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Tensorics is a java framework which uses a tensor as a central object. A tensor represents a set of values placed in an N-dimensional space. Wherever you are tempted to use maps of maps, a tensor might be a good choice ;-) Tensorics provides methods to create, transform and performing calculations with those tensors.

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// @formatter:off
 /*******************************************************************************
 *
 * This file is part of tensorics.
 * 
 * Copyright (c) 2008-2011, CERN. All rights reserved.
 *
 * 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.
 * 
 ******************************************************************************/
// @formatter:on
package org.tensorics.core.tensor.operations;

import java.util.function.Function;
import java.util.function.Supplier;

import org.tensorics.core.tensor.Position;


public final class PositionFunctions {

    private PositionFunctions() {

    }

    public static final  Function constant(final V value) {
        return new Function() {

            @Override
            public V apply(Position position) {
                return value;
            }
        };
    }

    public static final  Function forSupplier(final Supplier supplier) {
        return new Function() {

            @Override
            public V apply(Position position) {
                return supplier.get();
            }
        };
    }
}