added query_expr for test purposes

[SVN r82590]

tests/query_expr.cpp

@@ -0,0 +1,211 @@
+// Boost.Geometry Index
+// Additional tests
+
+// Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/geometry/index/query_expr.hpp>
+
+#include <boost/timer.hpp>
+#include <fstream>
+#include <iostream>
+
+template <typename T>
+struct Test
+{
+    inline Test(T const& t) : v(t) {}
+    T v;
+};
+
+template <typename T1, typename T2, typename T3>
+struct Raw
+{
+    inline explicit Raw(T1 const& t1, T2 const& t2, T3 const& t3) : v1(t1), v2(t2), v3(t3) {}
+    T1 v1;
+    T2 v2;
+    T3 v3;
+};
+
+template <typename T1, typename T2> inline
+boost::tuples::cons<
+    Test<T2>,
+    boost::tuples::cons<Test<T1>, boost::tuples::null_type>
+>
+operator&&(Test<T1> const& t1, Test<T2> const& t2)
+{
+    return
+    boost::tuples::cons<
+        Test<T2>,
+        boost::tuples::cons<Test<T1>, boost::tuples::null_type>
+    >(t2,
+      boost::tuples::cons<Test<T1>, boost::tuples::null_type>(t1, boost::tuples::null_type())
+     );
+}
+
+template <typename H, typename T, typename T2> inline
+boost::tuples::cons<
+    Test<T2>,
+    boost::tuples::cons<H, T>
+>
+operator&&(boost::tuples::cons<H, T> const& t, Test<T2> const& t2)
+{
+    return
+    boost::tuples::cons<
+        Test<T2>,
+        boost::tuples::cons<H, T>
+    >(t2, t);
+}
+
+template <typename T>
+struct Test2
+{
+    inline Test2(T const& t) : v(t) {}
+    T v;
+};
+
+template <typename T1, typename T2> inline
+boost::tuples::cons<
+    Test2<T1>,
+    boost::tuples::cons<Test2<T2>, boost::tuples::null_type>
+>
+operator&&(Test2<T1> const& t1, Test2<T2> const& t2)
+{
+    return
+    boost::tuples::cons<
+        Test2<T1>,
+        boost::tuples::cons<Test2<T2>, boost::tuples::null_type>
+    >(t1,
+      boost::tuples::cons<Test2<T2>, boost::tuples::null_type>(t2, boost::tuples::null_type())
+     );
+}
+
+template <typename T, typename Tuple, size_t I, size_t N>
+struct add
+{
+    typedef
+    boost::tuples::cons<
+        typename boost::tuples::element<I, Tuple>::type,
+        typename add<T, Tuple, I+1, N>::type
+    > type;
+
+    static type apply(T const& t, Tuple const& tup)
+    {
+        return
+        type(
+            boost::get<I>(tup),
+            add<T, Tuple, I+1, N>::apply(t, tup)
+        );
+    }
+};
+
+template <typename T, typename Tuple, size_t I>
+struct add<T, Tuple, I, I>
+{
+    typedef boost::tuples::cons<T, boost::tuples::null_type> type;
+
+    static type apply(T const& t, Tuple const&)
+    {
+        return type(t, boost::tuples::null_type());
+    }
+};
+
+template <typename H, typename T, typename T2> inline
+typename add<
+    Test2<T2>,
+    boost::tuples::cons<H, T>,
+    0,
+    boost::tuples::length<boost::tuples::cons<H, T> >::value
+>::type
+operator&&(boost::tuples::cons<H, T> const& t, Test2<T2> const& t2)
+{
+    return
+    add<
+        Test2<T2>,
+        boost::tuples::cons<H, T>,
+        0,
+        boost::tuples::length<boost::tuples::cons<H, T> >::value
+    >::apply(t2, t);
+}
+
+template <typename T> inline
+double test(T const& t)
+{
+    return boost::get<0>(t).v + boost::get<1>(t).v + boost::get<2>(t).v;
+}
+
+int main()
+{
+    using namespace boost::geometry::index::qe;
+
+    boost::timer tim;
+
+    size_t count = 200000000;
+    int dummy = 0;
+    std::ifstream f("blablabla");
+    f >> dummy;
+
+    std::cout << "&&1  &&2  b,   r,\n";
+
+    double sum1 = 0, sum2 = 0, sum3 = 0, sum4 = 0;
+    for(size_t i = 0 ; i < 20; ++i)
+    {
+        double foo = 0;
+
+        {
+            tim.restart();
+            for ( size_t i = 0 ; i < count ; ++i )
+            {
+                foo += test(Test<int>(dummy) && Test<double>(dummy) && Test<float>(dummy));
+            }
+            double t = tim.elapsed();
+            sum1 += t;
+            std::cout << t << ' ';
+        }
+
+        {
+            tim.restart();
+            for ( size_t i = 0 ; i < count ; ++i )
+            {
+                foo += test(Test2<int>(dummy) && Test2<double>(dummy) && Test2<float>(dummy));
+            }
+            double t = tim.elapsed();
+            sum2 += t;
+            std::cout << t << ' ';
+        }
+
+        {
+            tim.restart();
+            for ( size_t i = 0 ; i < count ; ++i )
+            {
+                boost::tuple<Test<int>, Test<double>, Test<float> > tup
+                    = boost::make_tuple(Test<int>(dummy), Test<double>(dummy), Test<float>(dummy));
+                foo += boost::get<0>(tup).v + boost::get<1>(tup).v + boost::get<2>(tup).v;
+            }
+            double t = tim.elapsed();
+            sum3 += t;
+            std::cout << t << ' ';
+        }
+
+        {
+            tim.restart();
+            for ( size_t i = 0 ; i < count ; ++i )
+            {
+                Raw<Test<int>, Test<double>, Test<float> > tup(dummy, dummy, dummy);
+                foo += tup.v1.v + tup.v2.v + tup.v3.v;
+            }
+            double t = tim.elapsed();
+            sum4 += t;
+            std::cout << t << ' ';
+        }
+
+        std::cout << foo << '\n';
+    }
+
+    std::cout << "sums:\n";
+    std::cout << sum1 << " " << sum2 << " " << sum3 << " " << sum4;
+
+    return 0;
+}