RungeKutta_stepSizeEstimate.F90

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!!  Copyright 2022 UChicago Argonne, LLC and contributors
!!
!!  Licensed under the Apache License, Version 2.0 (the "License");
!!  you may not use this file except in compliance with the License.
!!
!!  Unless required by applicable law or agreed to in writing, software
!!  distributed under the License is distributed on an "AS IS" BASIS,
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!!  See the License for the specific language governing permissions and
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real function RungeKutta_stepSizeEstimate (method,f,x,y,eFrac,eBase,hmax)
 
  implicit none
 
  interface
    function f (x,y)
      real, intent (in) :: x
      real, intent (in) :: y (:)
      real              :: f (1:size (y))
    end function f
  end interface
 
  character (len=*), intent (in)  :: method
  real,              intent (in)  :: x
  real,              intent (in)  :: y     (:)
  real,              intent (in)  :: eFrac
  real,              intent (in)  :: eBase (:)
  real, optional,    intent (in)  :: hmax
 
  RungeKutta_stepSizeEstimate = 0.0
 
  return
end function RungeKutta_stepSizeEstimate