SUBROUTINE ZTACF1(CARPOS,DIODE,FIT,N,COEF,ORDER,RMS)
*
*  Module number: 13.13.1.2.1
*
*  Module name: ZTACF1
*
*  Keyphrase:
*  ----------
*       Print results of least squares fit
*
*  Description:
*  ------------
*       The results of the least squares fit of diode versus
*       carrousel are printed.  Results include the fitted values,
*       the residuals, the coefficients, and the RMS error in the
*       residuals.
*
*  FORTRAN name: ztacf1.for
*
*  Keywords of accessed files and tables:
*  --------------------------------------
*       none
*
*  Subroutines Called:
*  -------------------
*  CDBS:
*
*  SDAS:
*       umsput
*  Others:
*
*
*  History:
*  --------
*  Version      Date        Author          Description
*    1       Oct. 87    D. Lindler       Designed and coded
*-------------------------------------------------------------------------------
C
C INPUT PARAMETERS
C
C       CARPOS - VECTOR OF CARROUSEL POSITIONS (REAL*8)
C       DIODE - VECTOR OF DIODE POSITIONS (REAL*8)
C       FIT - VECTOR OF FITTED DIODE POSITIONS (REAL*8)
C       N - NUMBER OF ELEMENTS IN CARPOS,DIODE, AND FIT (INTEGER)
C       COEF - COEFFICIENTS OF THE POLYNOMIAL (REAL*8)
C       ORDER - ORDER OF THE POLYNOMIAL (INTEGER)
C
C OUTPUT PARAMETERS
C
C       RMS - RMS ERROR OF THE FIT
C
C------------------------------------------------------------------------------
C     INCLUDE FILE FOR THE IRAF77 FORTRAN INTERFACE TO THE IRAF VOS
C
C
C     FILE I/O ACCESS MODES
C
      INTEGER   RDONLY
      PARAMETER (RDONLY = 1)
      INTEGER   RDWRIT
      PARAMETER (RDWRIT = 2)
      INTEGER   WRONLY
      PARAMETER (WRONLY = 3)
      INTEGER   APPEND
      PARAMETER (APPEND = 4)
C
C     CODES FOR DATA TYPES
C
      INTEGER   TYBOOL
      PARAMETER (TYBOOL = 1)
      INTEGER   TYCHAR
      PARAMETER (TYCHAR = 2)
      INTEGER   TYINT
      PARAMETER (TYINT = 4)
      INTEGER   TYREAL
      PARAMETER (TYREAL = 6)
      INTEGER   TYDOUB
      PARAMETER (TYDOUB = 7)
C
C     UMSPUT DESTINATIONS -- CB, DAO, 4-SEP-87
C
      INTEGER STDOUT
      PARAMETER (STDOUT = 1)
      INTEGER STDERR
      PARAMETER (STDERR = 2)
C
C     UHDAS HEADER PARM TYPES -- CB, DAO, 5-SEP-87
C
      INTEGER GENHDR
      PARAMETER (GENHDR = 0)
      INTEGER IMSPEC
      PARAMETER (IMSPEC = 1)
C
C     THIS SECTION IS FOR PARAMETERS RELEVANT TO TABLE I/O.
C
C     THESE MAY BE SET BY UTPPTI AND/OR READ BY UTPGTI:
C
C                                       LENGTH OF ROW (UNIT = SIZE OF REAL)
      INTEGER   TBRLEN
      PARAMETER (TBRLEN = 1)
C                                       INCREASE ROW LENGTH
      INTEGER   TBIRLN
      PARAMETER (TBIRLN = 2)
C                                       NUMBER OF ROWS TO ALLOCATE
      INTEGER   TBALLR
      PARAMETER (TBALLR = 3)
C                                       INCREASE ALLOC NUM OF ROWS
      INTEGER   TBIALR
      PARAMETER (TBIALR = 4)
C                                       WHICH TYPE OF TABLE? (ROW OR COLUMN)
      INTEGER   TBWTYP
      PARAMETER (TBWTYP = 5)
C                                       MAXIMUM NUMBER OF USER PARAMETERS
      INTEGER   TBMXPR
      PARAMETER (TBMXPR = 6)
C                                       MAXIMUM NUMBER OF COLUMNS
      INTEGER   TBMXCL
      PARAMETER (TBMXCL = 7)
C                                       TYPE = ROW-ORDERED TABLE
      INTEGER   TBTYPR
      PARAMETER (TBTYPR = 11)
C                                       TYPE = COLUMN-ORDERED TABLE
      INTEGER   TBTYPC
      PARAMETER (TBTYPC = 12)
C
C     THESE MAY BE READ BY UTPGTI BUT MAY NOT BE SET:
C
C                                       NUMBER OF ROWS WRITTEN TO
      INTEGER   TBNROW
      PARAMETER (TBNROW = 21)
C
C     END IRAF77.INC
        DOUBLE PRECISION CARPOS(1),DIODE(1),FIT(1),COEF(1),RMS
        INTEGER ORDER,N
C
C LOCAL VARIABLES
C
        DOUBLE PRECISION SUMSQ,DIFF
        CHARACTER*80 MESS
        INTEGER I,ISTAT
C
C-----------------------------------------------------------------------------
C
C INITIALIZATION AND TITLES
C
        SUMSQ=0
        CALL UMSPUT('  ',STDOUT,0,ISTAT)
        CALL UMSPUT(' car. pos.      diode       fit      residual',
     *                  STDOUT,0,ISTAT)
C
C LOOP ON ELEMENTS IN INPUT
C
        DO 100 I=1,N
                DIFF=DIODE(I)-FIT(I)
                SUMSQ=SUMSQ+DIFF**2
                WRITE(MESS,99)CARPOS(I),DIODE(I),FIT(I),DIFF
99              FORMAT(F10.0,F12.2,F12.2,F12.2)
                CALL UMSPUT(MESS,STDOUT,0,ISTAT)
100     CONTINUE
C
C COMPUTE RMS ERROR AND PRINT COEF.
C
        RMS=SQRT(SUMSQ/N)
        CALL UMSPUT(' ',STDOUT,0,ISTAT)
        CALL UMSPUT(' Coefficients of the fit',STDOUT,0,ISTAT)
        DO 200 I=1,ORDER+1
                WRITE(MESS,199)COEF(I)
199             FORMAT(G20.10)
                CALL UMSPUT(MESS,STDOUT,0,ISTAT)
200     CONTINUE
        WRITE(MESS,299)RMS
299     FORMAT(' RMS error of fit =',F9.2,' Diodes')
        CALL UMSPUT(MESS,STDOUT,0,ISTAT)
        RETURN
        END