feat(cpp): use cxx (was cbindgen) and mv interface in a workspace

concrete-optimizer-cpp/src/cpp/concrete-optimizer.cpp

@@ -0,0 +1,33 @@
+#include <cstdint>
+#include <type_traits>
+
+struct Solution;
+
+#ifndef CXXBRIDGE1_STRUCT_Solution
+#define CXXBRIDGE1_STRUCT_Solution
+struct Solution final {
+  ::std::uint64_t input_lwe_dimension;
+  ::std::uint64_t internal_ks_output_lwe_dimension;
+  ::std::uint64_t ks_decomposition_level_count;
+  ::std::uint64_t ks_decomposition_base_log;
+  ::std::uint64_t glwe_polynomial_size;
+  ::std::uint64_t glwe_dimension;
+  ::std::uint64_t br_decomposition_level_count;
+  ::std::uint64_t br_decomposition_base_log;
+  double complexity;
+  double noise_max;
+  double p_error;
+
+  using IsRelocatable = ::std::true_type;
+};
+#endif // CXXBRIDGE1_STRUCT_Solution
+
+namespace concrete_optimizer {
+extern "C" {
+::Solution concrete_optimizer$cxxbridge1$optimise_bootstrap(::std::uint64_t precision, ::std::uint64_t security_level, double noise_factor, double maximum_acceptable_error_probability) noexcept;
+} // extern "C"
+
+::Solution optimise_bootstrap(::std::uint64_t precision, ::std::uint64_t security_level, double noise_factor, double maximum_acceptable_error_probability) noexcept {
+  return concrete_optimizer$cxxbridge1$optimise_bootstrap(precision, security_level, noise_factor, maximum_acceptable_error_probability);
+}
+} // namespace concrete_optimizer