From a3d549f8de70bcf7fd8c62e1c88c60fe4e1b9c50 Mon Sep 17 00:00:00 2001
From: Laurent Perron <lperron@google.com>
Date: Thu, 27 Jul 2023 08:51:13 -0700
Subject: [PATCH] more work on mps reader

---
 ortools/lp_data/mps_reader_template.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ortools/lp_data/mps_reader_template.h b/ortools/lp_data/mps_reader_template.h
index 4f3e2a0f203..947e3723231 100644
--- a/ortools/lp_data/mps_reader_template.h
+++ b/ortools/lp_data/mps_reader_template.h
@@ -732,10 +732,11 @@ absl::Status MPSReaderTemplate<DataWrapper>::ProcessLine(absl::string_view line,
 template <class DataWrapper>
 absl::Status MPSReaderTemplate<DataWrapper>::ProcessObjectiveSenseSection(
     DataWrapper* data) {
-  if (fields_.size() != 1 && fields_[0] != "MIN" && fields_[0] != "MAX") {
+  absl::string_view field = absl::StripAsciiWhitespace(line_);
+  if (field != "MIN" && field != "MAX") {
     return InvalidArgumentError("Expected objective sense (MAX or MIN).");
   }
-  data->SetObjectiveDirection(/*maximize=*/fields_[0] == "MAX");
+  data->SetObjectiveDirection(/*maximize=*/field == "MAX");
   return absl::OkStatus();
 }