--- rpl/lapack/lapack/zgebal.f 2012/08/22 09:48:29 1.11
+++ rpl/lapack/lapack/zgebal.f 2017/06/17 10:54:08 1.17
@@ -2,24 +2,24 @@
*
* =========== 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 ZGEBAL + dependencies
-*>
-*> [TGZ]
-*>
-*> [ZIP]
-*>
+*> Download ZGEBAL + dependencies
+*>
+*> [TGZ]
+*>
+*> [ZIP]
+*>
*> [TXT]
-*> \endhtmlonly
+*> \endhtmlonly
*
* Definition:
* ===========
*
* SUBROUTINE ZGEBAL( JOB, N, A, LDA, ILO, IHI, SCALE, INFO )
-*
+*
* .. Scalar Arguments ..
* CHARACTER JOB
* INTEGER IHI, ILO, INFO, LDA, N
@@ -28,7 +28,7 @@
* DOUBLE PRECISION SCALE( * )
* COMPLEX*16 A( LDA, * )
* ..
-*
+*
*
*> \par Purpose:
* =============
@@ -116,12 +116,12 @@
* 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 complex16GEcomputational
*
@@ -160,10 +160,10 @@
* =====================================================================
SUBROUTINE ZGEBAL( JOB, N, A, LDA, ILO, IHI, SCALE, INFO )
*
-* -- LAPACK computational routine (version 3.4.0) --
+* -- LAPACK computational 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 JOB
@@ -189,27 +189,18 @@
INTEGER I, ICA, IEXC, IRA, J, K, L, M
DOUBLE PRECISION C, CA, F, G, R, RA, S, SFMAX1, SFMAX2, SFMIN1,
$ SFMIN2
- COMPLEX*16 CDUM
* ..
* .. External Functions ..
LOGICAL DISNAN, LSAME
INTEGER IZAMAX
- DOUBLE PRECISION DLAMCH
- EXTERNAL DISNAN, LSAME, IZAMAX, DLAMCH
+ DOUBLE PRECISION DLAMCH, DZNRM2
+ EXTERNAL DISNAN, LSAME, IZAMAX, DLAMCH, DZNRM2
* ..
* .. External Subroutines ..
EXTERNAL XERBLA, ZDSCAL, ZSWAP
* ..
* .. Intrinsic Functions ..
INTRINSIC ABS, DBLE, DIMAG, MAX, MIN
-* ..
-* .. Statement Functions ..
- DOUBLE PRECISION CABS1
-* ..
-* .. Statement Function definitions ..
- CABS1( CDUM ) = ABS( DBLE( CDUM ) ) + ABS( DIMAG( CDUM ) )
-* ..
-* .. Executable Statements ..
*
* Test the input parameters
*
@@ -324,15 +315,9 @@
NOCONV = .FALSE.
*
DO 200 I = K, L
- C = ZERO
- R = ZERO
*
- DO 150 J = K, L
- IF( J.EQ.I )
- $ GO TO 150
- C = C + CABS1( A( J, I ) )
- R = R + CABS1( A( I, J ) )
- 150 CONTINUE
+ C = DZNRM2( L-K+1, A( K, I ), 1 )
+ R = DZNRM2( L-K+1, A( I, K ), LDA )
ICA = IZAMAX( L, A( 1, I ), 1 )
CA = ABS( A( ICA, I ) )
IRA = IZAMAX( N-K+1, A( I, K ), LDA )