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PROGRAM TEST
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IMPLICIT NONE
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C
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REAL RZERO
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INTEGER LDA, N
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PARAMETER (N = 3)
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PARAMETER (LDA = N)
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PARAMETER (RZERO = 0.0E0)
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C
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COMPLEX A(LDA,N), X(N), Y(N)
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INTEGER I, J
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C
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EXTERNAL CHER2
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INTRINSIC CONJG, REAL
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C
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C Initialize the array A to store in symmetric form the
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C Hermitian matrix A shown below. Initialize the arrays
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C X and Y to store the vectors x and y shown below.
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C
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C 1+0i 2+3i 5+6i 1-1i 4-4i
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C A = 2-3i 4+0i 7+8i x = 2-2i y = 4-4i
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C 5-6i 7-8i 9+0i 3-3i 4-4i
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C
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DATA A / (1.0,8E8), (8E8,8E8), (8E8,8E8),
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$ (2.0,3.0), (4.0,8E8), (8E8,8E8),
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$ (5.0,6.0), (7.0,8.0), (9.0,8E8) /
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DATA X / (1.0,-1.0), (2.0,-2.0), (3.0,-3.0) /
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DATA Y / (4.0,-4.0), (4.0,-4.0), (4.0,-4.0) /
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C
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PRINT 1000
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DO 100, I = 1, N
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PRINT 1010, (A(J,I), J = 1, I - 1), REAL(A(I,I)), RZERO,
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$ (CONJG(A(I,J)), J = I + 1, N)
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100 CONTINUE
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PRINT 1020
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DO 110, I = 1, N
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PRINT 1010, (A(I,J), J = 1, N)
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110 CONTINUE
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PRINT 1030
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DO 120, I = 1, N
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PRINT 1040, X(I), Y(I)
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120 CONTINUE
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CALL CHER2 ('UPPER TRIANGULAR A', 3, 1.0D0, X, 1, Y, 1,
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$ A, 3)
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PRINT 1050
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DO 130, I = 1, N
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PRINT 1010, (A(J,I), J = 1, I - 1), REAL(A(I,I)), RZERO,
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$ (CONJG(A(I,J)), J = I + 1, N)
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130 CONTINUE
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C
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1000 FORMAT (1X, 'A in full form:')
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1010 FORMAT (1X, 3(2X, '(', F5.1, ',', F5.1, ')'))
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1020 FORMAT (/1X, 'A in Hermitian form: (* in unused elements)')
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1030 FORMAT (/10X, 'x ', 13X, 'y')
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1040 FORMAT (1X, 2(2X, '(', F5.1, ',', F5.1, ')'))
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1050 FORMAT (/1X, 'A + xy'' + yx''')
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C
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END
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