Palf Class |
Represents a Parallel Additive Lagged Fibonacci pseudo-random number generator.
Inheritance HierarchyNamespace: Altaxo.Calc.Random
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
SyntaxC#
[SerializableAttribute] public class Palf : RandomSource
The Palf type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | Palf | Initializes a new instance of the Palf class using a seed based on time and unique GUIDs. |
| Palf(Boolean) | Initializes a new instance of the Palf class using a seed based on time and unique GUIDs. |
| Palf(Int32) | Initializes a new instance of the Palf class. |
| Palf(Int32, Boolean) | Initializes a new instance of the Palf class. |
| Palf(Int32, Boolean, Int32, Int32) | Initializes a new instance of the Palf class. |
Properties| Name | Description | |
|---|---|---|
 | LongLag | Gets the long lag of the Lagged Fibonacci pseudo-random number generator. |
| ShortLag | Gets the short lag of the Lagged Fibonacci pseudo-random number generator. |
Methods| Name | Description | |
|---|---|---|
 | DoSample |
Returns a random double-precision floating point number greater than or equal to 0.0, and less than 1.0.
(Overrides RandomSourceDoSample) |
| DoSampleBytes |
Fills the elements of a specified array of bytes with random numbers in full range, including zero and 255 (MaxValue).
(Inherited from RandomSource) |
| DoSampleInt32WithNBits |
Returns a random N-bit signed integer greater than or equal to zero and less than 2^N.
N (bit count) is expected to be greater than zero and less than 32 (not verified).
(Inherited from RandomSource) |
| DoSampleInt64WithNBits |
Returns a random N-bit signed long integer greater than or equal to zero and less than 2^N.
N (bit count) is expected to be greater than zero and less than 64 (not verified).
(Inherited from RandomSource) |
| DoSampleInteger |
Returns a random 32-bit signed integer greater than or equal to zero and less than MaxValue (Overrides RandomSourceDoSampleInteger) |
| DoSampleInteger(Int32) |
Returns a random 32-bit signed integer within the specified range.
(Inherited from RandomSource) |
| DoSampleInteger(Int32, Int32) |
Returns a random 32-bit signed integer within the specified range.
(Inherited from RandomSource) |
 | Doubles(Double, Int32) | Fills an array with random numbers greater than or equal to 0.0 and less than 1.0. |
| Doubles(Int32, Int32) | Returns an array of random numbers greater than or equal to 0.0 and less than 1.0. |
| DoubleSequence | Returns an infinite sequence of random numbers greater than or equal to 0.0 and less than 1.0. |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object) |
| GetHashCode | Serves as the default hash function. (Inherited from Object) |
| GetType | Gets the Type of the current instance. (Inherited from Object) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object) |
| Next |
Returns a random 32-bit signed integer greater than or equal to zero and less than MaxValue.
(Inherited from RandomSource) |
| Next(Int32) |
Returns a random number less then a specified maximum.
(Inherited from RandomSource) |
| Next(Int32, Int32) |
Returns a random number within a specified range.
(Inherited from RandomSource) |
| NextBytes |
Fills the elements of a specified array of bytes with random numbers.
(Inherited from RandomSource) |
| NextDouble | Returns a random floating-point number that is greater than or equal to 0.0, and less than 1.0. (Inherited from Random) |
| NextDoubles(Double) |
Fills an array with uniform random numbers greater than or equal to 0.0 and less than 1.0.
(Inherited from RandomSource) |
| NextDoubles(Int32) |
Returns an array of uniform random numbers greater than or equal to 0.0 and less than 1.0.
(Inherited from RandomSource) |
| NextDoubleSequence |
Returns an infinite sequence of uniform random numbers greater than or equal to 0.0 and less than 1.0.
(Inherited from RandomSource) |
| NextInt32s(Int32) |
Returns an array with random 32-bit signed integers greater than or equal to zero and less than MaxValue.
(Inherited from RandomSource) |
| NextInt32s(Int32) |
Fills an array with random 32-bit signed integers greater than or equal to zero and less than MaxValue.
(Inherited from RandomSource) |
| NextInt32s(Int32, Int32) |
Returns an array with random 32-bit signed integers within the specified range.
(Inherited from RandomSource) |
| NextInt32s(Int32, Int32) |
Fills an array with random numbers within a specified range.
(Inherited from RandomSource) |
| NextInt32s(Int32, Int32, Int32) |
Returns an array with random 32-bit signed integers within the specified range.
(Inherited from RandomSource) |
| NextInt32s(Int32, Int32, Int32) |
Fills an array with random numbers within a specified range.
(Inherited from RandomSource) |
| NextInt32Sequence |
Returns an infinite sequence of random 32-bit signed integers greater than or equal to zero and less than MaxValue.
(Inherited from RandomSource) |
| NextInt32Sequence(Int32, Int32) |
Returns an infinite sequence of random numbers within a specified range.
(Inherited from RandomSource) |
| Sample |
Returns a random number between 0.0 and 1.0.
(Inherited from RandomSource) |
| ToString | Returns a string that represents the current object. (Inherited from Object) |
Extension Methods| Name | Description | |
|---|---|---|
 | NextBigIntegerSequence |
Returns an infinite sequence of uniform random BigInteger within the specified range.
(Defined by RandomExtensions) |
| NextBoolean |
Returns a random boolean.
(Defined by RandomExtensions) |
| NextBytes |
Returns an array of uniform random bytes.
(Defined by RandomExtensions) |
| NextDecimal |
Returns a nonnegative decimal floating point random number less than 1.0.
(Defined by RandomExtensions) |
| NextDoubles |
Fills an array with uniform random numbers greater than or equal to 0.0 and less than 1.0.
(Defined by RandomExtensions) |
| NextDoubles |
Returns an array of uniform random numbers greater than or equal to 0.0 and less than 1.0.
(Defined by RandomExtensions) |
| NextDoubleSequence |
Returns an infinite sequence of uniform random numbers greater than or equal to 0.0 and less than 1.0.
(Defined by RandomExtensions) |
| NextFullRangeInt32 |
Returns a random number of the full Int32 range.
(Defined by RandomExtensions) |
| NextFullRangeInt64 |
Returns a random number of the full Int64 range.
(Defined by RandomExtensions) |
| NextInt32s |
Fills an array with uniform random 32-bit signed integers greater than or equal to zero and less than MaxValue.
(Defined by RandomExtensions) |
| NextInt32s |
Fills an array with uniform random 32-bit signed integers within the specified range.
(Defined by RandomExtensions) |
| NextInt32Sequence |
Returns an infinite sequence of uniform random 32-bit signed integers within the specified range.
(Defined by RandomExtensions) |
| NextInt64 |
Returns a nonnegative random number less than MaxValue.
(Defined by RandomExtensions) |
Remarks
The Palf type bases upon the implementation in the
Boost Random Number Library.
It uses the modulus 232 and by default the "lags" 418 and 1279. Some popular pairs are presented on
Wikipedia - Lagged Fibonacci generator.
See Also