--- rpl/lapack/lapack/dgetf2.f 2016/08/27 15:34:23 1.14 +++ rpl/lapack/lapack/dgetf2.f 2017/06/17 10:53:49 1.15 @@ -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 DGETF2 + dependencies -*> -*> [TGZ] -*> -*> [ZIP] -*> +*> Download DGETF2 + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> *> [TXT] -*> \endhtmlonly +*> \endhtmlonly * * Definition: * =========== * * SUBROUTINE DGETF2( M, N, A, LDA, IPIV, INFO ) -* +* * .. Scalar Arguments .. * INTEGER INFO, LDA, M, N * .. @@ -27,7 +27,7 @@ * INTEGER IPIV( * ) * DOUBLE PRECISION A( LDA, * ) * .. -* +* * *> \par Purpose: * ============= @@ -96,22 +96,22 @@ * 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 September 2012 +*> \date December 2016 * *> \ingroup doubleGEcomputational * * ===================================================================== SUBROUTINE DGETF2( M, N, A, LDA, IPIV, INFO ) * -* -- LAPACK computational routine (version 3.4.2) -- +* -- 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..-- -* September 2012 +* December 2016 * * .. Scalar Arguments .. INTEGER INFO, LDA, M, N @@ -128,11 +128,11 @@ PARAMETER ( ONE = 1.0D+0, ZERO = 0.0D+0 ) * .. * .. Local Scalars .. - DOUBLE PRECISION SFMIN + DOUBLE PRECISION SFMIN INTEGER I, J, JP * .. * .. External Functions .. - DOUBLE PRECISION DLAMCH + DOUBLE PRECISION DLAMCH INTEGER IDAMAX EXTERNAL DLAMCH, IDAMAX * .. @@ -164,9 +164,9 @@ IF( M.EQ.0 .OR. N.EQ.0 ) $ RETURN * -* Compute machine safe minimum -* - SFMIN = DLAMCH('S') +* Compute machine safe minimum +* + SFMIN = DLAMCH('S') * DO 10 J = 1, MIN( M, N ) * @@ -183,15 +183,15 @@ * * Compute elements J+1:M of J-th column. * - IF( J.LT.M ) THEN - IF( ABS(A( J, J )) .GE. SFMIN ) THEN - CALL DSCAL( M-J, ONE / A( J, J ), A( J+1, J ), 1 ) - ELSE - DO 20 I = 1, M-J - A( J+I, J ) = A( J+I, J ) / A( J, J ) - 20 CONTINUE - END IF - END IF + IF( J.LT.M ) THEN + IF( ABS(A( J, J )) .GE. SFMIN ) THEN + CALL DSCAL( M-J, ONE / A( J, J ), A( J+1, J ), 1 ) + ELSE + DO 20 I = 1, M-J + A( J+I, J ) = A( J+I, J ) / A( J, J ) + 20 CONTINUE + END IF + END IF * ELSE IF( INFO.EQ.0 ) THEN *