some link errors

Author: galabovaa

CMakeLists.txt

@@ -155,7 +155,7 @@ if (HIPO AND FORTRAN)
   message(ERROR "HIPO is only available in C++. Not yet supported in FORTRAN")
 endif()
 if (HIPO AND PYTHON_BUILD_SETUP)
-  message(ERROR "HIPO is only available in C++. Not yet supported in Python.")
+  message(STATUS "HIPO in Python: ON.")
 endif()
 if (HIPO AND NOT FAST_BUILD)
   message(ERROR "HIPO is only available with FAST_BUILD=ON.")

HiGHS.sln

@@ -145,6 +145,19 @@ endif()
 set(METIS_ROOT "" CACHE STRING "Root directory of METIS")
 message(STATUS "METIS_ROOT is " ${METIS_ROOT})
 
+if (PYTHON_BUILD_SETUP)
+
+    set(METIS_SRC_DIR ${METIS_ROOT})
+    set(METIS_DST_DIR ${CMAKE_BINARY_DIR}/metis)
+
+    file(COPY ${METIS_SRC_DIR}/include DESTINATION ${METIS_DST_DIR})
+    file(COPY ${METIS_SRC_DIR}/lib DESTINATION ${METIS_DST_DIR})
+
+    return()
+
+endif()
+
+
 # If a METIS install was specified try to use it first.
 if (NOT (METIS_ROOT STREQUAL ""))
     message(STATUS "Looking for METIS CMake targets file in " ${METIS_ROOT})

cmake/FindHipoDeps.cmake

@@ -6,16 +6,29 @@ endif()
 
 include(sources-python)
 
-set(sources_python ${highs_sources_python} 
-                   ${cupdlp_sources_python} 
-                   ${ipx_sources_python} 
+set(sources_python ${highs_sources_python}
+                   ${cupdlp_sources_python}
+                   ${ipx_sources_python}
                    ${basiclu_sources_python})
 
-set(headers_python ${highs_headers_python} 
-                   ${cupdlp_headers_python} 
-                   ${ipx_headers_python} 
+set(headers_python ${highs_headers_python}
+                   ${cupdlp_headers_python}
+                   ${ipx_headers_python}
                    ${basiclu_headers_python})
 
+if(HIPO)
+  set(sources_python ${sources}
+                     ${hipo_sources_python}
+                     ${factor_highs_sources_python}
+                     ${hipo_util_sources_python})
+
+  set(headers_python ${headers}
+                     ${hipo_headers_python}
+                     ${factor_highs_headers_python}
+                     ${hipo_util_headers_python})
+
+endif()
+
 # Find Python 3
 find_package(Python COMPONENTS Interpreter Development.Module REQUIRED)
 find_package(pybind11 CONFIG)
@@ -42,10 +55,16 @@ python_add_library(_core MODULE highs/highs_bindings.cpp WITH_SOABI)
 
 target_link_libraries(_core PRIVATE pybind11::headers)
 
-# sources for python 
+if (HIPO)
+  target_include_directories(_core PRIVATE ${METIS_DST_DIR}/include)
+  target_link_libraries(_core PRIVATE OpenBLAS::OpenBLAS)
+  target_link_libraries(_core PRIVATE ${METIS_DST_DIR}/lib/metis.lib)
+endif()
+
+# sources for python
 target_sources(_core PUBLIC ${sources_python} ${headers_python})
 
-# include directories for python 
+# include directories for python
 target_include_directories(_core PUBLIC ${include_dirs_python})
 
 # This is passing in the version as a define just as an example
@@ -55,12 +74,12 @@ if(MSVC)
   target_compile_options(_core PRIVATE "/bigobj")
 endif()
 
-if (NOT MSVC) 
+if (NOT MSVC)
   target_compile_options(_core PRIVATE "-ftemplate-depth=2048")
 endif()
 
 # if(MSVC)
-#   # Try to split large pdb files into objects. 
+#   # Try to split large pdb files into objects.
 #   # https://github.com/tensorflow/tensorflow/issues/31610
 #   add_compile_options("/Z7")
 #   add_link_options("/DEBUG:FASTLINK")

cmake/python-highs.cmake

@@ -134,7 +134,7 @@ set(ipx_sources_python
   highs/ipm/ipx/symbolic_invert.cc
   highs/ipm/ipx/timer.cc
   highs/ipm/ipx/utils.cc)
-  
+
   set(ipx_headers_python
   highs/ipm/ipx/basiclu_kernel.h
   highs/ipm/ipx/basiclu_wrapper.h
@@ -175,6 +175,85 @@ set(ipx_sources_python
   highs/ipm/ipx/timer.h
   highs/ipm/ipx/utils.h)
 
