math_opt fixup

google · Oct 11, 2023 · bc39e45 · bc39e45
1 parent 7230062
commit bc39e45
Showing 1 changed file with 7 additions and 8 deletions.
diff --git a/ortools/math_opt/solvers/glpk_solver.cc b/ortools/math_opt/solvers/glpk_solver.cc
@@ -681,14 +681,13 @@ absl::StatusOr<TerminationProto> SimplexTerminationOnSuccess(
 
   // Returns a status error indicating that glp_get_dual_stat() returned an
   // unexpected value.
-  const auto unexpected_dual_stat = [&]() {
-    return absl::InternalError(
-        absl::StrCat(
-           "glp_simplex() returned 0 but glp_get_dual_stat() returned the "
-           "unexpected value ",
-           SolutionStatusString(dual_status),
-           " while glp_get_prim_stat() returned ",
-           SolutionStatusString(prim_status)));
+  const auto unexpected_dual_stat = [&]() -> absl::Status {
+    return util::InternalErrorBuilder()
+           << "glp_simplex() returned 0 but glp_get_dual_stat() returned the "
+              "unexpected value "
+           << SolutionStatusString(dual_status)
+           << " while glp_get_prim_stat() returned "
+           << SolutionStatusString(prim_status);
   };
 
   switch (prim_status) {