diff options
Diffstat (limited to 'SRC/dlange.f')
| -rw-r--r-- | SRC/dlange.f | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/SRC/dlange.f b/SRC/dlange.f index d2118974..9dd9af33 100644 --- a/SRC/dlange.f +++ b/SRC/dlange.f @@ -135,17 +135,17 @@ * .. * .. Local Scalars .. INTEGER I, J - DOUBLE PRECISION SCALE, SUM, VALUE + DOUBLE PRECISION SCALE, SUM, VALUE, TEMP * .. * .. External Subroutines .. EXTERNAL DLASSQ * .. * .. External Functions .. - LOGICAL LSAME - EXTERNAL LSAME + LOGICAL LSAME, DISNAN + EXTERNAL LSAME, DISNAN * .. * .. Intrinsic Functions .. - INTRINSIC ABS, MAX, MIN, SQRT + INTRINSIC ABS, MIN, SQRT * .. * .. Executable Statements .. * @@ -158,7 +158,8 @@ VALUE = ZERO DO 20 J = 1, N DO 10 I = 1, M - VALUE = MAX( VALUE, ABS( A( I, J ) ) ) + TEMP = ABS( A( I, J ) ) + IF( VALUE.LT.TEMP .OR. DISNAN( TEMP ) ) VALUE = TEMP 10 CONTINUE 20 CONTINUE ELSE IF( ( LSAME( NORM, 'O' ) ) .OR. ( NORM.EQ.'1' ) ) THEN @@ -171,7 +172,7 @@ DO 30 I = 1, M SUM = SUM + ABS( A( I, J ) ) 30 CONTINUE - VALUE = MAX( VALUE, SUM ) + IF( VALUE.LT.SUM .OR. DISNAN( SUM ) ) VALUE = SUM 40 CONTINUE ELSE IF( LSAME( NORM, 'I' ) ) THEN * @@ -187,7 +188,8 @@ 70 CONTINUE VALUE = ZERO DO 80 I = 1, M - VALUE = MAX( VALUE, WORK( I ) ) + TEMP = WORK( I ) + IF( VALUE.LT.TEMP .OR. DISNAN( TEMP ) ) VALUE = TEMP 80 CONTINUE ELSE IF( ( LSAME( NORM, 'F' ) ) .OR. ( LSAME( NORM, 'E' ) ) ) THEN * |