# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1295080832 18000
# Node ID b0ef6f28e09aa4b2180a204b3ad70d7224320151
# Parent  6bac61388876adaaa1f7217647dbf7b044167c30
deprecate krylovb function

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-01-15  John W. Eaton  <jwe@octave.org>
+
+	* NEWS: Add krylovb to deprecated function list.
+
 2010-01-14  Rik  <octave@nomad.inbox5.com>
 
 	* NEWS: Add replot to deprecated function list.
diff --git a/NEWS b/NEWS
--- a/NEWS
+++ b/NEWS
@@ -409,8 +409,9 @@
     be removed from Octave 3.8 (or whatever version is the second major
     release after 3.4):
 
-      autocor  betai    dispatch  gammai     values
-      autocov  cellidx  fstat     is_global  replot
+      autocor  cellidx   gammai     replot
+      autocov  dispatch  is_global  values
+      betai    fstat     krylovb
 
 Summary of important user-visible changes for version 3.2:
 ---------------------------------------------------------
diff --git a/scripts/ChangeLog b/scripts/ChangeLog
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,11 @@
+2011-01-15  John W. Eaton  <jwe@octave.org>
+
+	* deprecated/krylovb: Move here from linear-algebra.
+	* deprecated/module.mk (deprecated_FCN_FILES):
+	Include krylovb.m in the list.
+	* linear-algebra/module.mk (linear_algebra_FCN_FILES):
+	Remove krylovb.m from the list.
+
 2011-01-14  Rik  <octave@nomad.inbox5.com>
 
 	* general/postpad.m, general/prepad.m: Improve docstring.
diff --git a/scripts/linear-algebra/krylovb.m b/scripts/deprecated/krylovb.m
rename from scripts/linear-algebra/krylovb.m
rename to scripts/deprecated/krylovb.m
--- a/scripts/linear-algebra/krylovb.m
+++ b/scripts/deprecated/krylovb.m
@@ -21,8 +21,17 @@
 ## See @code{krylov}.
 ## @end deftypefn
 
+## Deprecated in version 3.4
+
 function [Uret, Ucols] = krylovb (A, V, k, eps1, pflg)
 
+  persistent warned = false;
+  if (! warned)
+    warned = true;
+    warning ("Octave:deprecated-function",
+             "krylovb is obsolete and will be removed from a future version of Octave; please use [Uret, ~, Ucols] = krylov (...) instead");
+  endif
+
   switch (nargin)
     case (3)
       [Uret, H, Ucols] = krylov (A, V, k);
diff --git a/scripts/deprecated/module.mk b/scripts/deprecated/module.mk
--- a/scripts/deprecated/module.mk
+++ b/scripts/deprecated/module.mk
@@ -19,6 +19,7 @@
   deprecated/isstr.m \
   deprecated/lchol.m \
   deprecated/loadimage.m \
+  deprecated/krylovb.m \
   deprecated/mark_as_command.m \
   deprecated/mark_as_rawcommand.m \
   deprecated/replot.m \
diff --git a/scripts/linear-algebra/module.mk b/scripts/linear-algebra/module.mk
--- a/scripts/linear-algebra/module.mk
+++ b/scripts/linear-algebra/module.mk
@@ -12,7 +12,6 @@
   linear-algebra/ishermitian.m \
   linear-algebra/issymmetric.m \
   linear-algebra/krylov.m \
-  linear-algebra/krylovb.m \
   linear-algebra/logm.m \
   linear-algebra/normest.m \
   linear-algebra/null.m \