--- rpl/lapack/lapack/dlange.f 2011/11/21 20:42:56 1.8
+++ rpl/lapack/lapack/dlange.f 2017/06/17 10:53:54 1.15
@@ -1,25 +1,25 @@
-*> \brief \b DLANGE
+*> \brief \b DLANGE returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value of any element of a general rectangular matrix.
*
* =========== DOCUMENTATION ===========
*
-* Online html documentation available at
-* http://www.netlib.org/lapack/explore-html/
+* Online html documentation available at
+* http://www.netlib.org/lapack/explore-html/
*
*> \htmlonly
-*> Download DLANGE + dependencies
-*>
-*> [TGZ]
-*>
-*> [ZIP]
-*>
+*> Download DLANGE + dependencies
+*>
+*> [TGZ]
+*>
+*> [ZIP]
+*>
*> [TXT]
-*> \endhtmlonly
+*> \endhtmlonly
*
* Definition:
* ===========
*
* DOUBLE PRECISION FUNCTION DLANGE( NORM, M, N, A, LDA, WORK )
-*
+*
* .. Scalar Arguments ..
* CHARACTER NORM
* INTEGER LDA, M, N
@@ -27,7 +27,7 @@
* .. Array Arguments ..
* DOUBLE PRECISION A( LDA, * ), WORK( * )
* ..
-*
+*
*
*> \par Purpose:
* =============
@@ -102,22 +102,22 @@
* Authors:
* ========
*
-*> \author Univ. of Tennessee
-*> \author Univ. of California Berkeley
-*> \author Univ. of Colorado Denver
-*> \author NAG Ltd.
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
*
-*> \date November 2011
+*> \date December 2016
*
*> \ingroup doubleGEauxiliary
*
* =====================================================================
DOUBLE PRECISION FUNCTION DLANGE( NORM, M, N, A, LDA, WORK )
*
-* -- LAPACK auxiliary routine (version 3.4.0) --
+* -- LAPACK auxiliary routine (version 3.7.0) --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-* November 2011
+* December 2016
*
* .. Scalar Arguments ..
CHARACTER NORM
@@ -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
*