| // Copyright 2012 The Closure Library Authors. 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. |
| |
| /** |
| * @fileoverview The base interface for one-dimensional data interpolation. |
| * |
| */ |
| |
| goog.provide('goog.math.interpolator.Interpolator1'); |
| |
| |
| |
| /** |
| * An interface for one dimensional data interpolation. |
| * @interface |
| */ |
| goog.math.interpolator.Interpolator1 = function() { |
| }; |
| |
| |
| /** |
| * Sets the data to be interpolated. Note that the data points are expected |
| * to be sorted according to their abscissa values and not have duplicate |
| * values. E.g. calling setData([0, 0, 1], [1, 1, 3]) may give undefined |
| * results, the correct call should be setData([0, 1], [1, 3]). |
| * Calling setData multiple times does not merge the data samples. The last |
| * call to setData is the one used when computing the interpolation. |
| * @param {!Array<number>} x The abscissa of the data points. |
| * @param {!Array<number>} y The ordinate of the data points. |
| */ |
| goog.math.interpolator.Interpolator1.prototype.setData; |
| |
| |
| /** |
| * Computes the interpolated value at abscissa x. If x is outside the range |
| * of the data points passed in setData, the value is extrapolated. |
| * @param {number} x The abscissa to sample at. |
| * @return {number} The interpolated value at abscissa x. |
| */ |
| goog.math.interpolator.Interpolator1.prototype.interpolate; |
| |
| |
| /** |
| * Computes the inverse interpolator. That is, it returns invInterp s.t. |
| * this.interpolate(invInterp.interpolate(t))) = t. Note that the inverse |
| * interpolator is only well defined if the data being interpolated is |
| * 'invertible', i.e. it represents a bijective function. |
| * In addition, the returned interpolator is only guaranteed to give the exact |
| * inverse at the input data passed in getData. |
| * If 'this' has no data, the returned Interpolator will be empty as well. |
| * @return {!goog.math.interpolator.Interpolator1} The inverse interpolator. |
| */ |
| goog.math.interpolator.Interpolator1.prototype.getInverse; |