1 files changed, 52 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/geometry/Point.java b/src/main/java/org/apache/commons/math3/geometry/Point.java
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+++ b/src/main/java/org/apache/commons/math3/geometry/Point.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.apache.commons.math3.geometry;
+
+import java.io.Serializable;
+
+/**
+ * This interface represents a generic geometrical point.
+ *
+ * @param <S> Type of the space.
+ * @see Space
+ * @see Vector
+ * @since 3.3
+ */
+public interface Point<S extends Space> extends Serializable {
+
+    /**
+     * Get the space to which the point belongs.
+     *
+     * @return containing space
+     */
+    Space getSpace();
+
+    /**
+     * Returns true if any coordinate of this point is NaN; false otherwise
+     *
+     * @return true if any coordinate of this point is NaN; false otherwise
+     */
+    boolean isNaN();
+
+    /**
+     * Compute the distance between the instance and another point.
+     *
+     * @param p second point
+     * @return the distance between the instance and p
+     */
+    double distance(Point<S> p);
+}