Class IlcRelativeDemandCriticalityCalculatorI

Definition file: ilsched/texturei.h

Include file: <ilsched/ilsched.h>

IlcRelativeDemandCriticalityCalculatorI is the implementation class that implements the relative demand texture criticality calculator.

For more information, see Texture Measurements.

Constructor and Destructor Summary
`public`	`IlcRelativeDemandCriticalityCalculatorI()`

Method Summary
`public virtual IlcFloat`	`calculateCriticalityGreaterThan(IlcFloat expectedDemand, IlcFloat constraintVal, IlcFloat expectedVariance) const`
`public virtual IlcFloat`	`calculateCriticalityLessThan(IlcFloat expectedDemand, IlcFloat constraintVal, IlcFloat expectedVariance) const`

Inherited Methods from `IlcTextureCriticalityCalculatorI`
`calculateCriticalityGreaterThan, calculateCriticalityLessThan`

Constructor and Destructor Detail

IlcRelativeDemandCriticalityCalculatorI

public IlcRelativeDemandCriticalityCalculatorI()

This constructor creates an instance of IlcRelativeDemandCriticalityCalculatorI.

Method Detail

calculateCriticalityGreaterThan

public virtual IlcFloat calculateCriticalityGreaterThan(IlcFloat expectedDemand, IlcFloat constraintVal, IlcFloat expectedVariance) const

This method calculates the criticality of a maximum constraint at one time point based on the ratio of demand to constraintVal. For sample code, see IlcRelativeDemandCriticalityCalculatorI::calculateCriticalityLessThan.

calculateCriticalityLessThan

public virtual IlcFloat calculateCriticalityLessThan(IlcFloat expectedDemand, IlcFloat constraintVal, IlcFloat expectedVariance) const

This method calculates the criticality of a minimum constraint at one time point based on the ratio of constraintVal to demand.

Example

The two criticality calculation methods may be written as follows:


 IlcFloat IlcRelativeDemandCriticalityCalculatorI::
   calculateCriticalityGreaterThan(IlcFloat demand,
 				  IlcFloat constraintVal,
 				  IlcFloat) const {
   if (demand <= 0)
     return 0;
   else if (constraintVal <= 0)
     return IlcFloatMax;
   return demand / constraintVal;
 }

 IlcFloat IlcRelativeDemandCriticalityCalculatorI::
   calculateCriticalityLessThan(IlcFloat demand,
 			       IlcFloat constraintVal,
 			       IlcFloat = 0.) const {
   if (constraintVal <= 0)
     return 0;
   else if (demand <= 0)
     return IlcFloatMax;
   return constraintVal / demand;
 }