Improve reliability of detection of CLP MEX file.

Author: Ray Zimmerman

CHANGES.md

@@ -2,6 +2,17 @@ Change history for MP-Opt-Model
 ===============================
 
 
+since version 5.0
+-----------------
+
+#### 9/25/25
+  - Improve reliability of detection of CLP MEX file.
+
+#### 7/18/25
+  - Fix failing tests in `t_qcqps_master` when `'DEFAULT'` implies `'FMINCON'`
+    (as in MATLAB Online).
+
+
 Version 5.0 - *Jul 12, 2025*
 ----------------------------
 

lib/have_feature_opti_clp.m

@@ -16,6 +16,7 @@
 %   Covered by the 3-clause BSD License (see LICENSE file for details).
 %   See https://github.com/MATPOWER/mp-opt-model for more info.
 
+s = which('clp');   %% help it find .mex* before .m
 TorF = exist('opti_clp', 'file') == 2 && exist('clp', 'file') == 3;
 vstr = '';
 rdate = '';

lib/mpomver.m

@@ -24,9 +24,9 @@
 %   See https://github.com/MATPOWER/mp-opt-model for more info.
 
 v = struct( 'Name',     'MP-Opt-Model', ...
-            'Version',  '5.0', ...
+            'Version',  '5.0.1-dev', ...
             'Release',  '', ...
-            'Date',     '12-Jul-2025' );
+            'Date',     '25-Sep-2025' );
 if nargout > 0
     if nargin > 0
         rv = v;