# HG changeset patch
# User jwe
# Date 773710899 0
# Node ID dbb8a47acc3aa5167220c98f59b890b7acd8074c
# Parent  e273a853208166c4cbc6912b2b024e184d1db672
[project @ 1994-07-08 23:41:39 by jwe]

diff -r e273a8532081 -r dbb8a47acc3a src/balance.cc
--- a/src/balance.cc	Fri Jul 08 02:40:08 1994 +0000
+++ b/src/balance.cc	Fri Jul 08 23:41:39 1994 +0000
@@ -236,6 +236,7 @@
 
 	    switch (nargout)
 	      {
+	      case 0:
 	      case 1:
 		warning ("balance: should use two output arguments");
 		retval(0) = tree_constant (caa);
@@ -251,7 +252,7 @@
 		retval(3) = tree_constant (cbb);
 		break;
 	      default:
-		error ("balance: illegal number of output arguments");
+		error ("balance: invalid number of output arguments");
 		break;
 	      }
 	  }
@@ -259,6 +260,11 @@
 	  {
 	    switch (nargout)
 	      {
+	      case 0:
+	      case 1:
+		warning ("balance: should use two output arguments");
+		retval(0) = tree_constant (result.balanced_a_matrix ());
+		break;
 	      case 2:
 		retval(0) = tree_constant (result.balanced_a_matrix ());
 		retval(1) = tree_constant (result.balanced_b_matrix ());
@@ -270,7 +276,7 @@
 		retval(3) = tree_constant (result.balanced_b_matrix ());
 		break;
 	      default:
-		error ("balance: illegal number of output arguments");
+		error ("balance: invalid number of output arguments");
 		break;
 	      }
 	  }
diff -r e273a8532081 -r dbb8a47acc3a src/givens.cc
--- a/src/givens.cc	Fri Jul 08 02:40:08 1994 +0000
+++ b/src/givens.cc	Fri Jul 08 23:41:39 1994 +0000
@@ -111,7 +111,8 @@
 
 	  switch (nargout)
 	    {
-	    case 1:		// output a matrix
+	    case 0:		// output a matrix
+	    case 1:
 	      {
 		ComplexMatrix g (2, 2);
 		g.elem (0, 0) = cc;
@@ -129,7 +130,7 @@
 	      break;
 
 	    default:  
-	      error ("givens: illegal number of output arguments");
+	      error ("givens: invalid number of output arguments");
 	      break;
 	    }
 	}
@@ -141,7 +142,8 @@
 
 	  switch (nargout)
 	    {
-	    case 1:		// output a matrix
+	    case 0:		// output a matrix
+	    case 1:
 	      {
 		Matrix g (2, 2);
 		g.elem (0, 0) = cc;
@@ -159,7 +161,7 @@
 	      break;
    
 	    default:
-	      error ("givens: illegal number of output arguments");
+	      error ("givens: invalid number of output arguments");
 	      break;
 	    }
 	}