scalar_vector_fld_mul.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.
!
! Redistribution and use in source and binary forms, with or without modification,
! are permitted provided that the following conditions are met:
!
!     1. Redistributions of source code must retain the above copyright notice,
!        this list of conditions and the following disclaimer.
!     2. Redistributions in binary form must reproduce the above copyright notice,
!        this list of conditions and the following disclaimer in the documentation
!        and/or other materials provided with the distribution.
!     3. Neither the name of the NEMO project nor the names of its contributors
!        may be used to endorse or promote products derived from this software
!        without specific prior written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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!---------------------------------------------------------------------------------
!
! $Id: scalar_vector_fld_mul.f90 2469 2007-10-08 10:34:43Z sfilippo $
!
! Description:
!    To be added...
!
SUBMODULE(op_field) scalar_vector_fld_mul_implementation

    IMPLICIT NONE

    CONTAINS

        MODULE PROCEDURE scalar_vector_fld_mul
            USE class_dimensions
            USE class_field
            USE class_scalar_field
            USE class_vector_field
            USE class_vector
            USE class_psblas, ONLY : psb_dpk_

            IMPLICIT NONE
            !
            REAL(psb_dpk_), ALLOCATABLE :: x_s(:), bx_s(:)
            TYPE(vector),     ALLOCATABLE :: x_v(:), bx_v(:)
            TYPE(dimensions) :: dim
            TYPE(field) :: base_s, base_v


            ! Check consistency of operands
            CALL fld_s%get_base(base_s)
            CALL fld_v%get_base(base_v)
            CALL base_s%check_field_operands(base_v,'SCALAR_VECTOR_FLD_MUL')

            ! Computes result dimensions
            dim = fld_s%dim_() * fld_v%dim_()

            ! Sets DIM member in the base field object
            CALL base_v%set_field_dim(dim)

            ! Gets X and BX members of operands
            CALL fld_s%get_x(x_s)
            CALL fld_v%get_x(x_v)
            CALL fld_s%get_bx(bx_s)
            CALL fld_v%get_bx(bx_v)

            ! Construct the result object
            res = vector_field(base_v, &
                &            x = x_s  * x_v, &
                &            bx = bx_s * bx_v)

            DEALLOCATE(bx_v,bx_s,x_v,x_s)
            CALL base_v%free_field()
            CALL base_s%free_field()

        END PROCEDURE scalar_vector_fld_mul

END SUBMODULE scalar_vector_fld_mul_implementation