FLASH4 complete API

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TABLE OF CONTENTS

[Functions] source/physics/Gravity/Gravity_bhEwaldAcc

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NAME

  Gravity_bhEwaldAcc

SYNOPSIS

   real field = Gravity_bhEwaldAcc(
                           real(in)    :: x,
                           real(in)    :: y,
                           real(in)    :: z,
                           real(in)    :: drAbsInv
        )

DESCRIPTION

   Interpolates in the Ewald field for acceleration and returns its 
   value for the point x,y,z corrected to x_i/r**3 term

ARGUMENTS

  x   : x-coordinate of the point where the Ewald field is determined
  y   : y-coordinate of the point where the Ewald field is determined
  z   : z-coordinate of the point where the Ewald field is determined
  drAbsInv   :  1.0/sqrt(x**2+y**2+z**2)

RESULT

  Value of the normalised acceleration in a given point.

NOTES