LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ lderes()

logical function lderes ( character*2  TYPE,
character*1  UPLO,
integer  M,
integer  N,
double precision, dimension( lda, * )  AA,
double precision, dimension( lda, * )  AS,
integer  LDA 
)

Definition at line 2786 of file c_dblat2.f.

2787*
2788* Tests if selected elements in two arrays are equal.
2789*
2790* TYPE is 'ge', 'sy' or 'sp'.
2791*
2792* Auxiliary routine for test program for Level 2 Blas.
2793*
2794* -- Written on 10-August-1987.
2795* Richard Hanson, Sandia National Labs.
2796* Jeremy Du Croz, NAG Central Office.
2797*
2798* .. Scalar Arguments ..
2799 INTEGER LDA, M, N
2800 CHARACTER*1 UPLO
2801 CHARACTER*2 TYPE
2802* .. Array Arguments ..
2803 DOUBLE PRECISION AA( LDA, * ), AS( LDA, * )
2804* .. Local Scalars ..
2805 INTEGER I, IBEG, IEND, J
2806 LOGICAL UPPER
2807* .. Executable Statements ..
2808 upper = uplo.EQ.'U'
2809 IF( type.EQ.'ge' )THEN
2810 DO 20 j = 1, n
2811 DO 10 i = m + 1, lda
2812 IF( aa( i, j ).NE.as( i, j ) )
2813 $ GO TO 70
2814 10 CONTINUE
2815 20 CONTINUE
2816 ELSE IF( type.EQ.'sy' )THEN
2817 DO 50 j = 1, n
2818 IF( upper )THEN
2819 ibeg = 1
2820 iend = j
2821 ELSE
2822 ibeg = j
2823 iend = n
2824 END IF
2825 DO 30 i = 1, ibeg - 1
2826 IF( aa( i, j ).NE.as( i, j ) )
2827 $ GO TO 70
2828 30 CONTINUE
2829 DO 40 i = iend + 1, lda
2830 IF( aa( i, j ).NE.as( i, j ) )
2831 $ GO TO 70
2832 40 CONTINUE
2833 50 CONTINUE
2834 END IF
2835*
2836 60 CONTINUE
2837 lderes = .true.
2838 GO TO 80
2839 70 CONTINUE
2840 lderes = .false.
2841 80 RETURN
2842*
2843* End of LDERES.
2844*
logical function lderes(TYPE, UPLO, M, N, AA, AS, LDA)
Definition: dblat2.f:3000
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