LightJason - AgentSpeak(L++)
CBinomial.java
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23 
24 package org.lightjason.agentspeak.action.builtin.math;
25 
26 import com.codepoetics.protonpack.StreamUtils;
27 import org.apache.commons.math3.util.CombinatoricsUtils;
35 
36 import javax.annotation.Nonnegative;
37 import javax.annotation.Nonnull;
38 import java.util.List;
39 
40 
50 public final class CBinomial extends IBuiltinAction
51 {
55  private static final long serialVersionUID = 7542134505799374485L;
56 
57  @Nonnegative
58  @Override
59  public final int minimalArgumentNumber()
60  {
61  return 2;
62  }
63 
64  @Nonnull
65  @Override
66  public final IFuzzyValue<Boolean> execute( final boolean p_parallel, @Nonnull final IContext p_context,
67  @Nonnull final List<ITerm> p_argument, @Nonnull final List<ITerm> p_return )
68  {
69  StreamUtils.windowed(
70  CCommon.flatten( p_argument )
71  .map( ITerm::<Number>raw )
72  .mapToInt( Number::intValue )
73  .boxed(),
74  2,
75  2
76  )
77  .map( i -> CombinatoricsUtils.binomialCoefficient( i.get( 0 ), i.get( 1 ) ) )
78  .map( CRawTerm::from )
79  .forEach( p_return::add );
80 
81  return CFuzzyValue.from( true );
82  }
83 
84 }
final IFuzzyValue< Boolean > execute(final boolean p_parallel, @Nonnull final IContext p_context, @Nonnull final List< ITerm > p_argument, @Nonnull final List< ITerm > p_return)
defines a plan-body operation
Definition: CBinomial.java:66
base class of build-in actions for setting name by package/classname (without prefix character) ...
static< N > IFuzzyValue< N > from( @Nonnull final N p_value)
factory
common structure for execution definition
execution context with local data
Definition: IContext.java:42
static Stream< ITerm > flatten( @Nonnull final Collection<? extends ITerm > p_terms)
flat term-in-term collection into a straight term list
action for calculating binomial coefficient.
Definition: CBinomial.java:50
result for an immutable fuzzy value
final int minimalArgumentNumber()
minimum number of arguments
Definition: CBinomial.java:59
static< N > CRawTerm< N > from(final N p_value)
factory for a raw term
Definition: CRawTerm.java:104
term structure for simple datatypes
Definition: CRawTerm.java:45