Implement the Nakagami statistical distribution as an extension.

From-SVN: r191434

7 files changed, 295 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/ext/random/nakagami_distribution/cons/default.cc b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/cons/default.cc
new file mode 100644
index 0000000..6edacc4
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/cons/default.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2012-09-18  Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 26.4.8.3.* Class template nakagami_distribution [rand.dist.ext.nakagami]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <ext/random>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  __gnu_cxx::nakagami_distribution<> u;
+  VERIFY( u.mu() == 1.0 );
+  VERIFY( u.omega() == 1.0 );
+  VERIFY( u.min() == 0.0 );
+  typedef __gnu_cxx::nakagami_distribution<>::result_type result_type;
+  VERIFY( u.max() == std::numeric_limits<result_type>::max() );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/ext/random/nakagami_distribution/cons/parms.cc b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/cons/parms.cc
new file mode 100644
index 0000000..6fc23c81
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/cons/parms.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2012-09-18  Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 26.4.8.3.* Class template nakagami_distribution [rand.dist.ext.nakagami]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <ext/random>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  __gnu_cxx::nakagami_distribution<> u(1.5, 3.0);
+  VERIFY( u.mu() == 1.5 );
+  VERIFY( u.omega() == 3.0 );
+  VERIFY( u.min() == 0.0 );
+  typedef __gnu_cxx::nakagami_distribution<>::result_type result_type;
+  VERIFY( u.max() == std::numeric_limits<result_type>::max() );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/equal.cc b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/equal.cc
new file mode 100644
index 0000000..b26be72
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/equal.cc
@@ -0,0 +1,44 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2012-09-18  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 26.5.8.4.5 Class template nakagami_distribution [rand.dist.ext.nakagami]
+
+#include <ext/random>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  __gnu_cxx::nakagami_distribution<double> u(2.0, 3.0), v, w;
+
+  VERIFY( v == w );
+  VERIFY( !(u == v) );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/inequal.cc b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/inequal.cc
new file mode 100644
index 0000000..345da3b
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/inequal.cc
@@ -0,0 +1,44 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2012-09-18  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 26.5.8.4.5 Class template nakagami_distribution [rand.dist.ext.nakagami]
+
+#include <ext/random>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  __gnu_cxx::nakagami_distribution<double> u(2.0, 3.0), v, w;
+
+  VERIFY( u != v );
+  VERIFY( !(v != w) );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/serialize.cc
new file mode 100644
index 0000000..49bb4d3
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/operators/serialize.cc
@@ -0,0 +1,51 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2012-09-18  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 26.4.8.3.* Class template nakagami_distribution [rand.dist.ext.nakagami]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <ext/random>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::stringstream str;
+  __gnu_cxx::nakagami_distribution<double> u(1.5, 3.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+  VERIFY( u == v );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/ext/random/nakagami_distribution/requirements/explicit_instantiation/1.cc b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/requirements/explicit_instantiation/1.cc
new file mode 100644
index 0000000..30f011e
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/requirements/explicit_instantiation/1.cc
@@ -0,0 +1,26 @@
+// { dg-do compile }
+// { dg-options "-std=c++11" }
+// { dg-require-cstdint "" }
+//
+// Copyright (C) 2012 Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <ext/random>
+
+template class __gnu_cxx::nakagami_distribution<float>;
+template class __gnu_cxx::nakagami_distribution<double>;
+template class __gnu_cxx::nakagami_distribution<long double>;
diff --git a/libstdc++-v3/testsuite/ext/random/nakagami_distribution/requirements/typedefs.cc b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/requirements/typedefs.cc
new file mode 100644
index 0000000..d17117e
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/random/nakagami_distribution/requirements/typedefs.cc
@@ -0,0 +1,36 @@
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2012-09-18  Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 26.4.8.3.* Class template nakagami_distribution [rand.dist.ext.nakagami]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <ext/random>
+
+void
+test01()
+{
+  typedef __gnu_cxx::nakagami_distribution<double> test_type;
+
+  typedef test_type::result_type result_type;
+  typedef test_type::param_type param_type;
+}