deeplearning4j/deeplearning4j

/*
 *  ******************************************************************************
 *  *
 *  *
 *  * 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
 *  *****************************************************************************
 */

class TSUtils {

    //Get the maximum value
    static max(input: number[][]): number {
        var max: number = -Number.MAX_VALUE;
        for (var i = 0; i < input.length; i++) {
            for( var j=0; j<input[i].length; j++ ){
                max = Math.max(max,input[i][j]);
            }
        }
        return max;
    }

    //Get the minimum value
    static min(input: number[][]): number {
        var min: number = Number.MAX_VALUE;
        for (var i = 0; i < input.length; i++) {
            for( var j=0; j<input[i].length; j++ ){
                min = Math.min(min,input[i][j]);
            }
        }
        return min;
    }

    //Normalize the length unit (for example, parse the LengthUnit enum values)
    static normalizeLengthUnit(input: string): string{
        if(input == null) return input;

        switch(input.toLowerCase()){
            case "px":
                return "px";
            case "percent":
            case "%":
                return "%";
            case "cm":
                return "cm";
            case "mm":
                return "mm";
            case "in":
                return "in";
            default:
                return input;
        }

    }
}