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Side by Side Diff: packages/charted/lib/core/utils/math.dart

Issue 1400473008: Roll Observatory packages and add a roll script (Closed) Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master
Patch Set: Created 5 years, 2 months ago
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1 // 1 //
2 // Copyright 2014 Google Inc. All rights reserved. 2 // Copyright 2014 Google Inc. All rights reserved.
3 // 3 //
4 // Use of this source code is governed by a BSD-style 4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file or at 5 // license that can be found in the LICENSE file or at
6 // https://developers.google.com/open-source/licenses/bsd 6 // https://developers.google.com/open-source/licenses/bsd
7 // 7 //
8 8
9 part of charted.core.utils; 9 part of charted.core.utils;
10 10
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39 num sinh(num x) => ((x = math.exp(x)) - 1 / x) / 2; 39 num sinh(num x) => ((x = math.exp(x)) - 1 / x) / 2;
40 40
41 /// Hyperbolic tangent. 41 /// Hyperbolic tangent.
42 num tanh(num x) => ((x = math.exp(2 * x)) - 1) / (x + 1); 42 num tanh(num x) => ((x = math.exp(2 * x)) - 1) / (x + 1);
43 43
44 /// Converts [degrees] to radians. 44 /// Converts [degrees] to radians.
45 num toRadians(num degrees) => degrees * math.PI / 180.0; 45 num toRadians(num degrees) => degrees * math.PI / 180.0;
46 46
47 /// Converts [radians] to degrees. 47 /// Converts [radians] to degrees.
48 num toDegrees(num radians) => radians * 180.0 / math.PI; 48 num toDegrees(num radians) => radians * 180.0 / math.PI;
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