tools_operators.f90 Source File

!
!     (c) 2019 Guide Star Engineering, LLC
!     This Software was developed for the US Nuclear Regulatory Commission (US NRC)
!     under contract "Multi-Dimensional Physics Implementation into Fuel Analysis under
!     Steady-state and Transients (FAST)", contract # NRC-HQ-60-17-C-0007
!
!
!    NEMO - Numerical Engine (for) Multiphysics Operators
! Copyright (c) 2007, Stefano Toninel
!                     Gian Marco Bianchi  University of Bologna
!              David P. Schmidt    University of Massachusetts - Amherst
!              Salvatore Filippone University of Rome Tor Vergata
! All rights reserved.
!
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! are permitted provided that the following conditions are met:
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!        this list of conditions and the following disclaimer.
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!        this list of conditions and the following disclaimer in the documentation
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!     3. Neither the name of the NEMO project nor the names of its contributors
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!---------------------------------------------------------------------------------
!
! $Id: tools_operators.f90 3093 2008-04-22 14:51:09Z sfilippo $
!
! Description:
!    To be added...
!
MODULE tools_operators

    USE class_psblas, ONLY : psb_dpk_
    IMPLICIT NONE

    PRIVATE
    PUBLIC :: pde_sign, size_blk
    PUBLIC :: lhs_, rhs_

    REAL(psb_dpk_), PARAMETER :: lhs_ = 1.d0
    REAL(psb_dpk_), PARAMETER :: rhs_ = -1.d0

    INTERFACE

        MODULE FUNCTION pde_sign(sign,side)
            USE class_psblas
            IMPLICIT NONE
            REAL(psb_dpk_) :: pde_sign
            CHARACTER(len=1), INTENT(IN) :: sign
            REAL(psb_dpk_), INTENT(IN) :: side
        END FUNCTION pde_sign


        MODULE FUNCTION size_blk(ifirst,imax)
            IMPLICIT NONE
            INTEGER :: size_blk
            INTEGER, INTENT(IN) :: ifirst, imax
            !!  WARNING!!! NBMAX must be a multiple of 4
        END FUNCTION size_blk

    END INTERFACE

END MODULE tools_operators