public class Min extends AbstractStorelessUnivariateStatistic implements Serializable
NaN iff all values are NaN
(i.e. NaN values have no impact on the value of the statistic).Double.NEGATIVE_INFINITY,
the result is Double.NEGATIVE_INFINITY.
Note that this implementation is not synchronized. If
multiple threads access an instance of this class concurrently, and at least
one of the threads invokes the increment() or
clear() method, it must be synchronized externally.
| Constructor and Description |
|---|
Min()
Create a Min instance
|
Min(Min original)
Copy constructor, creates a new
Min identical
to the original |
| Modifier and Type | Method and Description |
|---|---|
void |
clear()
Clears the internal state of the Statistic
|
Min |
copy()
Returns a copy of the statistic with the same internal state.
|
static void |
copy(Min source,
Min dest)
Copies source to dest.
|
double |
evaluate(double[] values,
int begin,
int length)
Returns the minimum of the entries in the specified portion of
the input array, or
Double.NaN if the designated subarray
is empty. |
long |
getN()
Returns the number of values that have been added.
|
double |
getResult()
Returns the current value of the Statistic.
|
void |
increment(double d)
Updates the internal state of the statistic to reflect the addition of the new value.
|
equals, evaluate, hashCode, incrementAll, incrementAllevaluate, getData, getDataRef, setData, setData, test, test, test, testpublic Min()
public Min(Min original)
Min identical
to the originaloriginal - the Min instance to copypublic void increment(double d)
increment in interface StorelessUnivariateStatisticincrement in class AbstractStorelessUnivariateStatisticd - the new value.public void clear()
clear in interface StorelessUnivariateStatisticclear in class AbstractStorelessUnivariateStatisticpublic double getResult()
getResult in interface StorelessUnivariateStatisticgetResult in class AbstractStorelessUnivariateStatisticDouble.NaN if it
has been cleared or just instantiated.public long getN()
getN in interface StorelessUnivariateStatisticpublic double evaluate(double[] values,
int begin,
int length)
Double.NaN if the designated subarray
is empty.
Throws IllegalArgumentException if the array is null or
the array index parameters are not valid.
NaN iff all values are NaN
(i.e. NaN values have no impact on the value of the statistic).Double.NEGATIVE_INFINITY,
the result is Double.NEGATIVE_INFINITY.evaluate in interface UnivariateStatisticevaluate in class AbstractStorelessUnivariateStatisticvalues - the input arraybegin - index of the first array element to includelength - the number of elements to includeIllegalArgumentException - if the array is null or the array index
parameters are not validUnivariateStatistic.evaluate(double[], int, int)public Min copy()
copy in interface StorelessUnivariateStatisticcopy in interface UnivariateStatisticcopy in class AbstractStorelessUnivariateStatisticpublic static void copy(Min source, Min dest) throws NullArgumentException
Neither source nor dest can be null.
source - Min to copydest - Min to copy toNullArgumentException - if either source or dest is nullCopyright © 2003-2012 The Apache Software Foundation. All Rights Reserved.