The W3FI82 routine converts to array of second differences and
returns the original first value and the first
first-difference as separate values.
USAGE: CALL W3FI82 (IFLD,FVAL1,FDIFF1,NPTS)
Input argument list:
IFLD - INTEGER INPUT ARRAY
NPTS - NUMBER OF POINTS IN ARRAY
Output argument list:
IFLD - SECOND DIFFERENCED FIELD
FVAL1 - FLOATING POINT ORIGINAL FIRST VALUE
FDIFF1 - " " FIRST FIRST-DIFFERENCE
Subprogram can be called from a multiprocessing environment.
||Library contains Fortran 90 decoder/encoder
routines for GRIB edition 1. (Fortran90)
Date posted: 2/22/2007