From: Luca Heltai <luca.heltai@sissa.it>
Date: Sat, 21 Jul 2018 15:25:52 +0000 (+0200)
Subject: Add test for new function parser constructor.
X-Git-Tag: v9.1.0-rc1~891^2~2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e36f6cb0054d079c4787b4cf7c2e7c73c556a503;p=dealii.git

Add test for new function parser constructor.
---

diff --git a/tests/base/function_parser_10.cc b/tests/base/function_parser_10.cc
new file mode 100644
index 0000000000..46adb1b54b
--- /dev/null
+++ b/tests/base/function_parser_10.cc
@@ -0,0 +1,51 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2018 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, 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.
+// The full text of the license can be found in the file LICENSE.md at
+// the top level directory of deal.II.
+//
+// ---------------------------------------------------------------------
+
+
+// test rand function
+
+#include <deal.II/base/function_parser.h>
+#include <deal.II/base/point.h>
+
+#include <deal.II/lac/vector.h>
+
+#include <map>
+
+#include "../tests.h"
+
+
+double
+eval(const std::string &exp)
+{
+  FunctionParser<2> fp(exp);
+
+  Point<2> p;
+
+  return fp.value(p);
+}
+
+
+int
+main()
+{
+  initlog();
+
+  double random = eval("rand()"); // random seed
+
+  if (0.0 <= random && random <= 1.0)
+    deallog << "OK" << std::endl;
+
+  deallog << eval("rand_seed(10)") << std::endl;
+}
diff --git a/tests/base/function_parser_10.with_muparser=true.output b/tests/base/function_parser_10.with_muparser=true.output
new file mode 100644
index 0000000000..59f845a429
--- /dev/null
+++ b/tests/base/function_parser_10.with_muparser=true.output
@@ -0,0 +1,3 @@
+
+DEAL::OK
+DEAL::0.771321