public Decision Build(
IIntMap<int> outcomeArrows,
IntInterval possibleBounds,
IIntFrequency frequency)
{
defaultAction = outcomeArrows.DefaultValue;
this.actionIdToDecision[defaultAction] = new ActionDecision(defaultAction);
Decision result;
if (TryBuildElementaryTree(outcomeArrows, out result))
{
return result;
}
// TODO: Alternatively to averaging probability, each test can
// be split if probability varies significantly within test range
DecisionTest[] tests
= outcomeArrows
.EnumerateCoverage(possibleBounds)
.Select(
a => new DecisionTest(a.Key, a.Value, frequency.Average(a.Key))
)
.ToArray();
result = GenTree(new ArraySlice<DecisionTest>(tests));
return result;
}
public Decision Build(
IIntMap <int> outcomeArrows,
IntInterval possibleBounds,
IIntFrequency frequency)
{
defaultAction = outcomeArrows.DefaultValue;
this.actionIdToDecision[defaultAction] = new ActionDecision(defaultAction);
Decision result;
if (TryBuildElementaryTree(outcomeArrows, out result))
{
return(result);
}
// TODO: Alternatively to averaging probability, each test can
// be split if probability varies significantly within test range
DecisionTest[] tests
= outcomeArrows
.EnumerateCoverage(possibleBounds)
.Select(
a => new DecisionTest(a.Key, a.Value, frequency.Average(a.Key))
)
.ToArray();
result = GenTree(new ArraySlice <DecisionTest>(tests));
return(result);
}
public static SwitchGenerator Sparse(
IIntMap<int> arrows,
IntInterval possibleBounds,
IIntFrequency frequency = null)
{
var result = new SparseSwitchGenerator(arrows, possibleBounds, frequency);
return result;
}
public static SwitchGenerator Sparse(
IIntMap <int> arrows,
IntInterval possibleBounds,
IIntFrequency frequency = null)
{
var result = new SparseSwitchGenerator(arrows, possibleBounds, frequency);
return(result);
}
public static SwitchGenerator Sparse(
IntArrow<int>[] intervalToValue,
int defaultValue,
IntInterval possibleBounds,
IIntFrequency frequency = null)
{
var result = new SparseSwitchGenerator(intervalToValue, defaultValue, possibleBounds, frequency);
return result;
}
public SparseSwitchGenerator(
IIntMap<int> intMap,
IntInterval possibleBounds,
IIntFrequency frequency)
{
this.strategy = new InlineFirstDTStrategy(this);
this.intMap = intMap;
this.possibleBounds = possibleBounds;
this.frequency = frequency ?? new UniformIntFrequency(possibleBounds);
}
public SparseSwitchGenerator(
IntArrow<int>[] intArrows,
int defaultValue,
IntInterval possibleBounds,
IIntFrequency frequency = null)
: this(new MutableIntMap<int>(intArrows, defaultValue),
possibleBounds,
frequency)
{
}
public static SwitchGenerator Sparse(
IntArrow <int>[] intervalToValue,
int defaultValue,
IntInterval possibleBounds,
IIntFrequency frequency = null)
{
var result = new SparseSwitchGenerator(intervalToValue, defaultValue, possibleBounds, frequency);
return(result);
}
public SparseSwitchGenerator(
IIntMap <int> intMap,
IntInterval possibleBounds,
IIntFrequency frequency)
{
this.strategy = new InlineFirstDTStrategy(this);
this.intMap = intMap;
this.possibleBounds = possibleBounds;
this.frequency = frequency ?? new UniformIntFrequency(possibleBounds);
}
public SparseSwitchGenerator(
IntArrow <int>[] intArrows,
int defaultValue,
IntInterval possibleBounds,
IIntFrequency frequency = null)
: this(
new MutableIntMap <int>(intArrows, defaultValue),
possibleBounds,
frequency)
{
}
