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-rw-r--r--SRC/zlange.f16
1 files changed, 9 insertions, 7 deletions
diff --git a/SRC/zlange.f b/SRC/zlange.f
index 4fcd0eed..56e0bc6d 100644
--- a/SRC/zlange.f
+++ b/SRC/zlange.f
@@ -137,17 +137,17 @@
* ..
* .. Local Scalars ..
INTEGER I, J
- DOUBLE PRECISION SCALE, SUM, VALUE
+ DOUBLE PRECISION SCALE, SUM, VALUE, TEMP
* ..
* .. External Functions ..
- LOGICAL LSAME
- EXTERNAL LSAME
+ LOGICAL LSAME, DISNAN
+ EXTERNAL LSAME, DISNAN
* ..
* .. External Subroutines ..
EXTERNAL ZLASSQ
* ..
* .. Intrinsic Functions ..
- INTRINSIC ABS, MAX, MIN, SQRT
+ INTRINSIC ABS, MIN, SQRT
* ..
* .. Executable Statements ..
*
@@ -160,7 +160,8 @@
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
@@ -173,7 +174,7 @@
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
*
@@ -189,7 +190,8 @@
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
*