FEpetra_Comm::ScanSum Interface Reference

Epetra_Comm Scan Sum function. More...

List of all members.

Public Member Functions
Parallel Prefix Methods
subroutine	ScanSum (this, MyVals, scan_sums, err)
subroutine	ScanSum (this, MyVals, scan_sums, err)

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Detailed Description

Epetra_Comm Scan Sum function.

Take list of input values from all processors in the communicator, computes the scan sum and returns it to all processors such that processor i contains the sum of values from processor 0 up to and including processor i. Implemented in Epetra_MpiComm, and Epetra_SerialComm.

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Constructor & Destructor Documentation

subroutine FEpetra_Comm::ScanSum::ScanSum	(	class(Epetra_Comm), intent(in)	this,
		real(c_double), dimension(:), intent(in)	MyVals,
		real(c_double), dimension(:), intent(inout)	scan_sums,
		type(error), intent(inout), optional	err
	)

Parameters:

[in]	this	Polymorphic type Epetra_Comm communicator containing processors information
[in]	MyVals	In On entry, contains the list of values to be summed across all processors.
[in,out]	scan_sums	Out On exit, contains the list of values summed across processors 0 through i.
[in,out]	err	Returns error information.

subroutine FEpetra_Comm::ScanSum::ScanSum	(	class(Epetra_Comm), intent(in)	this,
		integer(c_int), dimension(:), intent(in)	MyVals,
		integer(c_int), dimension(:), intent(inout)	scan_sums,
		type(error), intent(inout), optional	err
	)

Parameters:

[in]	this	Polymorphic type Epetra_Comm communicator containing processors information
[in]	MyVals	In On entry, contains the list of values to be summed across all processors.
[in,out]	scan_sums	Out On exit, contains the list of values summed across processors 0 through i.
[in,out]	err	Returns error information.

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The documentation for this interface was generated from the following file:

• /usr/src/RPM/BUILD/trilinos-11.12.1/packages/ForTrilinos/src/doc/epetra/FEpetra_Comm.f90