Squashed 'third_party/eigen/' content from commit 61d72f6

Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/test/pardiso_support.cpp b/test/pardiso_support.cpp
new file mode 100644
index 0000000..67efad6
--- /dev/null
+++ b/test/pardiso_support.cpp
@@ -0,0 +1,29 @@
+/* 
+   Intel Copyright (C) ....
+*/
+
+#include "sparse_solver.h"
+#include <Eigen/PardisoSupport>
+
+template<typename T> void test_pardiso_T()
+{
+  PardisoLLT < SparseMatrix<T, RowMajor>, Lower> pardiso_llt_lower;
+  PardisoLLT < SparseMatrix<T, RowMajor>, Upper> pardiso_llt_upper;
+  PardisoLDLT < SparseMatrix<T, RowMajor>, Lower> pardiso_ldlt_lower;
+  PardisoLDLT < SparseMatrix<T, RowMajor>, Upper> pardiso_ldlt_upper;
+  PardisoLU  < SparseMatrix<T, RowMajor> > pardiso_lu;
+
+  check_sparse_spd_solving(pardiso_llt_lower);
+  check_sparse_spd_solving(pardiso_llt_upper);
+  check_sparse_spd_solving(pardiso_ldlt_lower);
+  check_sparse_spd_solving(pardiso_ldlt_upper);
+  check_sparse_square_solving(pardiso_lu);
+}
+
+void test_pardiso_support()
+{
+  CALL_SUBTEST_1(test_pardiso_T<float>());
+  CALL_SUBTEST_2(test_pardiso_T<double>());
+  CALL_SUBTEST_3(test_pardiso_T< std::complex<float> >());
+  CALL_SUBTEST_4(test_pardiso_T< std::complex<double> >());
+}