RFLU_ModEntropyFixes.F90

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!******************************************************************************
!
! Purpose: Collection definitions of entropy fixes.
!
! Description: None
!
! Notes: None.
!
!******************************************************************************
!
! $Id: RFLU_ModEntropyFixes.F90,v 1.4 2008/12/06 08:44:21 mtcampbe Exp $
!
! Copyright: (c) 2003 by the University of Illinois
!
!******************************************************************************

MODULE rflu_modentropyfixes

  USE moddatatypes

  IMPLICIT NONE

  PRIVATE
  PUBLIC :: entropyfixhartenhyman

! ******************************************************************************
! Declarations and definitions
! ******************************************************************************  
  
! ==============================================================================
! Local variables
! ==============================================================================
 
  CHARACTER(CHRLEN), PARAMETER :: & 
    RCSIdentString = '$RCSfile: RFLU_ModEntropyFixes.F90,v $ $Revision: 1.4 $'

! ******************************************************************************
! Module subroutines
! ******************************************************************************

  CONTAINS
  
    FUNCTION entropyfixhartenhyman(l,d)
      
      REAL(RFREAL), INTENT(IN) :: l,d
      REAL(RFREAL) :: entropyfixhartenhyman
      
      IF ( l > d ) THEN 
        entropyfixhartenhyman = l
      ELSE  
        entropyfixhartenhyman = (l*l + d*d)/(2.0_rfreal*d)
      END IF ! l
      
    END FUNCTION entropyfixhartenhyman

! ******************************************************************************
! End
! ******************************************************************************

END MODULE rflu_modentropyfixes


! ******************************************************************************
!
! RCS Revision history:
!
!   $Log: RFLU_ModEntropyFixes.F90,v $
!   Revision 1.4  2008/12/06 08:44:21  mtcampbe
!   Updated license.
!
!   Revision 1.3  2008/11/19 22:17:32  mtcampbe
!   Added Illinois Open Source License/Copyright
!
!   Revision 1.2  2004/01/22 16:03:59  haselbac
!   Made contents of modules PRIVATE, only procs PUBLIC, to avoid errors on ALC and titan
!
!   Revision 1.1  2003/11/25 21:03:30  haselbac
!   Initial revision
!
! ******************************************************************************