docs/pdf/methods.tex

@@ -26,7 +26,7 @@ later). In the above formulae, $x_i$ is the tentative solution and
 $r_i=b-Ax_i$ the corresponding residual at the $i$-th iteration. 
 
 
-\syntax{call psb\_krylov}{method,a,prec,b,x,eps,desc\_a,info,itmax,iter,err,itrace,istop}
+\syntax{call psb\_krylov}{method,a,prec,b,x,eps,desc\_a,info,itmax,iter,err,itrace,irst,istop}
 
 \begin{description}
 \item[\bf On Entry]
@@ -75,6 +75,12 @@ Specified as: an integer variable $itmax \ge 1$.
   convergence  every $itrace$ iterations.\\ 
 Scope: {\bf global} \\
 Type: {\bf optional}\\
+\item[irst]  An integer specifying the restart parameter.\\
+Scope: {\bf global} \\
+Type: {\bf optional}.\\
+Values: $irst>0$. This is employed for the BiCGSTABL or RGMRES
+methods, otherwise it is ignored. 
+
 \item[istop]  An integer specifying the stopping criterion.\\
 Scope: {\bf global} \\
 Type: {\bf optional}.\\