Fix serialize tests and small bug

src/limbo/model/gp.hpp

@@ -435,8 +435,6 @@ namespace limbo {
             {
                 Eigen::VectorXd h_params;
                 archive.load(h_params, "kernel_params");
-                assert(h_params.size() == _kernel_function.h_params().size());
-                _kernel_function.set_h_params(h_params);
 
                 // should we save parameters of the mean function as well?
                 _samples.clear();
@@ -447,6 +445,9 @@ namespace limbo {
                 _dim_in = _samples[0].size();
                 _kernel_function = KernelFunction(_dim_in);
 
+                assert(h_params.size() == _kernel_function.h_params().size());
+                _kernel_function.set_h_params(h_params);
+
                 _dim_out = _observations.cols();
                 _mean_function = MeanFunction(_dim_out);
 

src/tests/test_serialize.cpp

@@ -105,7 +105,7 @@ BOOST_AUTO_TEST_CASE(test_text_archive)
     for (size_t i = 0; i < k; i++) {
         Eigen::VectorXd s = tools::random_vector(3).array() * 4.0 - 2.0;
         auto v1 = gp.query(s);
-        auto v2 = gp.query(s);
+        auto v2 = gp2.query(s);
         BOOST_CHECK_CLOSE(std::get<0>(v1)[0], std::get<0>(v2)[0], 1e-10);
         BOOST_CHECK_CLOSE(std::get<1>(v1), std::get<1>(v2), 1e-10);
     }
@@ -146,7 +146,7 @@ BOOST_AUTO_TEST_CASE(test_bin_archive)
     for (size_t i = 0; i < k; i++) {
         Eigen::VectorXd s = tools::random_vector(3).array() * 4.0 - 2.0;
         auto v1 = gp.query(s);
-        auto v2 = gp.query(s);
+        auto v2 = gp2.query(s);
         BOOST_CHECK_CLOSE(std::get<0>(v1)[0], std::get<0>(v2)[0], 1e-10);
         BOOST_CHECK_CLOSE(std::get<1>(v1), std::get<1>(v2), 1e-10);
     }