--- rpl/lapack/lapack/dstein.f 2012/08/22 09:48:25 1.10 +++ rpl/lapack/lapack/dstein.f 2017/06/17 11:06:33 1.16 @@ -2,25 +2,25 @@ * * =========== 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 DSTEIN + dependencies -*> -*> [TGZ] -*> -*> [ZIP] -*> +*> Download DSTEIN + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> *> [TXT] -*> \endhtmlonly +*> \endhtmlonly * * Definition: * =========== * * SUBROUTINE DSTEIN( N, D, E, M, W, IBLOCK, ISPLIT, Z, LDZ, WORK, * IWORK, IFAIL, INFO ) -* +* * .. Scalar Arguments .. * INTEGER INFO, LDZ, M, N * .. @@ -29,7 +29,7 @@ * $ IWORK( * ) * DOUBLE PRECISION D( * ), E( * ), W( * ), WORK( * ), Z( LDZ, * ) * .. -* +* * *> \par Purpose: * ============= @@ -161,12 +161,12 @@ * 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 doubleOTHERcomputational * @@ -174,10 +174,10 @@ SUBROUTINE DSTEIN( N, D, E, M, W, IBLOCK, ISPLIT, Z, LDZ, WORK, $ IWORK, IFAIL, 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 .. INTEGER INFO, LDZ, M, N @@ -209,8 +209,8 @@ * .. * .. External Functions .. INTEGER IDAMAX - DOUBLE PRECISION DASUM, DDOT, DLAMCH, DNRM2 - EXTERNAL IDAMAX, DASUM, DDOT, DLAMCH, DNRM2 + DOUBLE PRECISION DDOT, DLAMCH, DNRM2 + EXTERNAL IDAMAX, DDOT, DLAMCH, DNRM2 * .. * .. External Subroutines .. EXTERNAL DAXPY, DCOPY, DLAGTF, DLAGTS, DLARNV, DSCAL, @@ -297,7 +297,7 @@ BLKSIZ = BN - B1 + 1 IF( BLKSIZ.EQ.1 ) $ GO TO 60 - GPIND = B1 + GPIND = J1 * * Compute reorthogonalization criterion and stopping criterion. * @@ -370,9 +370,10 @@ * * Normalize and scale the righthand side vector Pb. * + JMAX = IDAMAX( BLKSIZ, WORK( INDRV1+1 ), 1 ) SCL = BLKSIZ*ONENRM*MAX( EPS, $ ABS( WORK( INDRV4+BLKSIZ ) ) ) / - $ DASUM( BLKSIZ, WORK( INDRV1+1 ), 1 ) + $ ABS( WORK( INDRV1+JMAX ) ) CALL DSCAL( BLKSIZ, SCL, WORK( INDRV1+1 ), 1 ) * * Solve the system LU = Pb.