Tweak tests for Optimization Toolbox R2024b.

Avoid presolve bug with HiGHS-based `linprog` and `intlinprog` in Optimization Toolbox R2024b. Same bug as before, just a different option to turn off presolve in R2024b (HiGHS 1.7).

Author: rdzman

CHANGES.md

@@ -5,6 +5,10 @@ Change history for MOST
 since 1.3
 ---------
 
+#### 10/7/24
+  - Tweak tests (again) to avoid warnings and presolve bug with HiGHS-based
+    `linprog` and `intlinprog` in Optimization Toolbox R2024b.
+
 #### 9/12/24
   - Fix issue with `most_summary()` when ramp results are missing.
 

docs/src/MOST-manual/MOST-manual.tex

@@ -3476,6 +3476,7 @@ \subsubsection*{Bugs Fixed}
 \item Fix issue \#45 where \code{most()} does not properly handle cases with contingencies defined only in some periods/scenarios.
 \emph{Thanks to Stefano Nicolin.}
 \item Fix issue with \code{most\_summary()} when ramp results are missing.
+\item Tweak tests to work around bug in HiGHS-based `linprog` and `intlinprog` in Optimization Toolbox R2024a and R2024b.
 \end{itemize}
 
 \subsubsection*{Incompatible Changes}

lib/t/t_most_uc.m

@@ -135,9 +135,12 @@ function t_most_uc(quiet, create_plots, create_pdfs, savedir)
         % (except actually in this case it triggers it rather than working
         %  around it, so we comment it out)
         %mpopt = mpoption(mpopt, 'intlinprog.LPPreprocess', 'none');
-    else        mpopt = mpoption(mpopt, 'intlinprog.LPPreprocess', 'none');
+    elseif have_feature('intlinprog', 'vnum') == 24.001
+        mpopt = mpoption(mpopt, 'intlinprog.LPPreprocess', 'none');
         s2 = warning('query', 'optim:intlinprog:IgnoreOptions');
         warning('off', 'optim:intlinprog:IgnoreOptions');
+    elseif have_feature('intlinprog', 'vnum') == 24.002
+        mpopt = mpoption(mpopt, 'intlinprog.Presolve', 'off');
     end
 end
 if ~verbose
@@ -413,7 +416,7 @@ function t_most_uc(quiet, create_plots, create_pdfs, savedir)
 
 if have_feature('octave')
     warning(s1.state, file_in_path_warn_id);
-elseif have_feature('intlinprog') && have_feature('intlinprog', 'vnum') >= 24 
+elseif have_feature('intlinprog') && have_feature('intlinprog', 'vnum') == 24.001
     warning(s2.state, 'optim:intlinprog:IgnoreOptions');
 end