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Issue 1177063002: Detect zero receiver of modInverse (may not converge and time out (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 6 months ago
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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.core; 5 part of dart.core;
6 6
7 /** 7 /**
8 * An arbitrarily large integer. 8 * An arbitrarily large integer.
9 * 9 *
10 * **Note:** When compiling to JavaScript, integers are 10 * **Note:** When compiling to JavaScript, integers are
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109 * The [exponent] must be non-negative and [modulus] must be 109 * The [exponent] must be non-negative and [modulus] must be
110 * positive. 110 * positive.
111 */ 111 */
112 int modPow(int exponent, int modulus); 112 int modPow(int exponent, int modulus);
113 113
114 /** 114 /**
115 * Returns the modular multiplicative inverse of this integer 115 * Returns the modular multiplicative inverse of this integer
116 * modulo [modulus]. 116 * modulo [modulus].
117 * 117 *
118 * The [modulus] must be positive. 118 * The [modulus] must be positive.
119 * Returns 0 if no modular inverse exists.
119 */ 120 */
120 int modInverse(int modulus); 121 int modInverse(int modulus);
121 122
122 /** Returns true if and only if this integer is even. */ 123 /** Returns true if and only if this integer is even. */
123 bool get isEven; 124 bool get isEven;
124 125
125 /** Returns true if and only if this integer is odd. */ 126 /** Returns true if and only if this integer is odd. */
126 bool get isOdd; 127 bool get isOdd;
127 128
128 /** 129 /**
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292 * var value = int.parse(text, onError: (source) => null); 293 * var value = int.parse(text, onError: (source) => null);
293 * if (value == null) ... handle the problem 294 * if (value == null) ... handle the problem
294 * 295 *
295 * The [onError] function is only invoked if [source] is a [String]. It is 296 * The [onError] function is only invoked if [source] is a [String]. It is
296 * not invoked if the [source] is, for example, `null`. 297 * not invoked if the [source] is, for example, `null`.
297 */ 298 */
298 external static int parse(String source, 299 external static int parse(String source,
299 { int radix, 300 { int radix,
300 int onError(String source) }); 301 int onError(String source) });
301 } 302 }
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