Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/unsupported/test/matrix_square_root.cpp b/unsupported/test/matrix_square_root.cpp
new file mode 100644
index 0000000..ea541e1
--- /dev/null
+++ b/unsupported/test/matrix_square_root.cpp
@@ -0,0 +1,31 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2011 Jitse Niesen <jitse@maths.leeds.ac.uk>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "matrix_functions.h"
+
+template<typename MatrixType>
+void testMatrixSqrt(const MatrixType& m)
+{
+ MatrixType A;
+ generateTestMatrix<MatrixType>::run(A, m.rows());
+ MatrixType sqrtA = A.sqrt();
+ VERIFY_IS_APPROX(sqrtA * sqrtA, A);
+}
+
+void test_matrix_square_root()
+{
+ for (int i = 0; i < g_repeat; i++) {
+ CALL_SUBTEST_1(testMatrixSqrt(Matrix3cf()));
+ CALL_SUBTEST_2(testMatrixSqrt(MatrixXcd(12,12)));
+ CALL_SUBTEST_3(testMatrixSqrt(Matrix4f()));
+ CALL_SUBTEST_4(testMatrixSqrt(Matrix<double,Dynamic,Dynamic,RowMajor>(9, 9)));
+ CALL_SUBTEST_5(testMatrixSqrt(Matrix<float,1,1>()));
+ CALL_SUBTEST_5(testMatrixSqrt(Matrix<std::complex<float>,1,1>()));
+ }
+}