccc on 10/8/14.
*/
public class EpsilonEquals extends BaseCondition {
private double eps = Nd4j.EPS_THRESHOLD;
/**
* Special constructor for pairwise boolean operations.
*/
public EpsilonEquals() {
this(0.0);
}
public EpsilonEquals(Number value) {
this(value, Nd4j.EPS_THRESHOLD);
}
public EpsilonEquals(Number value, Number eps) {
super(value);
this.eps = eps.doubleValue();
}
@Override
public double epsThreshold() {
return this.eps;
}
/**
* Returns condition ID for native side
*
* @return
*/
@Override
public int condtionNum() {
return 0;
}
@Override
public Boolean apply(Number input) {
return Math.abs(input.floatValue() - value.floatValue()) < Nd4j.EPS_THRESHOLD;
}
}