add missing includes

Author: nim65s

examples/cpp/loading_sparse_qp.cpp

@@ -1,3 +1,4 @@
+#include <iostream>
 #include <proxsuite/proxqp/sparse/sparse.hpp> // get the sparse API of ProxQP
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp> // used for generating a random convex Qp
 

examples/cpp/solve_without_api.cpp

@@ -1,3 +1,4 @@
+#include <iostream>
 #include "proxsuite/proxqp/sparse/sparse.hpp" // get the sparse backend of ProxQP
 #include "proxsuite/proxqp/dense/dense.hpp"   // get the dense backend of ProxQP
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp> // used for generating a random convex Qp

examples/cpp/solve_without_api_and_option.cpp

@@ -1,3 +1,4 @@
+#include <iostream>
 #include <proxsuite/proxqp/sparse/sparse.hpp> // get the sparse backend of ProxQP
 #include <proxsuite/proxqp/dense/dense.hpp>   // get the dense backend of ProxQP
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp> // used for generating a random convex Qp

examples/cpp/update_sparse_qp.cpp

@@ -1,3 +1,4 @@
+#include <iostream>
 #include <proxsuite/proxqp/sparse/sparse.hpp> // get the sparse API of ProxQP
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp> // used for generating a random convex Qp
 

test/src/sparse_qp.cpp

@@ -1,6 +1,7 @@
 //
 // Copyright (c) 2022 INRIA
 //
+#include <iostream>
 #include <proxsuite/proxqp/sparse/wrapper.hpp>
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp>
 #include <doctest.hpp>

test/src/sparse_qp_solve.cpp

@@ -1,6 +1,7 @@
 //
 // Copyright (c) 2022 INRIA
 //
+#include <iostream>
 #include <doctest.hpp>
 #include <proxsuite/proxqp/sparse/sparse.hpp>
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp>

test/src/sparse_qp_wrapper.cpp

@@ -1,6 +1,7 @@
 //
 // Copyright (c) 2022 INRIA
 //
+#include <iostream>
 #include <proxsuite/proxqp/sparse/sparse.hpp>
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp>
 #include <doctest.hpp>

test/src/sparse_ruiz_equilibration.cpp

@@ -1,6 +1,7 @@
 //
 // Copyright (c) 2022 INRIA
 //
+#include <iostream>
 #include <proxsuite/proxqp/sparse/solver.hpp>
 #include <proxsuite/proxqp/dense/preconditioner/ruiz.hpp>
 #include <proxsuite/proxqp/utils/random_qp_problems.hpp>