95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
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//@HEADER
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/*
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************************************************************************
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Epetra: Linear Algebra Services Package
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Copyright (2001) Sandia Corporation
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Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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license for use of this work by or on behalf of the U.S. Government.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA
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Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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************************************************************************
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*/
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//@HEADER
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#ifndef EPETRA_FLOPS_H
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#define EPETRA_FLOPS_H
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//! Epetra_Flops: The Epetra Floating Point Operations Class.
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/*! The Epetra_Flops class provides basic support and consistent interfaces
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for counting and reporting floating point operations performed in
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the Epetra computational classes. All classes based on the Epetra_CompObject
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can count flops by the user creating an Epetra_Flops object and calling the SetFlopCounter()
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method for an Epetra_CompObject.
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*/
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class Epetra_Flops {
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public:
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//! Epetra_Flops Constructor.
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/*! Creates a Epetra_Flops instance. This instance can be queried for
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the number of floating point operations performed for the associated
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\e this object.
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*/
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Epetra_Flops(void);
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//! Epetra_Flops Copy Constructor.
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/*! Makes an exact copy of an existing Epetra_Flops instance.
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*/
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Epetra_Flops(const Epetra_Flops& Flops);
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//! Returns the number of floating point operations with \e this object and resets the count.
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double Flops() const {double tmp = Flops_; Flops_ = 0.0; return(tmp);};
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//! Resets the number of floating point operations to zero for \e this multi-vector.
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void ResetFlops() {Flops_=0.0;};
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//! Epetra_Flops Destructor.
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/*! Completely deletes a Epetra_Flops object.
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*/
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virtual ~Epetra_Flops(void);
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Epetra_Flops& operator=(const Epetra_Flops& src)
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{
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Flops_ = src.Flops_;
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return(*this);
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}
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friend class Epetra_CompObject;
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protected:
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mutable double Flops_;
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//! Increment Flop count for \e this object from an int
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void UpdateFlops(int Flops) const {Flops_ += (double) Flops;};
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//! Increment Flop count for \e this object from a long int
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void UpdateFlops(long int Flops) const {Flops_ += (double) Flops;};
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//! Increment Flop count for \e this object from a double
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void UpdateFlops(double Flops) const {Flops_ += Flops;};
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//! Increment Flop count for \e this object from a float
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void UpdateFlops(float Flops) const {Flops_ +=(double) Flops;};
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private:
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};
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#endif /* EPETRA_FLOPS_H */
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