Merge pull request qutip#2529 from Ericgig/bug.mkl_win

Fix failing test with mkl windows

.github/workflows/tests.yml

@@ -211,6 +211,7 @@ jobs:
         # to see if something hung.
         timeout-minutes: 60
         run: |
+          export MKL_VERBOSE=2
           if [[ -n "${{ matrix.openmp }}" ]]; then
             # Force OpenMP runs to use more threads, even if there aren't
             # actually that many CPUs.  We have to check any dispatch code is

qutip/about.py

@@ -56,7 +56,7 @@ def about():
     print("Number of CPUs:     %s" % settings.num_cpus)
     print("BLAS Info:          %s" % _blas_info())
     # print("OPENMP Installed:   %s" % str(qutip.settings.has_openmp))
-    print("INTEL MKL Ext:      %s" % str(settings.has_mkl))
+    print("INTEL MKL Ext:      %s" % settings.mkl_lib_location)
     print("Platform Info:      %s (%s)" % (platform.system(),
                                            platform.machine()))
     qutip_install_path = os.path.dirname(inspect.getsourcefile(qutip))

qutip/settings.py

@@ -80,6 +80,10 @@ def _find_mkl():
     distributions.
     """
     plat = sys.platform
+    # TODO: fix the mkl handling on windows or use modules like pydiso to do it
+    # for us.
+    if plat.startswith("win"):
+        return ""
     python_dir = os.path.dirname(sys.executable)
     if plat in ['darwin', 'linux2', 'linux']:
         python_dir = os.path.dirname(python_dir)