org.nd4j.linalg.factory.DataTypeValidation Maven / Gradle / Ivy
The newest version!
/*
* ******************************************************************************
* *
* *
* * 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.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * 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.factory;
import lombok.val;
import org.nd4j.common.base.Preconditions;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
/**
* Data opType validation
*
* @author Adam Gibson
*/
public class DataTypeValidation {
public static void assertDouble(INDArray... d) {
for (INDArray d1 : d)
assertDouble(d1);
}
public static void assertFloat(INDArray... d2) {
for (INDArray d3 : d2)
assertFloat(d3);
}
public static void assertDouble(INDArray d) {
if (d.data().dataType() != DataType.DOUBLE)
throw new IllegalStateException("Given ndarray does not have data opType double");
}
public static void assertFloat(INDArray d2) {
if (d2.data().dataType() != DataType.FLOAT) {
throw new IllegalStateException("Given ndarray does not have data opType float");
}
}
public static void assertSameDataType(INDArray... indArrays) {
if (indArrays == null || indArrays.length < 2)
return;
DataType type = indArrays[0].data().dataType();
for (int i = 1; i < indArrays.length; i++) {
val t = indArrays[i].data().dataType();
Preconditions.checkState(t == type, "Data types must be same: got %s and %s", type, t);
}
}
}