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// Copyright (C) 1995 The New York Group Theory Cooperative
// See magnus/doc/COPYRIGHT for the full notice.
//
// Contents: Declaration of class GCM
//
// Principal Author: Roger Needham
//
// Status: in progress
//
// Revision History:
//
#ifndef _GCM_H_
#define _GCM_H_
#include "FPGroup.h"
#include "ComputationManager.h"
#include "Supervisor.h"
#include "GIC.h"
// Computation Managers supervised by a GCM:
#include "NormalClosure.h"
#include "AbelianInvariants.h"
#include "KBModule.h"
#include "AGModule.h"
#include "ToddCoxeter.h"
#include "HToddCoxeter.h"
#include "NilpotentQuotients.h"
//---------------------------------------------------------------------------//
//-------------------------------- GCM --------------------------------------//
//---------------------------------------------------------------------------//
class GCM : public Supervisor
{
public:
/////////////////////////////////////////////////////////////////////////
// //
// Constructors: //
// //
/////////////////////////////////////////////////////////////////////////
GCM( class SMFPGroup& G );
/////////////////////////////////////////////////////////////////////////
// //
// Accessors: //
// //
/////////////////////////////////////////////////////////////////////////
SMFPGroup& getSMFPGroup( ) const { return theSMFPGroup; }
/////////////////////////////////////////////////////////////////////////
// //
// Front End Interfacing: //
// //
/////////////////////////////////////////////////////////////////////////
void viewStructure(ostream& ostr) const;
/////////////////////////////////////////////////////////////////////////
// //
// Subordinate Computation Managers: //
// //
/////////////////////////////////////////////////////////////////////////
Subordinate<GCM,NormalClosure> normalClosure;
Subordinate<GCM,AbelianInvariants> abelianInvariants;
Subordinate<GCM,AbelianPrimes> abelianPrimes;
Subordinate<GCM,AbelianRank> abelianRank;
Subordinate<GCM,KBSupervisor> kbSupervisor;
Subordinate<GCM,AGSupervisor> agSupervisor;
Subordinate<GCM,NilpotentQuotients> nilpotentQuotients;
Subordinate<GCM,NGcomputeBasis> computeBasis;
Subordinate<GCM,ToddCoxeter> theToddCoxeter;
Subordinate<GCM,HToddCoxeter> ghToddCoxeter;
/////////////////////////////////////////////////////////////////////////
// //
// Control: //
// //
/////////////////////////////////////////////////////////////////////////
void takeControl( ); // overrides ComputationManager
/////////////////////////////////////////////////////////////////////////
// //
// State Transitions: //
// //
/////////////////////////////////////////////////////////////////////////
void start( ); // overrides ComputationManager
void terminate( ); // overrides ComputationManager
private:
/////////////////////////////////////////////////////////////////////////
// //
// Data Members: //
// //
/////////////////////////////////////////////////////////////////////////
class SMFPGroup& theSMFPGroup;
bool didFastChecks;
// The takeControl method does some sneaky checks of obvious properties
// (this should be formalized, since they are not always that fast).
// This records the first call, so that they are not done over and over.
};
#endif
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