652415daaf
Get rid of temporary unified directory version. Move back into lib/math where it should be. Rename patch files from the for math.dartp to the form math_patch.dart. They are just dart files and I don't like the new dartp extension. R=ajohnsen@google.com,lrn@google.com BUG= Review URL: https://chromiumcodereview.appspot.com//10831324 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@10709 260f80e4-7a28-3924-810f-c04153c831b5
41 lines
1.3 KiB
Dart
41 lines
1.3 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
// A part of the dart:math library.
|
|
|
|
/**
|
|
* A random number generator. The default implementation supplies a stream of
|
|
* pseudo-random bits which is not suitable for cryptographic purposes.
|
|
*/
|
|
class Random {
|
|
/**
|
|
* Creates a random-number generator. The optional parameter [seed] is used
|
|
* to initialize the internal state of the generator. The implementation of
|
|
* the random stream can change between releases of the library.
|
|
*
|
|
* Implementation note: The default implementation uses up to 64-bits of seed.
|
|
*/
|
|
external factory Random([int seed]);
|
|
|
|
/**
|
|
* Generates a positive random integer uniformly distributed on the range
|
|
* from 0, inclusive, to [max], exclusive.
|
|
*
|
|
* Implementation note: The default implementation supports [max] values
|
|
* between 1 and ((1<<32) - 1) inclusive.
|
|
*/
|
|
abstract int nextInt(int max);
|
|
|
|
/**
|
|
* Generates a positive random floating point value uniformly distributed on
|
|
* the range from 0.0, inclusive, to 1.0, exclusive.
|
|
*/
|
|
abstract double nextDouble();
|
|
|
|
/**
|
|
* Generates a random boolean value.
|
|
*/
|
|
abstract bool nextBool();
|
|
}
|