FLASH4 complete API

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TABLE OF CONTENTS

[Functions] source/Grid/Grid_addToVar

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NAME

  Grid_addToVar

SYNOPSIS

  call Grid_addToVar(integer(in) :: srcVar,
                     integer(in) :: destVar,
                     real(in) :: multFactor,
                     logical(in) :: reset)

DESCRIPTION

   Compute solnData(srcVar,:,:,:)*multFactor and save in solnData(destVar,:,:,:).

   If reset is true, the destination variable is first zeroed;
   otherwise the product is added to the existing values of destVar.

   The operation is applied to interior cells of all LEAF blocks.

ARGUMENTS

   srcVar : the state variables to be used in the RHS of the expression

   destVar : the state variables to be used in the LHS of the expression

   multFactor : multiplication factor

   reset : indicates whether the destination variable should be zeroed first

NOTES

   srcVar == destVar is allowed and behaves as expected iff reset is .FALSE.

   For a copy call Grid_addToVar(srcVar, destVar, 1.0, .true.)