From 8587674317ccaaf801bd986a33c955b6046d7a7e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Adjemian=20=28Charybdis=29?=
 <stephane.adjemian@univ-lemans.fr>
Date: Wed, 14 May 2014 22:02:59 +0200
Subject: [PATCH] Removed call to ismember. Test if to_id or do_id are empty
 instead.

---
 matlab/utilities/dseries/from.m | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/matlab/utilities/dseries/from.m b/matlab/utilities/dseries/from.m
index 8adfe243e..724700adc 100644
--- a/matlab/utilities/dseries/from.m
+++ b/matlab/utilities/dseries/from.m
@@ -19,13 +19,13 @@ function from(varargin)
 
 lvarargin = lower(varargin);
 
-if ~(ismember('to',lvarargin) && ismember('do',lvarargin))
-    error(get_error_message_0())
-end
-
 to_id = strmatch('to',lvarargin);
 do_id = strmatch('do',lvarargin);
 
+if isempty(to_id) || isempty(do_id)
+    error(get_error_message_0())
+end
+
 if do_id<to_id
     msg = sprinf('Wrong syntax! The TO keyword must preceed the DO keyword.\n');
     error(get_error_message_0(msg))