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Issue 2771723003: [tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)
Patch Set: rebase Created 3 years, 9 months ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <!-- 2 <!--
3 Copyright (c) 2014 The Chromium Authors. All rights reserved. 3 Copyright (c) 2014 The Chromium Authors. All rights reserved.
4 Use of this source code is governed by a BSD-style license that can be 4 Use of this source code is governed by a BSD-style license that can be
5 found in the LICENSE file. 5 found in the LICENSE file.
6 --> 6 -->
7 7
8 <link rel="import" href="/tracing/base/base.html"> 8 <link rel="import" href="/tracing/base/base.html">
9 <link rel="import" href="/tracing/base/iteration_helpers.html"> 9 <link rel="import" href="/tracing/base/iteration_helpers.html">
10 <link rel="import" href="/tracing/base/math.html"> 10 <link rel="import" href="/tracing/base/math/math.html">
11 11
12 <script> 12 <script>
13 'use strict'; 13 'use strict';
14 14
15 /** 15 /**
16 * @fileoverview Quick range computations. 16 * @fileoverview Quick range computations.
17 */ 17 */
18 tr.exportTo('tr.b', function() { 18 tr.exportTo('tr.b.math', function() {
19 function Range() { 19 function Range() {
20 this.isEmpty_ = true; 20 this.isEmpty_ = true;
21 this.min_ = undefined; 21 this.min_ = undefined;
22 this.max_ = undefined; 22 this.max_ = undefined;
23 } 23 }
24 24
25 Range.prototype = { 25 Range.prototype = {
26 __proto__: Object.prototype, 26 __proto__: Object.prototype,
27 27
28 reset: function() { 28 reset: function() {
(...skipping 66 matching lines...) Expand 10 before | Expand all | Expand 10 after
95 * Get a new Range spanning the powers (of opt_base || 10) that enclose 95 * Get a new Range spanning the powers (of opt_base || 10) that enclose
96 * |this| Range. 96 * |this| Range.
97 * If |this| is empty, returns a new empty Range. 97 * If |this| is empty, returns a new empty Range.
98 * 98 *
99 * @param {number=} opt_base Defaults to 10. 99 * @param {number=} opt_base Defaults to 10.
100 * @return {!Range} 100 * @return {!Range}
101 */ 101 */
102 enclosingPowers(opt_base) { 102 enclosingPowers(opt_base) {
103 if (this.isEmpty) return new Range(); 103 if (this.isEmpty) return new Range();
104 return Range.fromExplicitRange( 104 return Range.fromExplicitRange(
105 tr.b.lesserPower(this.min_, opt_base), 105 tr.b.math.lesserPower(this.min_, opt_base),
106 tr.b.greaterPower(this.max_, opt_base)); 106 tr.b.math.greaterPower(this.max_, opt_base));
107 }, 107 },
108 108
109 normalize: function(x) { 109 normalize: function(x) {
110 return tr.b.normalize(x, this.min, this.max); 110 return tr.b.math.normalize(x, this.min, this.max);
111 }, 111 },
112 112
113 lerp: function(x) { 113 lerp: function(x) {
114 return tr.b.lerp(x, this.min, this.max); 114 return tr.b.math.lerp(x, this.min, this.max);
115 }, 115 },
116 116
117 clamp: function(x) { 117 clamp: function(x) {
118 return tr.b.clamp(x, this.min, this.max); 118 return tr.b.math.clamp(x, this.min, this.max);
119 }, 119 },
120 120
121 equals: function(that) { 121 equals: function(that) {
122 if (this.isEmpty && that.isEmpty) 122 if (this.isEmpty && that.isEmpty)
123 return true; 123 return true;
124 if (this.isEmpty !== that.isEmpty) 124 if (this.isEmpty !== that.isEmpty)
125 return false; 125 return false;
126 return (tr.b.approximately(this.min, that.min) && 126 return (tr.b.math.approximately(this.min, that.min) &&
127 tr.b.approximately(this.max, that.max)); 127 tr.b.math.approximately(this.max, that.max));
128 }, 128 },
129 129
130 containsExplicitRangeInclusive: function(min, max) { 130 containsExplicitRangeInclusive: function(min, max) {
131 if (this.isEmpty) 131 if (this.isEmpty)
132 return false; 132 return false;
133 return this.min_ <= min && max <= this.max_; 133 return this.min_ <= min && max <= this.max_;
134 }, 134 },
135 135
136 containsExplicitRangeExclusive: function(min, max) { 136 containsExplicitRangeExclusive: function(min, max) {
137 if (this.isEmpty) 137 if (this.isEmpty)
(...skipping 147 matching lines...) Expand 10 before | Expand all | Expand 10 after
285 }; 285 };
286 286
287 Range.PERCENT_RANGE = Range.fromExplicitRange(0, 1); 287 Range.PERCENT_RANGE = Range.fromExplicitRange(0, 1);
288 Object.freeze(Range.PERCENT_RANGE); 288 Object.freeze(Range.PERCENT_RANGE);
289 289
290 return { 290 return {
291 Range, 291 Range,
292 }; 292 };
293 }); 293 });
294 </script> 294 </script>
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