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Reject NB=0 in input of DLASWLQ (Reference-LAPACK PR 1275) #5854

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Reject NB=0 in input of DLASWLQ (Reference-LAPACK PR 1275) #5854

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3 changes: 2 additions & 1 deletion lapack-netlib/SRC/dlaswlq.f
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,7 @@
* =====================================================================
SUBROUTINE DLASWLQ( M, N, MB, NB, A, LDA, T, LDT, WORK, LWORK,
$ INFO )
IMPLICIT NONE
*
* -- LAPACK computational routine --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
Expand Down Expand Up @@ -217,7 +218,7 @@ SUBROUTINE DLASWLQ( M, N, MB, NB, A, LDA, T, LDT, WORK, LWORK,
INFO = -2
ELSE IF( MB.LT.1 .OR. ( MB.GT.M .AND. M.GT.0 ) ) THEN
INFO = -3
ELSE IF( NB.LT.0 ) THEN
ELSE IF( NB.LE.0 ) THEN
INFO = -4
ELSE IF( LDA.LT.MAX( 1, M ) ) THEN
INFO = -6
Expand Down
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