fortran

      SUBROUTINE PLT(Y, IERY, MXROW, NPTS, NVEC, CMD, NCMD, IER)
      REAL      Y(*)
      INTEGER   IERY(*), MXROW, NPTS, NVEC, NCMD, IER
      CHARACTER CMD(*)*(*)
C---
C General plot subroutine.
C---
C Y(*)      I    The data array.  The array should be dimensioned
C                Y(MXROW,MXCOL) where MXROW and MXCOL are the actual
C                sizes of the arrays in the calling program.
C                MXCOL=NVEC+NSERR+2*NTERR  where NSERR is the number
C                of vectors that have symmetric errors and NTERR
C                is the number of vectors that have two-sided errors.
C IERY(*)   I    =-1 plot errors as SQRT(Y)
C                = 0 no errors.
C                =+1 explicit symmetric errors.
C                =+2 for two-sided errors
C MXROW     I    The actual first dimension of the Y array.
C NPTS      I    The number of points to plot (NPTS<=MXROW).
C NVEC      I    The number of vectors to be plotted.
C CMD(*)    I    Array of commands.
C NCMD      I    Number of commands.
C IER         O  Error flag, =-1 if user entered EOF, =0 otherwise.

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