SLATEC Routines --- BSPLVD ---

*DECK BSPLVD
      SUBROUTINE BSPLVD (T, K, X, ILEFT, VNIKX, NDERIV)
C***BEGIN PROLOGUE  BSPLVD
C***SUBSIDIARY
C***PURPOSE  Subsidiary to FC
C***LIBRARY   SLATEC
C***TYPE      SINGLE PRECISION (BSPLVD-S, DFSPVD-D)
C***AUTHOR  (UNKNOWN)
C***DESCRIPTION
C
C Calculates value and deriv.s of all B-splines which do not vanish at X
C
C  Fill VNIKX(J,IDERIV), J=IDERIV, ... ,K  with nonzero values of
C  B-splines of order K+1-IDERIV , IDERIV=NDERIV, ... ,1, by repeated
C  calls to BSPLVN
C
C***SEE ALSO  FC
C***ROUTINES CALLED  BSPLVN
C***REVISION HISTORY  (YYMMDD)
C   780801  DATE WRITTEN
C   890531  Changed all specific intrinsics to generic.  (WRB)
C   890831  Modified array declarations.  (WRB)
C   891214  Prologue converted to Version 4.0 format.  (BAB)
C   900328  Added TYPE section.  (WRB)
C***END PROLOGUE  BSPLVD