fix(code-quality): comment-out unused parameters

Author: krishnakumarg1984

cpp/tests/credible_region.cc

@@ -14,7 +14,7 @@ t_uint N = rows * cols;
 
 TEST_CASE("calculating gamma") {
   sopt::logging::set_level("debug");
-  const std::function<t_real(t_Vector)> energy_function = [](const t_Vector &input) -> t_real {
+  const std::function<t_real(t_Vector)> energy_function = [](const t_Vector & /*input*/) -> t_real {
     return 0.;
   };
   const t_Vector x = t_Vector::Random(N);

cpp/tests/forward_backward.cc

@@ -39,7 +39,7 @@ TEST_CASE("Forward Backward with ||x - x0||_2^2 function", "[fb]") {
   auto const grad = [](t_Vector &out, const t_Vector &x) { out = x; };
   const t_Vector x_guess = t_Vector::Random(target0.size());
   const t_Vector res = x_guess - target0;
-  auto const convergence = [&target0](const t_Vector &x, const t_Vector &res) -> bool {
+  auto const convergence = [&target0](const t_Vector &x, const t_Vector & /*res*/) -> bool {
     return x.isApprox(target0, 1e-9);
   };
   CAPTURE(target0);

cpp/tests/primal_dual.cc

@@ -60,7 +60,7 @@ TEST_CASE("Primal Dual with 0.5 * ||x - x0||_2^2 function", "[primaldual]") {
   auto const g = proximal::L2Norm<Scalar>();
   const t_Vector x_guess = t_Vector::Random(target0.size());
   const t_Vector res = x_guess - target0;
-  auto const convergence = [&target0](const t_Vector &x, const t_Vector &res) -> bool {
+  auto const convergence = [&target0](const t_Vector &x, const t_Vector & /*res*/) -> bool {
     return x.isApprox(target0, 1e-9);
   };
   CAPTURE(target0);