dfspvd.f
SUBROUTINE DFSPVD (T, K, X, ILEFT, VNIKX, NDERIV)
C***BEGIN PROLOGUE DFSPVD
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Warning: this routine is not intended to be user-callable.
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C***SUBSIDIARY
C***PURPOSE Subsidiary to DFC
C***LIBRARY SLATEC
C***TYPE DOUBLE PRECISION (BSPLVD-S, DFSPVD-D)
C***AUTHOR (UNKNOWN)
C***DESCRIPTION
C
C **** Double Precision Version of BSPLVD ****
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 DFSPVN
C
C***SEE ALSO DFC
C***ROUTINES CALLED DFSPVN
C***REVISION HISTORY (YYMMDD)
C 780801 DATE WRITTEN
C 890531 Changed all specific intrinsics to generic. (WRB)
C 890831 Modified array declarations. (WRB)
C 890911 Removed unnecessary intrinsics. (WRB)
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 900328 Added TYPE section. (WRB)
C***END PROLOGUE DFSPVD