--- rpl/lapack/lapack/dla_syrfsx_extended.f 2016/08/27 15:34:25 1.12 +++ rpl/lapack/lapack/dla_syrfsx_extended.f 2017/06/17 10:53:52 1.13 @@ -2,18 +2,18 @@ * * =========== 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 DLA_SYRFSX_EXTENDED + dependencies -*> -*> [TGZ] -*> -*> [ZIP] -*> +*> Download DLA_SYRFSX_EXTENDED + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> *> [TXT] -*> \endhtmlonly +*> \endhtmlonly * * Definition: * =========== @@ -25,7 +25,7 @@ * AYB, DY, Y_TAIL, RCOND, ITHRESH, * RTHRESH, DZ_UB, IGNORE_CWISE, * INFO ) -* +* * .. Scalar Arguments .. * INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, * $ N_NORMS, ITHRESH @@ -41,14 +41,14 @@ * $ ERR_BNDS_NORM( NRHS, * ), * $ ERR_BNDS_COMP( NRHS, * ) * .. -* +* * *> \par Purpose: * ============= *> *> \verbatim *> -*> +*> *> DLA_SYRFSX_EXTENDED improves the computed solution to a system of *> linear equations by performing extra-precise iterative refinement *> and provides error bounds and backward error estimates for the solution. @@ -381,12 +381,12 @@ * 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 September 2012 +*> \date December 2016 * *> \ingroup doubleSYcomputational * @@ -399,10 +399,10 @@ $ RTHRESH, DZ_UB, IGNORE_CWISE, $ 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, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, @@ -545,7 +545,7 @@ CALL BLAS_DSYMV2_X(UPLO2, N, -1.0D+0, A, LDA, $ Y(1, J), Y_TAIL, 1, 1.0D+0, RES, 1, PREC_TYPE) END IF - + ! XXX: RES is no longer needed. CALL DCOPY( N, RES, 1, DY, 1 ) CALL DSYTRS( UPLO, N, 1, AF, LDAF, IPIV, DY, N, INFO ) @@ -557,11 +557,11 @@ NORMDX = 0.0D+0 DZ_Z = 0.0D+0 YMIN = HUGEVAL - + DO I = 1, N YK = ABS( Y( I, J ) ) DYK = ABS( DY( I ) ) - + IF ( YK .NE. 0.0D+0 ) THEN DZ_Z = MAX( DZ_Z, DYK / YK ) ELSE IF ( DYK .NE. 0.0D+0 ) THEN @@ -660,7 +660,7 @@ ELSE CALL DLA_WWADDW( N, Y(1,J), Y_TAIL, DY ) END IF - + END DO * Target of "IF (Z_STOP .AND. X_STOP)". Sun's f77 won't EXIT. 666 CONTINUE @@ -689,9 +689,9 @@ * Compute residual RES = B_s - op(A_s) * Y, * op(A) = A, A**T, or A**H depending on TRANS (and type). CALL DCOPY( N, B( 1, J ), 1, RES, 1 ) - CALL DSYMV( UPLO, N, -1.0D+0, A, LDA, Y(1,J), 1, 1.0D+0, RES, + CALL DSYMV( UPLO, N, -1.0D+0, A, LDA, Y(1,J), 1, 1.0D+0, RES, $ 1 ) - + DO I = 1, N AYB( I ) = ABS( B( I, J ) ) END DO @@ -700,7 +700,7 @@ * CALL DLA_SYAMV( UPLO2, N, 1.0D+0, $ A, LDA, Y(1, J), 1, 1.0D+0, AYB, 1 ) - + CALL DLA_LIN_BERR( N, N, 1, RES, AYB, BERR_OUT( J ) ) * * End of loop for each RHS.