fsolve failing

[John W. Eaton]

I noticed that

  fsolve (@(x) x^2-4, 3);

was failing with a usage message from qrupdate so I checked in the
following change.

jwe

# HG changeset patch
# User John W. Eaton <address@hidden>
# Date 1231788398 18000
# Node ID 830a03b5f1654fd29fe41cd5886e06378e8e43fe
# Parent  866492035ecf79b2435d1ca8d5ff98e13bce77d6
qr.cc: require args to be numeric, not necessarily matrix objects

diff --git a/src/ChangeLog b/src/ChangeLog
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2009-01-12  John W. Eaton  <address@hidden>
+
+       * DLD-FUNCTIONS/qr.cc (Fqrupdate, Fqrinsert, Fqrdelete, Fqrshift):
+       Require args to be numeric, not necessarily matrix objects.
+
 2009-01-12  Ben Abbott  <address@hidden>
 
        * graphics.h.in (text::properties::fontunits): Fix typo in list of
diff --git a/src/DLD-FUNCTIONS/qr.cc b/src/DLD-FUNCTIONS/qr.cc
--- a/src/DLD-FUNCTIONS/qr.cc
+++ b/src/DLD-FUNCTIONS/qr.cc
@@ -769,8 +769,8 @@
   octave_value argu = args(2);
   octave_value argv = args(3);
 
-  if (argq.is_matrix_type () && argr.is_matrix_type () 
-      && argu.is_matrix_type () && argv.is_matrix_type ())
+  if (argq.is_numeric_type () && argr.is_numeric_type () 
+      && argu.is_numeric_type () && argv.is_numeric_type ())
     {
       octave_idx_type m = argq.rows ();
       octave_idx_type n = argr.columns ();
@@ -854,7 +854,7 @@
        error ("qrupdate: dimensions mismatch");
     }
   else
-    print_usage ();
+    error ("qrupdate: expecting numeric arguments");
 
   return retval;
 }
@@ -958,8 +958,8 @@
   octave_value argj = args(2);
   octave_value argx = args(3);
       
-  if (argq.is_matrix_type () && argr.is_matrix_type ()
-      && argj.is_scalar_type () && argx.is_matrix_type ()
+  if (argq.is_numeric_type () && argr.is_numeric_type ()
+      && argj.is_scalar_type () && argx.is_numeric_type ()
       && (nargin < 5 || args(4).is_string ()))
     {
       octave_idx_type m = argq.rows ();
@@ -1178,7 +1178,8 @@
   octave_value argr = args(1);
   octave_value argj = args(2);
 
-  if (argq.is_matrix_type () && argr.is_matrix_type () && argj.is_scalar_type 
()
+  if (argq.is_numeric_type () && argr.is_numeric_type ()
+      && argj.is_scalar_type ()
       && (nargin < 4 || args(3).is_string ()))
     {
       octave_idx_type m = argq.rows ();
@@ -1438,7 +1439,7 @@
   octave_value argi = args(2);
   octave_value argj = args(3);
 
-  if (argq.is_matrix_type () && argr.is_matrix_type () 
+  if (argq.is_numeric_type () && argr.is_numeric_type () 
       && argi.is_real_scalar () && argj.is_real_scalar ())
     {
       octave_idx_type n = argr.columns ();
@@ -1513,7 +1514,7 @@
        error ("qrshift: dimensions mismatch");
     }
   else
-    print_usage ();
+    error ("qrshift: expecting numeric arguments");
 
   return retval;
 }