+set(hipo_sources_python
+    highs/ipm/hipo/ipm/CurtisReidScaling.cpp
+    highs/ipm/hipo/ipm/IpmData.cpp
+    highs/ipm/hipo/ipm/FactorHiGHSSolver.cpp
+    highs/ipm/hipo/ipm/Control.cpp
+    highs/ipm/hipo/ipm/Iterate.cpp
+    highs/ipm/hipo/ipm/LogHighs.cpp
+    highs/ipm/hipo/ipm/Model.cpp
+    highs/ipm/hipo/ipm/Solver.cpp)
+
+set(hipo_headers_python
+    highs/ipm/hipo/ipm/CurtisReidScaling.h
+    highs/ipm/hipo/ipm/IpmData.h
+    highs/ipm/hipo/ipm/FactorHiGHSSolver.h
+    highs/ipm/hipo/ipm/Parameters.h
+    highs/ipm/hipo/ipm/Control.h
+    highs/ipm/hipo/ipm/Info.h
+    highs/ipm/hipo/ipm/Iterate.h
+    highs/ipm/hipo/ipm/LinearSolver.h
+    highs/ipm/hipo/ipm/LogHighs.h
+    highs/ipm/hipo/ipm/Model.h
+    highs/ipm/hipo/ipm/Options.h
+    highs/ipm/hipo/ipm/Solver.h
+    highs/ipm/hipo/ipm/Status.h)
+
+set(factor_highs_sources_python
+    highs/ipm/hipo/factorhighs/Analyse.cpp
+    highs/ipm/hipo/factorhighs/CallAndTimeBlas.cpp
+    highs/ipm/hipo/factorhighs/DataCollector.cpp
+    highs/ipm/hipo/factorhighs/DenseFactHybrid.cpp
+    highs/ipm/hipo/factorhighs/DenseFactKernel.cpp
+    highs/ipm/hipo/factorhighs/DgemmParallel.cpp
+    highs/ipm/hipo/factorhighs/FactorHiGHS.cpp
+    highs/ipm/hipo/factorhighs/Factorise.cpp
+    highs/ipm/hipo/factorhighs/FormatHandler.cpp
+    highs/ipm/hipo/factorhighs/HybridHybridFormatHandler.cpp
+    highs/ipm/hipo/factorhighs/HybridSolveHandler.cpp
+    highs/ipm/hipo/factorhighs/KrylovMethodsIpm.cpp
+    highs/ipm/hipo/factorhighs/Numeric.cpp
+    highs/ipm/hipo/factorhighs/SolveHandler.cpp
+    highs/ipm/hipo/factorhighs/Swaps.cpp
+    highs/ipm/hipo/factorhighs/SymScaling.cpp
+    highs/ipm/hipo/factorhighs/Symbolic.cpp)
+
+set(factor_highs_headers_python
+    highs/ipm/hipo/factorhighs/Analyse.h
+    highs/ipm/hipo/factorhighs/CallAndTimeBlas.h
+    highs/ipm/hipo/factorhighs/DataCollector.h
+    highs/ipm/hipo/factorhighs/DenseFact.h
+    highs/ipm/hipo/factorhighs/DgemmParallel.h
+    highs/ipm/hipo/factorhighs/FactorHiGHS.h
+    highs/ipm/hipo/factorhighs/FactorHiGHSSettings.h
+    highs/ipm/hipo/factorhighs/Factorise.h
+    highs/ipm/hipo/factorhighs/FormatHandler.h
+    highs/ipm/hipo/factorhighs/HybridHybridFormatHandler.h
+    highs/ipm/hipo/factorhighs/HybridSolveHandler.h
+    highs/ipm/hipo/factorhighs/KrylovMethodsIpm.h
+    highs/ipm/hipo/factorhighs/Numeric.h
+    highs/ipm/hipo/factorhighs/ReturnValues.h
+    highs/ipm/hipo/factorhighs/SolveHandler.h
+    highs/ipm/hipo/factorhighs/Swaps.h
+    highs/ipm/hipo/factorhighs/SymScaling.h
+    highs/ipm/hipo/factorhighs/Symbolic.h
+    highs/ipm/hipo/factorhighs/Timing.h)
+
+set(hipo_util_sources_python
+    highs/ipm/hipo/auxiliary/Auxiliary.cpp
+    highs/ipm/hipo/auxiliary/KrylovMethods.cpp
+    highs/ipm/hipo/auxiliary/Log.cpp
+    highs/ipm/hipo/auxiliary/VectorOperations.cpp)
+
+set(hipo_util_headers_python
+    highs/ipm/hipo/auxiliary/Auxiliary.h
+    highs/ipm/hipo/auxiliary/IntConfig.h
+    highs/ipm/hipo/auxiliary/KrylovMethods.h
+    highs/ipm/hipo/auxiliary/Log.h
+    highs/ipm/hipo/auxiliary/mycblas.h
+    highs/ipm/hipo/auxiliary/VectorOperations.h)
+
 set(highs_sources_python
     extern/filereaderlp/reader.cpp
     highs/interfaces/highs_c_api.cpp

cmake/sources-python.cmake

@@ -33,7 +33,14 @@ classifiers = [
 test = ["pytest", "numpy"]
 
 [tool.scikit-build]
-cmake.args = ["-DPYTHON_BUILD_SETUP=ON"]
+cmake.args = [
+  "-DPYTHON_BUILD_SETUP=ON",
+  "-DHIPO=ON",
+  "-DCMAKE_TOOLCHAIN_FILE='C:/Users/galab/code/repos/vcpkg/scripts/buildsystems/vcpkg.cmake'",
+  "-DVCPKG_TARGET_TRIPLET='x64-windows-static'",
+  "-DMETIS_ROOT='C:/Users/galab/installs/metis-521-ts'"
+]
+
 wheel.expand-macos-universal-tags = true
 
 # A list of packages to auto-copy into the wheel. If this is not set, it will