Merge branch 'latest' into fix-1789

.github/workflows/test-fortran-macos.yml

@@ -0,0 +1,36 @@
+name: test-fortran-macos
+
+on: [push, pull_request]
+
+jobs:
+  fast_build_release:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install GFortran
+        run: brew install gfortran
+
+      - name: Create Build Environment
+        run: cmake -E make_directory ${{runner.workspace}}/build
+
+      - name: Configure CMake
+        shell: bash
+        working-directory: ${{runner.workspace}}/build
+        run: cmake $GITHUB_WORKSPACE -DFORTRAN=ON 
+
+      - name: Build
+        shell: bash
+        working-directory: ${{runner.workspace}}/build
+        run: cmake --build . --parallel
+
+      - name: Test
+        shell: bash
+        working-directory: ${{runner.workspace}}/build
+        run: |
+          ls 
+          ./bin/fortrantest

.github/workflows/test-fortran-ubuntu.yml

@@ -1,4 +1,4 @@
-name: test-fortran
+name: test-fortran-ubuntu
 
 on: [push, pull_request]
 

CMakeLists.txt

@@ -209,7 +209,7 @@ if (BUILD_CXX)
               "but it is not supported by the compiler. The check failed with this output:\n"
               "${check_ipo_support_output}")
     endif()
-  elseif(NOT ipo_supported)
+  elseif(NOT ipo_supported OR (APPLE AND FORTRAN))
     message(STATUS "IPO / LTO: disabled because it is not supported")
   elseif(NOT BUILD_SHARED_LIBS)
     # For a static library, we can't be sure whether the final linking will

cmake/README.md

@@ -3,7 +3,7 @@
 | OS       | C++   | Fortran | Python   | CSharp Example | .NET |
 |:-------- | :---: | :------: | :----: | :----: | :----: |
 | Linux    | [![Status][linux_cpp_svg]][linux_cpp_link] | [![Status][linux_fortran_svg]][linux_fortran_link] | [![Status][linux_python_svg]][linux_python_link] | *(1)* | [![Status][linux_dotnet_svg]][linux_dotnet_link] |
-| MacOS    | [![Status][macos_cpp_svg]][macos_cpp_link] | *(2)* |  [![Status][macos_python_svg]][macos_python_link] | *(1)* |[![Status][macos_dotnet_svg]][macos_dotnet_link] |
+| MacOS    | [![Status][macos_cpp_svg]][macos_cpp_link] | [![Status][macos_fortran_svg]][macos_fortran_link]  |  [![Status][macos_python_svg]][macos_python_link] | *(1)* |[![Status][macos_dotnet_svg]][macos_dotnet_link] |
 | Windows  | [![Status][windows_cpp_svg]][windows_cpp_link] | *(2)* | [![Status][windows_python_svg]][windows_python_link] | [![Status][windows_csharp_svg]][windows_csharp_link] | [![Status][windows_dotnet_svg]][windows_dotnet_link] |
 
 [linux_cpp_svg]: https://github.com/ERGO-Code/HiGHS/actions/workflows/cmake-linux-cpp.yml/badge.svg

docs/src/guide/basic.md

@@ -22,8 +22,9 @@ and [classes](@ref classes-overview), and are referred to below.
 
 Enums are scalar identifier types that can take only a limited range of values.
 
-#### [Classes](@id guide-basic-classes) The advantage of using the
-native `C++` classes in HiGHS is that many fewer parameters are needed
+#### [Classes](@id guide-basic-classes)
+
+The advantage of using the native `C++` classes in HiGHS is that many fewer parameters are needed
 when passing data to and from HiGHS. The binding of the data members
 of these classes to `highspy` structures allows them to be used when
 calling HiGHS from Python, although they are not necessary for the

src/io/HMPSIO.cpp

@@ -564,7 +564,7 @@ HighsStatus writeModelAsMps(const HighsOptions& options,
   HighsStatus row_name_status =
       normaliseNames(options.log_options, "row", lp.num_row_, local_row_names,
                      max_row_name_length);
-  if (row_name_status == HighsStatus::kError) return col_name_status;
+  if (row_name_status == HighsStatus::kError) return row_name_status;
   warning_found = row_name_status == HighsStatus::kWarning || warning_found;
 
   HighsInt max_name_length = std::max(max_col_name_length, max_row_name_length);