SLATEC Routines --- DBDIFF ---

*DECK DBDIFF
      SUBROUTINE DBDIFF (L, V)
C***BEGIN PROLOGUE  DBDIFF
C***SUBSIDIARY
C***PURPOSE  Subsidiary to DBSKIN
C***LIBRARY   SLATEC
C***TYPE      DOUBLE PRECISION (BDIFF-S, DBDIFF-D)
C***AUTHOR  Amos, D. E., (SNLA)
C***DESCRIPTION
C
C     DBDIFF computes the sum of B(L,K)*V(K)*(-1)**K where B(L,K)
C     are the binomial coefficients.  Truncated sums are computed by
C     setting last part of the V vector to zero. On return, the binomial
C     sum is in V(L).
C
C***SEE ALSO  DBSKIN
C***ROUTINES CALLED  (NONE)
C***REVISION HISTORY  (YYMMDD)
C   820601  DATE WRITTEN
C   891214  Prologue converted to Version 4.0 format.  (BAB)
C   900328  Added TYPE section.  (WRB)
C***END PROLOGUE  DBDIFF