SLATEC Routines --- MPNZR ---

*DECK MPNZR
      SUBROUTINE MPNZR (RS, RE, Z, TRUNC)
C***BEGIN PROLOGUE  MPNZR
C***SUBSIDIARY
C***PURPOSE  Subsidiary to DQDOTA and DQDOTI
C***LIBRARY   SLATEC
C***TYPE      ALL (MPNZR-A)
C***AUTHOR  (UNKNOWN)
C***DESCRIPTION
C
C  Modified for use with BLAS.  Blank COMMON changed to named COMMON.
C  Assumes long (i.e. (t+4)-DIGIT) fraction in R, sign = RS, exponent
C  = RE.  Normalizes, and returns 'mp' result in Z. Integer arguments
C  RS and RE are not preserved. R*-rounding is used if TRUNC.EQ.0
C
C  The argument Z(*) and the variable R in COMMON are INTEGER arrays
C  of size 30.  See the comments in the routine MPBLAS for the reason
C  for this choice.
C
C***SEE ALSO  DQDOTA, DQDOTI, MPBLAS
C***ROUTINES CALLED  MPERR, MPOVFL, MPUNFL
C***COMMON BLOCKS    MPCOM
C***REVISION HISTORY  (YYMMDD)
C   791001  DATE WRITTEN
C   890531  Changed all specific intrinsics to generic.  (WRB)
C   891214  Prologue converted to Version 4.0 format.  (BAB)
C   900402  Added TYPE section.  (WRB)
C   930124  Increased Array size in MPCON for SUN -r8.  (RWC)
C***END PROLOGUE  MPNZR