From octave-maintainers-request at bevo dot che dot wisc dot edu  Wed Nov  4 18:24:05 1998
Subject: Bugs in 2.1.9
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: costabel at lie dot univ-rennes1 dot fr (Martin Costabel)
cc: octave-maintainers at bevo dot che dot wisc dot edu
Date: Wed, 4 Nov 1998 17:24:12 -0600 (CST)

On  4-Nov-1998, Martin Costabel <costabel at lie dot univ-rennes1 dot fr> wrote:

| 1) Empty plots:
| >> x=0:0.01:7; y=sin(x); plot(x,y)
| gives only an empty window. 
| >> plot(0:0.01:7, sin(0:0.01:7))
| does nothing, but
| >> plot(sin(0:0.01:7))
| works correctly

Please try the following patch.

Thanks,

jwe


Wed Nov  4 17:21:41 1998  John W. Eaton  <jwe at bevo dot che dot wisc dot edu>

	* data.cc (Fis_matrix): Also return true if the arg is a range.


Index: data.cc
===================================================================
RCS file: /home/jwe/src/master/octave/src/data.cc,v
retrieving revision 1.60
diff -c -r1.60 data.cc
*** data.cc	1998/11/03 20:48:57	1.60
--- data.cc	1998/11/04 23:21:37
***************
*** 836,842 ****
      {
        octave_value arg = args(0);
  
!       if (arg.is_scalar_type ())
  	retval = 1.0;
        else if (arg.is_matrix_type ())
  	retval = static_cast<double> (arg.rows () >= 1 && arg.columns () >= 1);
--- 836,842 ----
      {
        octave_value arg = args(0);
  
!       if (arg.is_scalar_type () || arg.is_range ())
  	retval = 1.0;
        else if (arg.is_matrix_type ())
  	retval = static_cast<double> (arg.rows () >= 1 && arg.columns () >= 1);