Merge pull request #65 from UTA-WESOME/feature/beisert/fix_delta

Feature/beisert/fix delta
UTA-WESOME · Jan 2, 2024 · 35da12b · 35da12b
2 parents 8980598 + ca4ef52
commit 35da12b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,4 +1,8 @@
 # Changelog
+## v0.0.28 - 27-12-2023
+### Fixed
+- Delta issue (whenever there are no possible relations)
+
 ## v0.0.27 - 27-12-2023
 ### Fixed
 - Rounding error

diff --git a/setup.cfg b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = uta-gms-engine
-version = 0.0.27
+version = 0.0.28
 author = Filip Marciniak
 author_email = filip.marciniak15@gmail.com
 description = Engine for UTA GMS method

diff --git a/src/utagmsengine/utils/solver_utils.py b/src/utagmsengine/utils/solver_utils.py
@@ -721,7 +721,10 @@ def calculate_the_most_representative_function(
             if len(alternatives_binary_variables[worst_best[0]]) > 1:
                 x += 1
 
-        problem += big_M * epsilon - delta
+        if 'delta' in problem.variablesDict():
+            problem += big_M * epsilon - delta
+        else:
+            problem += big_M * epsilon
 
         problem.solve(solver=GLPK(msg=show_logs))