ZDRVRF4 tests the LAPACK RFP routines:
     ZHFRK

NOUT

          NOUT is INTEGER
                The unit number for output.

NN

          NN is INTEGER
                The number of values of N contained in the vector NVAL.

NVAL

          NVAL is INTEGER array, dimension (NN)
                The values of the matrix dimension N.

THRESH

          THRESH is DOUBLE PRECISION
                The threshold value for the test ratios.  A result is
                included in the output file if RESULT >= THRESH.  To have
                every test ratio printed, use THRESH = 0.

C1

          C1 is COMPLEX*16 array, dimension (LDC,NMAX)

C2

          C2 is COMPLEX*16 array, dimension (LDC,NMAX)

LDC

          LDC is INTEGER
                The leading dimension of the array A.  LDA >= max(1,NMAX).

CRF

          CRF is COMPLEX*16 array, dimension ((NMAX*(NMAX+1))/2).

A

          A is COMPLEX*16 array, dimension (LDA,NMAX)

LDA

          LDA is INTEGER
                The leading dimension of the array A.  LDA >= max(1,NMAX).

D_WORK_ZLANGE

          D_WORK_ZLANGE is DOUBLE PRECISION array, dimension (NMAX)

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