|
PROGRAM TEST
|
IMPLICIT NONE
|
C
|
REAL RZERO
|
COMPLEX ONE
|
INTEGER LENGTA, N
|
PARAMETER (N = 3)
|
PARAMETER (LENGTA = (N * N + N) / 2)
|
PARAMETER (RZERO = 0.0E0)
|
C
|
COMPLEX AP(LENGTA), X(N), Y(N)
|
INTEGER I
|
C
|
EXTERNAL CHPR2
|
INTRINSIC CMPLX, CONJG, REAL
|
C
|
C Initialize the array AP to store in packed Hermitian form
|
C the matrix A shown below. Initialize the arrays X and Y
|
C to store the vectors x and y shown below.
|
C
|
C 1+0i 2+3i 5+6i 1-1i 4-4i
|
C A = 2-3i 4+0i 7+8i x = 2-2i y = 4-4i
|
C 5-6i 7-8i 9+0i 3-3i 4-4i
|
C
|
DATA AP / (1.0,8E8), (2.0,3.0), (4.0,8E8),
|
$ (5.0,6.0), (7.0,8.0), (9.0,8E8) /
|
DATA X / (1.0,-1.0), (2.0,-2.0), (3.0,-3.0) /
|
DATA Y / (4.0,-4.0), (4.0,-4.0), (4.0,-4.0) /
|
C
|
PRINT 1000
|
PRINT 1010, REAL (AP(1)), RZERO, AP(2), AP(4)
|
PRINT 1010, CONJG (AP(2)), REAL (AP(3)), RZERO, AP(5)
|
PRINT 1010, CONJG (AP(4)), CONJG (AP(5)), REAL (AP(6)),
|
$ RZERO
|
PRINT 1020
|
PRINT 1030, AP
|
PRINT 1040
|
DO 20, I = 1, N
|
PRINT 1050, X(I), Y(I)
|
20 CONTINUE
|
CALL CHPR2 ('UPPER TRIANGULAR A', N, ONE, X, 1, Y, 1, AP)
|
PRINT 1060
|
PRINT 1010, REAL (AP(1)), RZERO, AP(2), AP(4)
|
PRINT 1010, CONJG (AP(2)), REAL (AP(3)), RZERO, AP(5)
|
PRINT 1010, CONJG (AP(4)), CONJG (AP(5)), REAL (AP(6)),
|
$ RZERO
|
C
|
1000 FORMAT (1X, 'A in full form:')
|
1010 FORMAT (1X, 3(2X, '(', F5.1, ',', F5.1, ')'))
|
1020 FORMAT (/1X, 'A in packed form: (* in unused elements)')
|
1030 FORMAT (4(: 3X, '(', F5.1, ',', F5.1, ')'))
|
1040 FORMAT (/10X, 'x ', 13X, 'y')
|
1050 FORMAT (1X, 2(2X, '(', F5.1, ',', F5.1, ')'))
|
1060 FORMAT (/1X, 'A + xy'' + yx'':')
|
C
|
END
|
|