cern.jet.random.tdouble.engine
Class MersenneTwister64
java.lang.Object
cern.colt.PersistentObject
cern.jet.random.tdouble.engine.DoubleRandomEngine
cern.jet.random.tdouble.engine.DoubleMersenneTwister
cern.jet.random.tdouble.engine.MersenneTwister64
- All Implemented Interfaces:
- DoubleFunction, IntFunction, Serializable, Cloneable
public class MersenneTwister64
- extends DoubleMersenneTwister
Same as MersenneTwister except that method raw() returns 64
bit random numbers instead of 32 bit random numbers.
- Version:
- 1.0, 09/24/99
- Author:
- wolfgang.hoschek@cern.ch
- See Also:
DoubleMersenneTwister
,
Serialized Form
Constructor Summary |
MersenneTwister64()
Constructs and returns a random number generator with a default seed,
which is a constant. |
MersenneTwister64(Date d)
Constructs and returns a random number generator seeded with the given
date. |
MersenneTwister64(int seed)
Constructs and returns a random number generator with the given seed. |
Method Summary |
double |
raw()
Returns a 64 bit uniformly distributed random number in the open unit
interval (0.0,1.0) (excluding 0.0 and 1.0). |
MersenneTwister64
public MersenneTwister64()
- Constructs and returns a random number generator with a default seed,
which is a constant.
MersenneTwister64
public MersenneTwister64(int seed)
- Constructs and returns a random number generator with the given seed.
- Parameters:
seed
- should not be 0, in such a case
MersenneTwister64.DEFAULT_SEED is silently
substituted.
MersenneTwister64
public MersenneTwister64(Date d)
- Constructs and returns a random number generator seeded with the given
date.
- Parameters:
d
- typically new java.util.Date()
raw
public double raw()
- Returns a 64 bit uniformly distributed random number in the open unit
interval
(0.0,1.0)
(excluding 0.0 and 1.0).
- Overrides:
raw
in class DoubleRandomEngine
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