geom_tet_center.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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!---------------------------------------------------------------------------------
!
! $Id: geom_tet_center.f90 3093 2008-04-22 14:51:09Z sfilippo $
!
! Description:
!    Evaluates the center coordinates for a tetraedron defined by its four vertices
!    coordinates, by means of exact formulas.
!
SUBMODULE(tools_mesh_basics) geom_tet_center_implementation
    IMPLICIT NONE

    CONTAINS

        MODULE PROCEDURE geom_tet_center
            USE class_vertex, ONLY : OPERATOR(+), OPERATOR(*)
            IMPLICIT NONE
            !! Computes center of mass

            geom_tet_center = 0.25d0 * (v1 + v2 + v3 + v4)

        END PROCEDURE geom_tet_center

END SUBMODULE geom_tet_center_implementation