sla_gbrfsx_extended (l) - Linux Manuals
sla_gbrfsx_extended: computes ..
Command to display sla_gbrfsx_extended
manual in Linux: $ man l sla_gbrfsx_extended
NAME
SLA_GBRFSX_EXTENDED - computes ..
SYNOPSIS
- SUBROUTINE SLA_GBRFSX_EXTENDED(
-
PREC_TYPE, TRANS_TYPE, N, KL, KU,
NRHS, AB, LDAB, AFB, LDAFB, IPIV,
COLEQU, C, B, LDB, Y, LDY,
BERR_OUT, N_NORMS, ERRS_N, ERRS_C,
RES, AYB, DY, Y_TAIL, RCOND,
ITHRESH, RTHRESH, DZ_UB,
IGNORE_CWISE, INFO )
-
IMPLICIT
NONE
-
INTEGER
INFO, LDAB, LDAFB, LDB, LDY, N, KL, KU, NRHS,
PREC_TYPE, TRANS_TYPE, N_NORMS, ITHRESH
-
LOGICAL
COLEQU, IGNORE_CWISE
-
REAL
RTHRESH, DZ_UB
-
INTEGER
IPIV( * )
-
REAL
AB( LDAB, * ), AFB( LDAFB, * ), B( LDB, * ),
Y( LDY, * ), RES(*), DY(*), Y_TAIL(*)
-
REAL
C( * ), AYB(*), RCOND, BERR_OUT(*),
ERRS_N( NRHS, * ), ERRS_C( NRHS, * )
PURPOSE
SLA_GBRFSX_EXTENDED computes ... .
ARGUMENTS
Pages related to sla_gbrfsx_extended
- sla_gbrfsx_extended (3)
- sla_gbrcond (l) - SLA_GERCOND Estimate the Skeel condition number of op(A) * op2(C) where op2 is determined by CMODE as follows CMODE = 1 op2(C) = C CMODE = 0 op2(C) = I CMODE = -1 op2(C) = inv(C) The Skeel condition number cond(A) = norminf( |inv(A)||A| ) is computed by computing scaling factors R such that diag(R)*A*op2(C) is row equilibrated and computing the standard infinity-norm condition number
- sla_gbamv (l) - performs one of the matrix-vector operations y := alpha*abs(A)*abs(x) + beta*abs(y),
- sla_geamv (l) - performs one of the matrix-vector operations y := alpha*abs(A)*abs(x) + beta*abs(y),
- sla_gercond (l) - SLA_GERCOND estimate the Skeel condition number of op(A) * op2(C) where op2 is determined by CMODE as follows CMODE = 1 op2(C) = C CMODE = 0 op2(C) = I CMODE = -1 op2(C) = inv(C) The Skeel condition number cond(A) = norminf( |inv(A)||A| ) is computed by computing scaling factors R such that diag(R)*A*op2(C) is row equilibrated and computing the standard infinity-norm condition number
- sla_gerfsx_extended (l) - computes ..
- sla_lin_berr (l) - SLA_LIN_BERR compute component-wise relative backward error from the formula max(i) ( abs(R(i)) / ( abs(op(A_s))*abs(Y) + abs(B_s) )(i) ) where abs(Z) is the component-wise absolute value of the matrix or vector Z
- sla_porcond (l) - SLA_PORCOND Estimate the Skeel condition number of op(A) * op2(C) where op2 is determined by CMODE as follows CMODE = 1 op2(C) = C CMODE = 0 op2(C) = I CMODE = -1 op2(C) = inv(C) The Skeel condition number cond(A) = norminf( |inv(A)||A| ) is computed by computing scaling factors R such that diag(R)*A*op2(C) is row equilibrated and computing the standard infinity-norm condition number