# HG changeset patch
# User jwe
# Date 1192042306 0
# Node ID 45d6cc5a0359ad613bbb1db06c751f704097f1c7
# Parent  2980cb35270cd3070d8cdf54e2585edf5614fc0f
[project @ 2007-10-10 18:51:45 by jwe]

diff -r 2980cb35270c -r 45d6cc5a0359 src/ChangeLog
--- a/src/ChangeLog	Wed Oct 10 18:39:58 2007 +0000
+++ b/src/ChangeLog	Wed Oct 10 18:51:46 2007 +0000
@@ -1,3 +1,11 @@
+2007-10-10  John W. Eaton  <jwe@octave.org>
+
+	* OPERATORS/op-sbm-sbm.cc (bool_matrix_to_double_matrix):
+	New conversion function.
+	(install_sbm_sbm_ops): Install it.
+
+	* ov-re-mat.cc (double): Handle sparse as a special case.
+
 2007-10-10  Olli Saarela  <Olli.Saarela@kcl.fi>
 
 	* data.cc, debug.cc, dirfns.cc, error.cc, file-io.cc, help.cc,
diff -r 2980cb35270c -r 45d6cc5a0359 src/OPERATORS/op-sbm-sbm.cc
--- a/src/OPERATORS/op-sbm-sbm.cc	Wed Oct 10 18:39:58 2007 +0000
+++ b/src/OPERATORS/op-sbm-sbm.cc	Wed Oct 10 18:51:46 2007 +0000
@@ -74,6 +74,15 @@
 DEFASSIGNOP_FN (assign, sparse_bool_matrix, sparse_bool_matrix, 
 		assign)
 
+CONVDECL (bool_matrix_to_double_matrix)
+{
+  CAST_CONV_ARG (const octave_sparse_bool_matrix&);
+
+  return new octave_sparse_matrix (SparseMatrix (v.sparse_bool_matrix_value ()));
+}
+
+DEFDBLCONVFN (, sparse_bool_matrix, bool_array)
+
 void
 install_sbm_sbm_ops (void)
 {
@@ -99,7 +108,10 @@
   INSTALL_CATOP (octave_sparse_matrix, octave_sparse_bool_matrix, sm_sbm);
 
   INSTALL_ASSIGNOP (op_asn_eq, octave_sparse_bool_matrix, 
-		    octave_sparse_bool_matrix, assign);
+		    octave_sparse_bool_matrix, assign); 
+
+  INSTALL_CONVOP (octave_sparse_bool_matrix, octave_sparse_matrix, 
+		  bool_matrix_to_double_matrix);
 }
 
 /*
diff -r 2980cb35270c -r 45d6cc5a0359 src/ov-re-mat.cc
--- a/src/ov-re-mat.cc	Wed Oct 10 18:39:58 2007 +0000
+++ b/src/ov-re-mat.cc	Wed Oct 10 18:51:46 2007 +0000
@@ -48,6 +48,7 @@
 #include "ov-base-mat.cc"
 #include "ov-scalar.h"
 #include "ov-re-mat.h"
+#include "ov-re-sparse.h"
 #include "ov-type-conv.h"
 #include "pr-output.h"
 #include "variables.h"
@@ -653,7 +654,25 @@
 Convert @var{x} to double precision type.\n\
 @end deftypefn")
 {
-  OCTAVE_TYPE_CONV_BODY3 (double, octave_matrix, octave_scalar);
+  // The OCTAVE_TYPE_CONV_BODY3 macro declares retval, so they go
+  // inside their own scopes, and we don't declare retval here to
+  // avoid a shadowed declaration warning.
+
+  if (args.length () == 1)
+    {
+      if (args(0).is_sparse_type ())
+	{
+	  OCTAVE_TYPE_CONV_BODY3 (double, octave_sparse_matrix, octave_scalar);
+	}
+      else
+	{
+	  OCTAVE_TYPE_CONV_BODY3 (double, octave_matrix, octave_scalar);
+	}
+    }
+  else
+    print_usage ();
+
+  return octave_value ();
 }
 
 /*