org.nd4j.linalg.compression.CompressionAlgorithm Maven / Gradle / Ivy
/*******************************************************************************
* 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.compression;
/**
* Compression algorithm enum
*
* @author Adam Gibson
*/
public enum CompressionAlgorithm {
FLOAT8, FLOAT16, GZIP, INT8, INT16, NOOP, UNIT8, CUSTOM;
/**
* Return the appropriate compression algorithm
* from the given string
* @param algorithm the algorithm to return
* @return the compression algorithm from the given string
* or an IllegalArgumentException if the algorithm is invalid
*/
public static CompressionAlgorithm fromString(String algorithm) {
switch (algorithm.toUpperCase()) {
case "FP16":
return FLOAT8;
case "FP32":
return FLOAT16;
case "FLOAT8":
return FLOAT8;
case "FLOAT16":
return FLOAT16;
case "GZIP":
return GZIP;
case "INT8":
return INT8;
case "INT16":
return INT16;
case "NOOP":
return NOOP;
case "UNIT8":
return UNIT8;
case "CUSTOM":
return CUSTOM;
default:
throw new IllegalArgumentException("Wrong algorithm " + algorithm);
}
}
}