--- /dev/null
+#
+# This file is part of the GROMACS molecular simulation package.
+#
+# Copyright (c) 2014, by the GROMACS development team, led by
+# Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+# and including many others, as listed in the AUTHORS file in the
+# top-level source directory and at http://www.gromacs.org.
+#
+# GROMACS is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation; either version 2.1
+# of the License, or (at your option) any later version.
+#
+# GROMACS is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with GROMACS; if not, see
+# http://www.gnu.org/licenses, or write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# If you want to redistribute modifications to GROMACS, please
+# consider that scientific software is very special. Version
+# control is crucial - bugs must be traceable. We will be happy to
+# consider code for inclusion in the official distribution, but
+# derived work must not be called official GROMACS. Details are found
+# in the README & COPYING files - if they are missing, get the
+# official version at http://www.gromacs.org.
+#
+# To help us fund GROMACS development, we humbly ask that you cite
+# the research papers on the package. Check out http://www.gromacs.org.
+
+gmx_add_unit_test(RandomUnitTests random-test
+ random.cpp)
--- /dev/null
+/*
+ * This file is part of the GROMACS molecular simulation package.
+ *
+ * Copyright (c) 2014, by the GROMACS development team, led by
+ * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+ * and including many others, as listed in the AUTHORS file in the
+ * top-level source directory and at http://www.gromacs.org.
+ *
+ * GROMACS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * GROMACS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with GROMACS; if not, see
+ * http://www.gnu.org/licenses, or write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * If you want to redistribute modifications to GROMACS, please
+ * consider that scientific software is very special. Version
+ * control is crucial - bugs must be traceable. We will be happy to
+ * consider code for inclusion in the official distribution, but
+ * derived work must not be called official GROMACS. Details are found
+ * in the README & COPYING files - if they are missing, get the
+ * official version at http://www.gromacs.org.
+ *
+ * To help us fund GROMACS development, we humbly ask that you cite
+ * the research papers on the package. Check out http://www.gromacs.org.
+ */
+/*! \internal \file
+ * \brief
+ * Tests utilities for random number generation.
+ *
+ * \author Roland Schulz <roland@utk.edu>
+ * \ingroup module_random
+ */
+#include <vector>
+
+#include <gtest/gtest.h>
+
+#include "external/Random123-1.08/include/Random123/threefry.h"
+
+#include "testutils/refdata.h"
+
+namespace
+{
+
+class Threefry : public ::testing::TestWithParam<std::pair<threefry2x64_ctr_t,
+ threefry2x64_key_t> >
+{
+};
+
+TEST_P(Threefry, 2x64)
+{
+ gmx::test::TestReferenceData data;
+
+ gmx::test::TestReferenceChecker checker(data.rootChecker());
+
+ const std::pair<threefry2x64_ctr_t, threefry2x64_key_t> input = GetParam();
+
+ threefry2x64_ctr_t rand = threefry2x64(input.first, input.second);
+
+ checker.checkSequenceArray(2, rand.v, "Threefry2x64");
+}
+
+//The input values are the same as the ones used by Known Answer Tests (kat) in
+//Random123. Reference values agree with those in kat_vectors
+/** input value: zero */
+const threefry2x64_ctr_t tf_zero = {{0, 0}};
+/** input value: max unit64 */
+const threefry2x64_ctr_t tf_max = {{std::numeric_limits<gmx_uint64_t>::max(),
+ std::numeric_limits<gmx_uint64_t>::max()}};
+/** input value: Pi */
+const threefry2x64_ctr_t tf_pi1 = {{0x243f6a8885a308d3, 0x13198a2e03707344}};
+/** input value: More Pi */
+const threefry2x64_ctr_t tf_pi2 = {{0xa4093822299f31d0, 0x082efa98ec4e6c89}};
+
+INSTANTIATE_TEST_CASE_P(0_ff_pi, Threefry,
+ ::testing::Values(std::make_pair(tf_zero, tf_zero),
+ std::make_pair(tf_max, tf_max),
+ std::make_pair(tf_pi1, tf_pi2)));
+
+} // namespace
biod.pnpi.spb.ru / alexxy / gromacs.git / commitdiff