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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 part of dart.math; | 5 // A part of the dart:math library. |
6 | 6 |
7 /** | 7 /** |
8 * Base of the natural logarithms. | 8 * Base of the natural logarithms. |
9 * | 9 * |
10 * Typically written as "e". | 10 * Typically written as "e". |
11 */ | 11 */ |
12 const double E = 2.718281828459045; | 12 const double E = 2.718281828459045; |
13 | 13 |
14 /** | 14 /** |
15 * Natural logarithm of 10. | 15 * Natural logarithm of 10. |
(...skipping 202 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
218 * Returns NaN if [x] is NaN. | 218 * Returns NaN if [x] is NaN. |
219 */ | 219 */ |
220 external double exp(num x); | 220 external double exp(num x); |
221 | 221 |
222 /** | 222 /** |
223 * Converts [x] to a double and returns the natural logarithm of the value. | 223 * Converts [x] to a double and returns the natural logarithm of the value. |
224 * Returns negative infinity if [x] is equal to zero. | 224 * Returns negative infinity if [x] is equal to zero. |
225 * Returns NaN if [x] is NaN or less than zero. | 225 * Returns NaN if [x] is NaN or less than zero. |
226 */ | 226 */ |
227 external double log(num x); | 227 external double log(num x); |
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