diff options
Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/math/interpolator/linear1.js')
-rw-r--r-- | contexts/data/lib/closure-library/closure/goog/math/interpolator/linear1.js | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/math/interpolator/linear1.js b/contexts/data/lib/closure-library/closure/goog/math/interpolator/linear1.js deleted file mode 100644 index 2740cbc..0000000 --- a/contexts/data/lib/closure-library/closure/goog/math/interpolator/linear1.js +++ /dev/null @@ -1,82 +0,0 @@ -// 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 A one dimensional linear interpolator. - * - */ - -goog.provide('goog.math.interpolator.Linear1'); - -goog.require('goog.array'); -goog.require('goog.math'); -goog.require('goog.math.interpolator.Interpolator1'); - - - -/** - * A one dimensional linear interpolator. - * @implements {goog.math.interpolator.Interpolator1} - * @constructor - */ -goog.math.interpolator.Linear1 = function() { - /** - * The abscissa of the data points. - * @type {!Array.<number>} - * @private - */ - this.x_ = []; - - /** - * The ordinate of the data points. - * @type {!Array.<number>} - * @private - */ - this.y_ = []; -}; - - -/** @override */ -goog.math.interpolator.Linear1.prototype.setData = function(x, y) { - goog.asserts.assert(x.length == y.length, - 'input arrays to setData should have the same length'); - if (x.length == 1) { - this.x_ = [x[0], x[0] + 1]; - this.y_ = [y[0], y[0]]; - } else { - this.x_ = x.slice(); - this.y_ = y.slice(); - } -}; - - -/** @override */ -goog.math.interpolator.Linear1.prototype.interpolate = function(x) { - var pos = goog.array.binarySearch(this.x_, x); - if (pos < 0) { - pos = -pos - 2; - } - pos = goog.math.clamp(pos, 0, this.x_.length - 2); - - var progress = (x - this.x_[pos]) / (this.x_[pos + 1] - this.x_[pos]); - return goog.math.lerp(this.y_[pos], this.y_[pos + 1], progress); -}; - - -/** @override */ -goog.math.interpolator.Linear1.prototype.getInverse = function() { - var interpolator = new goog.math.interpolator.Linear1(); - interpolator.setData(this.y_, this.x_); - return interpolator; -}; |