IGLib 1.4
The IGLib base library for development of numerical, technical and business applications.
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Generator of uniformly distributed random numbers. Based on system random generator. WARNING: Instance members are not guaranteed to be thread safe! More...
Public Member Functions | |
RandomGeneratorSystem () | |
Initializes a new instance of random generator, using a time-dependent default seed value. | |
RandomGeneratorSystem (int seed) | |
Initializes a new instance of random generator, using the specified seed value. | |
override double | NextDouble () |
A double-precision floating point number greater than or equal to 0.0, and LESS THAN 1.0. | |
virtual double | NextDouble (double maxValue) |
A double-precision floating point number greater than or equal to 0.0, and LESS than the specified maximum. | |
virtual double | NextDouble (double minValue, double maxValue) |
A double-precision floating point number greater than or equal to the specified minimum, and LESS THAN the specified maximum. | |
virtual double | NextDoubleInclusive () |
A double-precision floating point number greater than or equal to 0.0, and LESS OR EQUAL than 1.0. | |
virtual double | NextDoubleInclusive (double maxValue) |
A double-precision floating point number greater than or equal to 0.0, and LESS OR EQUAL than the specified maximum. | |
virtual double | NextDoubleInclusive (double minValue, double maxValue) |
A double-precision floating point number greater than or equal to the specified minimum, and LESS OR EQUAL than the specified maximum. | |
override int | Next () |
Returns a nonnegative random number. | |
override int | Next (int maxValue) |
Returns a nonnegative random number LESS THAN the specified maximum. | |
override int | Next (int minValue, int maxValue) |
Returns a random number within a specified range (lower bound inclusive, UPPER BOUND EXCLUSIVE). | |
virtual int | NextInclusive (int maxValue) |
Returns a nonnegative random number LESS OR EQUAL the specified maximum. | |
virtual int | NextInclusive (int minValue, int maxValue) |
Returns a random number within a specified range (lower bound inclusive, upper bound INCLUSIVE). | |
override void | NextBytes (byte[] buffer) |
Fills the elements of a specified array of bytes with random numbers. |
Generator of uniformly distributed random numbers. Based on system random generator. WARNING: Instance members are not guaranteed to be thread safe!
IG::Num::RandomGeneratorSystem::RandomGeneratorSystem | ( | ) | [inline] |
Initializes a new instance of random generator, using a time-dependent default seed value.
IG::Num::RandomGeneratorSystem::RandomGeneratorSystem | ( | int | seed | ) | [inline] |
Initializes a new instance of random generator, using the specified seed value.
seed | A number used to calculate a starting value for the pseudo-random number sequence. If a negative number is specified, the absolute value of the number is used. |
override double IG::Num::RandomGeneratorSystem::NextDouble | ( | ) | [inline] |
A double-precision floating point number greater than or equal to 0.0, and LESS THAN 1.0.
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
virtual double IG::Num::RandomGeneratorSystem::NextDouble | ( | double | maxValue | ) | [inline, virtual] |
A double-precision floating point number greater than or equal to 0.0, and LESS than the specified maximum.
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
virtual double IG::Num::RandomGeneratorSystem::NextDouble | ( | double | minValue, |
double | maxValue | ||
) | [inline, virtual] |
A double-precision floating point number greater than or equal to the specified minimum, and LESS THAN the specified maximum.
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
virtual double IG::Num::RandomGeneratorSystem::NextDoubleInclusive | ( | ) | [inline, virtual] |
A double-precision floating point number greater than or equal to 0.0, and LESS OR EQUAL than 1.0.
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
virtual double IG::Num::RandomGeneratorSystem::NextDoubleInclusive | ( | double | maxValue | ) | [inline, virtual] |
A double-precision floating point number greater than or equal to 0.0, and LESS OR EQUAL than the specified maximum.
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
virtual double IG::Num::RandomGeneratorSystem::NextDoubleInclusive | ( | double | minValue, |
double | maxValue | ||
) | [inline, virtual] |
A double-precision floating point number greater than or equal to the specified minimum, and LESS OR EQUAL than the specified maximum.
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
override int IG::Num::RandomGeneratorSystem::Next | ( | ) | [inline] |
Returns a nonnegative random number.
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
override int IG::Num::RandomGeneratorSystem::Next | ( | int | maxValue | ) | [inline] |
Returns a nonnegative random number LESS THAN the specified maximum.
maxValue | The EXCLUSIVE upper bound of the random number to be generated. Must be greater than or equal to zero. |
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
override int IG::Num::RandomGeneratorSystem::Next | ( | int | minValue, |
int | maxValue | ||
) | [inline] |
Returns a random number within a specified range (lower bound inclusive, UPPER BOUND EXCLUSIVE).
minValue | The inclusive lower bound of the random number returned. |
maxValue | The EXCLUSIVE UPPER BOUND of the random number returned. Must be greater than or equal to minValue. |
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
virtual int IG::Num::RandomGeneratorSystem::NextInclusive | ( | int | maxValue | ) | [inline, virtual] |
Returns a nonnegative random number LESS OR EQUAL the specified maximum.
maxValue | The INCLUSIVE upper bound of the random number to be generated. Must be greater than or equal to zero. |
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
virtual int IG::Num::RandomGeneratorSystem::NextInclusive | ( | int | minValue, |
int | maxValue | ||
) | [inline, virtual] |
Returns a random number within a specified range (lower bound inclusive, upper bound INCLUSIVE).
minValue | he inclusive lower bound of the random number returned. |
maxValue | The INCLUSIVE upper bound of the random number returned. Must be greater than or equal to minValue. |
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.
override void IG::Num::RandomGeneratorSystem::NextBytes | ( | byte[] | buffer | ) | [inline] |
Fills the elements of a specified array of bytes with random numbers.
buffer | An array of bytes to contain random numbers. |
Implements IG::Num::IRandomGenerator.
Reimplemented in IG::Num::RandGeneratorThreadSafe.