SLATEC Routines --- TRIDQ ---

*DECK TRIDQ
      SUBROUTINE TRIDQ (MR, A, B, C, Y, D)
C***BEGIN PROLOGUE  TRIDQ
C***SUBSIDIARY
C***PURPOSE  Subsidiary to POIS3D
C***LIBRARY   SLATEC
C***TYPE      SINGLE PRECISION (TRIDQ-S)
C***AUTHOR  (UNKNOWN)
C***SEE ALSO  POIS3D
C***ROUTINES CALLED  (NONE)
C***REVISION HISTORY  (YYMMDD)
C   801001  DATE WRITTEN
C   891214  Prologue converted to Version 4.0 format.  (BAB)
C   900308  Renamed routine from TRID to TRIDQ.  (WRB)
C   900402  Added TYPE section.  (WRB)
C***END PROLOGUE  TRIDQ