NCEPLIBS-w3emc 2.12.0
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w3fm08.f File Reference

Nine point smoother/desmoother. More...

Go to the source code of this file.

Functions/Subroutines

subroutine w3fm08 (a, z, li, lj)
 Nine point smoother/desmoother.
 

Detailed Description

Nine point smoother/desmoother.

Author
J. Howcroft
Date
1971-02-01

Definition in file w3fm08.f.

Function/Subroutine Documentation

◆ w3fm08()

subroutine w3fm08 ( real, dimension(li,lj)  a,
real, dimension(li,lj)  z,
  li,
  lj 
)

Nine point smoother/desmoother.

Smoother pass uses an equivalent linear smoother with stencil (.25 .5 .25) and the desmoother uses stencil (-.25 1.5 -.25). Two grid interval waves are annihilated, four grid interval waves have a .75 response.

Program history log:

  • J. Howcroft 1971-02-01
  • Ralph Jones 1984-07-01 Change to ibm vs fortran.
  • Ralph Jones 1994-07-27 Change to cray cft77 fortran.
Parameters
[in,out]A
  • [in] Real size (li,lj) array to hold field to be smoothed.
  • [out] Array holding smoothed field.
[in]Z- Real size (li,lj) work area.
[in]LI- Integer number of columns.
[in]LJ- Integer number of rows.
Author
J. Howcroft
Date
1971-02-01

Definition at line 23 of file w3fm08.f.