iislauncheritem.h

Amis - A maximum entropy estimator 一个最大熵模型统计工具

#ifndef Amis_IISLauncherItem_h_

#define Amis_IISLauncherItem_h_

#include <amis/configure.h>
#include <amis/EstimatorLauncher.h>
#include <amis/Property.h>
#include <amis/PropertyItem.h>

AMIS_NAMESPACE_BEGIN

class IISLauncherItemBase : public EstimatorLauncherItem {
protected:
  static PropertyItem< int > max_newton_iterations;
  static PropertyItem< bool > feature_count_hash;
public:
  IISLauncherItemBase( const std::string& name,
		       const std::string& event,
		       const std::string& feature,
		       const std::string& desc )
    : EstimatorLauncherItem( name, event, feature, desc ) {}
};

template < class IISVector, class IISHash >
class IISLauncherItem : public IISLauncherItemBase {
public:
  IISLauncherItem( const std::string& name,
		   const std::string& event,
		   const std::string& feature,
		   const std::string& desc )
    : IISLauncherItemBase( name, event, feature, desc ) {}
  EstimatorPtr launch( Property* property ) {
    if ( feature_count_hash.getValue() ) {
      IISHash* iis = new IISHash();
      iis->setMaxNewtonIterations( max_newton_iterations.getValue() );
      iis->setNumThreads( property->getNumThreads() );
      return EstimatorPtr( iis );
    } else {
      IISVector* iis = new IISVector();
      iis->setMaxNewtonIterations( max_newton_iterations.getValue() );
      iis->setNumThreads( property->getNumThreads() );
      return EstimatorPtr( iis );
    }
  }
};

AMIS_NAMESPACE_END

#endif // Amis_IISLauncherItem_h_
// end of IISLauncherItem.h