LAPACK 3.12.0
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 2350 of file c_dblat3.f.

2351*
2352* Tests if selected elements in two arrays are equal.
2353*
2354* TYPE is 'GE' or 'SY'.
2355*
2356* Auxiliary routine for test program for Level 3 Blas.
2357*
2358* -- Written on 8-February-1989.
2359* Jack Dongarra, Argonne National Laboratory.
2360* Iain Duff, AERE Harwell.
2361* Jeremy Du Croz, Numerical Algorithms Group Ltd.
2362* Sven Hammarling, Numerical Algorithms Group Ltd.
2363*
2364* .. Scalar Arguments ..
2365 INTEGER LDA, M, N
2366 CHARACTER*1 UPLO
2367 CHARACTER*2 TYPE
2368* .. Array Arguments ..
2369 DOUBLE PRECISION AA( LDA, * ), AS( LDA, * )
2370* .. Local Scalars ..
2371 INTEGER I, IBEG, IEND, J
2372 LOGICAL UPPER
2373* .. Executable Statements ..
2374 upper = uplo.EQ.'U'
2375 IF( type.EQ.'GE' )THEN
2376 DO 20 j = 1, n
2377 DO 10 i = m + 1, lda
2378 IF( aa( i, j ).NE.as( i, j ) )
2379 $ GO TO 70
2380 10 CONTINUE
2381 20 CONTINUE
2382 ELSE IF( type.EQ.'SY' )THEN
2383 DO 50 j = 1, n
2384 IF( upper )THEN
2385 ibeg = 1
2386 iend = j
2387 ELSE
2388 ibeg = j
2389 iend = n
2390 END IF
2391 DO 30 i = 1, ibeg - 1
2392 IF( aa( i, j ).NE.as( i, j ) )
2393 $ GO TO 70
2394 30 CONTINUE
2395 DO 40 i = iend + 1, lda
2396 IF( aa( i, j ).NE.as( i, j ) )
2397 $ GO TO 70
2398 40 CONTINUE
2399 50 CONTINUE
2400 END IF
2401*
2402 60 CONTINUE
2403 lderes = .true.
2404 GO TO 80
2405 70 CONTINUE
2406 lderes = .false.
2407 80 RETURN
2408*
2409* End of LDERES.
2410*
logical function lderes(type, uplo, m, n, aa, as, lda)
Definition dblat2.f:3000
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