GridCreation.java
/* Copyright 2013-2022 CS GROUP
* Licensed to CS GROUP (CS) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS licenses this file to You 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.
*/
package org.orekit.rugged.utils;
/** Utility class for grids creation.
* @author Guylaine Prat
* @since 2.1
*/
public final class GridCreation {
/** Private constructor for utility class.
* Suppress default constructor for non instantiability ...
*/
private GridCreation() {
super();
}
/** Create a linear grid between min and max value for a number n of points.
* TBN: no checks are performed here. Must be done by the calling method.
* @param min value for grid[0]
* @param max value for grid[n-1]
* @param n number of points
* @return the linear grid
*/
public static double[] createLinearGrid(final double min, final double max, final int n) {
final double[] grid = new double[n];
for (int i = 0; i < n; ++i) {
grid[i] = ((n - 1 - i) * min + i * max) / (n - 1);
}
return grid;
}
}