content: /*
   * Copyright (C) 2019 The Android Open Source Project
   *
   * 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.
   */
  package androidx.constraintLayout.desktop.ui.timeline.graph;
  
  /**
   * Base class for interpolator
   */
  public abstract class Interpolator {
  
    public static final int SPLINE = 0;
    public static final int LINEAR = 1;
  
    public static Interpolator get(int type, double[] time, double[][] y) {
      if (type == SPLINE) {
        return new MonotoneSpline(time, y);
      }
      return new LinearInterpolator(time, y);
    }
  
    public abstract void getPos(double t, double[] v);
  
    public abstract void getPos(double t, float[] v);
  
    public abstract double getPos(double t, int j);
  
    public abstract void getSlope(double t, double[] v);
  
    public abstract double getSlope(double t, int j);
  
    public abstract double[] getTimePoints();
  }
  