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Check for NaNs in *GECON #765

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Merged
merged 1 commit into from
Nov 23, 2022
Merged

Check for NaNs in *GECON #765

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7 changes: 4 additions & 3 deletions SRC/cgecon.f
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@
*> INFO is INTEGER
*> = 0: successful exit
*> < 0: if INFO = -i, the i-th argument had an illegal value
*> =-5: if ANORM is NAN or negative.
*> \endverbatim
*
* Authors:
Expand Down Expand Up @@ -153,10 +154,10 @@ SUBROUTINE CGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, RWORK,
INTEGER ISAVE( 3 )
* ..
* .. External Functions ..
LOGICAL LSAME
LOGICAL LSAME, SISNAN
INTEGER ICAMAX
REAL SLAMCH
EXTERNAL LSAME, ICAMAX, SLAMCH
EXTERNAL LSAME, ICAMAX, SLAMCH, SISNAN
* ..
* .. External Subroutines ..
EXTERNAL CLACN2, CLATRS, CSRSCL, XERBLA
Expand All @@ -182,7 +183,7 @@ SUBROUTINE CGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, RWORK,
INFO = -2
ELSE IF( LDA.LT.MAX( 1, N ) ) THEN
INFO = -4
ELSE IF( ANORM.LT.ZERO ) THEN
ELSE IF( ANORM.LT.ZERO .OR. SISNAN( ANORM ) ) THEN
INFO = -5
END IF
IF( INFO.NE.0 ) THEN
Expand Down
7 changes: 4 additions & 3 deletions SRC/dgecon.f
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@
*> INFO is INTEGER
*> = 0: successful exit
*> < 0: if INFO = -i, the i-th argument had an illegal value
*> =-5: if ANORM is NAN or negative.
*> \endverbatim
*
* Authors:
Expand Down Expand Up @@ -152,10 +153,10 @@ SUBROUTINE DGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, IWORK,
INTEGER ISAVE( 3 )
* ..
* .. External Functions ..
LOGICAL LSAME
LOGICAL LSAME, DISNAN
INTEGER IDAMAX
DOUBLE PRECISION DLAMCH
EXTERNAL LSAME, IDAMAX, DLAMCH
EXTERNAL LSAME, IDAMAX, DLAMCH, DISNAN
* ..
* .. External Subroutines ..
EXTERNAL DLACN2, DLATRS, DRSCL, XERBLA
Expand All @@ -175,7 +176,7 @@ SUBROUTINE DGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, IWORK,
INFO = -2
ELSE IF( LDA.LT.MAX( 1, N ) ) THEN
INFO = -4
ELSE IF( ANORM.LT.ZERO ) THEN
ELSE IF( ANORM.LT.ZERO .OR. DISNAN( ANORM ) ) THEN
INFO = -5
END IF
IF( INFO.NE.0 ) THEN
Expand Down
7 changes: 4 additions & 3 deletions SRC/sgecon.f
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@
*> INFO is INTEGER
*> = 0: successful exit
*> < 0: if INFO = -i, the i-th argument had an illegal value
*> =-5: if ANORM is NAN or negative.
*> \endverbatim
*
* Authors:
Expand Down Expand Up @@ -152,10 +153,10 @@ SUBROUTINE SGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, IWORK,
INTEGER ISAVE( 3 )
* ..
* .. External Functions ..
LOGICAL LSAME
LOGICAL LSAME, SISNAN
INTEGER ISAMAX
REAL SLAMCH
EXTERNAL LSAME, ISAMAX, SLAMCH
EXTERNAL LSAME, ISAMAX, SLAMCH, SISNAN
* ..
* .. External Subroutines ..
EXTERNAL SLACN2, SLATRS, SRSCL, XERBLA
Expand All @@ -175,7 +176,7 @@ SUBROUTINE SGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, IWORK,
INFO = -2
ELSE IF( LDA.LT.MAX( 1, N ) ) THEN
INFO = -4
ELSE IF( ANORM.LT.ZERO ) THEN
ELSE IF( ANORM.LT.ZERO .OR. SISNAN( ANORM ) ) THEN
INFO = -5
END IF
IF( INFO.NE.0 ) THEN
Expand Down
7 changes: 4 additions & 3 deletions SRC/zgecon.f
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@
*> INFO is INTEGER
*> = 0: successful exit
*> < 0: if INFO = -i, the i-th argument had an illegal value
*> =-5: if ANORM is NAN or negative.
*> \endverbatim
*
* Authors:
Expand Down Expand Up @@ -153,10 +154,10 @@ SUBROUTINE ZGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, RWORK,
INTEGER ISAVE( 3 )
* ..
* .. External Functions ..
LOGICAL LSAME
LOGICAL LSAME, DISNAN
INTEGER IZAMAX
DOUBLE PRECISION DLAMCH
EXTERNAL LSAME, IZAMAX, DLAMCH
EXTERNAL LSAME, IZAMAX, DLAMCH, DISNAN
* ..
* .. External Subroutines ..
EXTERNAL XERBLA, ZDRSCL, ZLACN2, ZLATRS
Expand All @@ -182,7 +183,7 @@ SUBROUTINE ZGECON( NORM, N, A, LDA, ANORM, RCOND, WORK, RWORK,
INFO = -2
ELSE IF( LDA.LT.MAX( 1, N ) ) THEN
INFO = -4
ELSE IF( ANORM.LT.ZERO ) THEN
ELSE IF( ANORM.LT.ZERO .OR. DISNAN( ANORM ) ) THEN
INFO = -5
END IF
IF( INFO.NE.0 ) THEN
Expand Down