diff options
Diffstat (limited to 'SRC')
-rw-r--r-- | SRC/clahef.f | 10 | ||||
-rw-r--r-- | SRC/clasyf.f | 10 | ||||
-rw-r--r-- | SRC/dlasyf.f | 10 | ||||
-rw-r--r-- | SRC/slasyf.f | 10 | ||||
-rw-r--r-- | SRC/zlahef.f | 10 | ||||
-rw-r--r-- | SRC/zlasyf.f | 8 |
6 files changed, 34 insertions, 24 deletions
diff --git a/SRC/clahef.f b/SRC/clahef.f index 5007928e..9ba5694b 100644 --- a/SRC/clahef.f +++ b/SRC/clahef.f @@ -269,7 +269,8 @@ ABSAKK = ABS( REAL( W( K, KW ) ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.GT.1 ) THEN IMAX = ICAMAX( K-1, W( 1, KW ), 1 ) @@ -280,7 +281,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K @@ -584,7 +585,8 @@ ABSAKK = ABS( REAL( W( K, K ) ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.LT.N ) THEN IMAX = K + ICAMAX( N-K, W( K+1, K ), 1 ) @@ -595,7 +597,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K diff --git a/SRC/clasyf.f b/SRC/clasyf.f index c091dfd5..6dd8c07d 100644 --- a/SRC/clasyf.f +++ b/SRC/clasyf.f @@ -266,7 +266,8 @@ ABSAKK = CABS1( W( K, KW ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.GT.1 ) THEN IMAX = ICAMAX( K-1, W( 1, KW ), 1 ) @@ -277,7 +278,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K @@ -561,7 +562,8 @@ ABSAKK = CABS1( W( K, K ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.LT.N ) THEN IMAX = K + ICAMAX( N-K, W( K+1, K ), 1 ) @@ -572,7 +574,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K diff --git a/SRC/dlasyf.f b/SRC/dlasyf.f index 84a4a300..3f1d65fe 100644 --- a/SRC/dlasyf.f +++ b/SRC/dlasyf.f @@ -257,7 +257,8 @@ ABSAKK = ABS( W( K, KW ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.GT.1 ) THEN IMAX = IDAMAX( K-1, W( 1, KW ), 1 ) @@ -268,7 +269,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K @@ -552,7 +553,8 @@ ABSAKK = ABS( W( K, K ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.LT.N ) THEN IMAX = K + IDAMAX( N-K, W( K+1, K ), 1 ) @@ -563,7 +565,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K diff --git a/SRC/slasyf.f b/SRC/slasyf.f index d6fdfd3f..d5fd6b5b 100644 --- a/SRC/slasyf.f +++ b/SRC/slasyf.f @@ -257,7 +257,8 @@ ABSAKK = ABS( W( K, KW ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.GT.1 ) THEN IMAX = ISAMAX( K-1, W( 1, KW ), 1 ) @@ -268,7 +269,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K @@ -552,7 +553,8 @@ ABSAKK = ABS( W( K, K ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.LT.N ) THEN IMAX = K + ISAMAX( N-K, W( K+1, K ), 1 ) @@ -563,7 +565,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K diff --git a/SRC/zlahef.f b/SRC/zlahef.f index c552401c..b7d5e47a 100644 --- a/SRC/zlahef.f +++ b/SRC/zlahef.f @@ -269,7 +269,8 @@ ABSAKK = ABS( DBLE( W( K, KW ) ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.GT.1 ) THEN IMAX = IZAMAX( K-1, W( 1, KW ), 1 ) @@ -280,7 +281,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K @@ -592,7 +593,8 @@ ABSAKK = ABS( DBLE( W( K, K ) ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value +* column K, and COLMAX is its absolute value. +* Determine both COLMAX and IMAX. * IF( K.LT.N ) THEN IMAX = K + IZAMAX( N-K, W( K+1, K ), 1 ) @@ -603,7 +605,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K diff --git a/SRC/zlasyf.f b/SRC/zlasyf.f index a50b8cf1..4cd32298 100644 --- a/SRC/zlasyf.f +++ b/SRC/zlasyf.f @@ -266,7 +266,7 @@ ABSAKK = CABS1( W( K, KW ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value + * IF( K.GT.1 ) THEN IMAX = IZAMAX( K-1, W( 1, KW ), 1 ) @@ -277,7 +277,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K @@ -561,7 +561,7 @@ ABSAKK = CABS1( W( K, K ) ) * * IMAX is the row-index of the largest off-diagonal element in -* column K, and COLMAX is its absolute value + * IF( K.LT.N ) THEN IMAX = K + IZAMAX( N-K, W( K+1, K ), 1 ) @@ -572,7 +572,7 @@ * IF( MAX( ABSAKK, COLMAX ).EQ.ZERO ) THEN * -* Column K is zero: set INFO and continue +* Column K is zero or underflow: set INFO and continue * IF( INFO.EQ.0 ) $ INFO = K |