Merge pull request #3077 from stan-dev/fix/3075-hcubature-bad-moves

Remove problematic calls to std::move in hcubature

Author: WardBrian

stan/math/prim/functor/hcubature.hpp

@@ -479,8 +479,8 @@ inline auto hcubature(const F& integrand, const ParsTuple& pars, const int dim,
       std::tie(result_2, err_2, kdivide_2) = internal::integrate_GenzMalik(
           integrand, genz_malik, dim, box.a_, mb, pars);
     }
-    box_t box1(std::move(ma), std::move(box.b_), result_1, kdivide_1);
-    box_t box2(std::move(box.a_), std::move(mb), result_2, kdivide_2);
+    box_t box1(std::move(ma), box.b_, result_1, kdivide_1);
+    box_t box2(box.a_, std::move(mb), result_2, kdivide_2);
     result += result_1 + result_2 - box.I_;
     err += err_1 + err_2 - err_vec[err_idx];
     ms[err_idx].I_ = 0;

test/unit/math/prim/functor/hcubature_test.cpp

@@ -1,5 +1,6 @@
 #include <stan/math/prim/functor.hpp>
 #include <stan/math/prim/fun.hpp>
+#include <stan/math/prim/prob/wiener_full_lpdf.hpp>
 
 #include <gtest/gtest.h>
 #include <vector>
@@ -163,3 +164,22 @@ TEST(StanMath_hcubature_prim, test1) {
                    std::make_tuple((1 + sqrt(10.0)) / 9.0), dim, a_4, b_4,
                    20000, 0.0, reqRelError_3, 0.999998);
 }
+
+TEST(StanMath_hcubature_prim, test_issue_3075) {
+  // test for regressions against issue
+  // https://github.com/stan-dev/math/issues/3075
+  using stan::math::internal::GradientCalc;
+  using stan::math::internal::wiener5_density;
+  using stan::math::internal::wiener7_integrate;
+
+  auto params_st = std::make_tuple(0.553273, 1, -3.5, 0.55, 0.553161, 1.06423,
+                                   0.0941929, 0.0, -28.3242);
+  Eigen::VectorXd xmin = Eigen::VectorXd::Zero(2);
+  Eigen::VectorXd xmax = Eigen::VectorXd::Ones(2);
+
+  auto f = wiener7_integrate<GradientCalc::OFF, GradientCalc::OFF>(
+      [](auto&&... args) { return wiener5_density<GradientCalc::ON>(args...); },
+      -18.3029, params_st, 1, xmin, xmax, 6000, 0, 4.5e-05);
+
+  ASSERT_FLOAT_EQ(f, 4.97571e-312);
+}