alloc-check.hpp

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#pragma once
 
#include <Eigen/Core>
 
namespace alpaqa {
 
#ifdef EIGEN_RUNTIME_NO_MALLOC
template <bool Allow>
struct ScopedMallocChecker {
    ScopedMallocChecker() : prev(Eigen::internal::is_malloc_allowed()) {
        Eigen::internal::set_is_malloc_allowed(Allow);
    }
    ~ScopedMallocChecker() { Eigen::internal::set_is_malloc_allowed(prev); }
    bool prev;
};
#else
template <bool>
struct [[maybe_unused]] ScopedMallocChecker {};
#endif
struct [[maybe_unused]] ScopedMallocBlocker : ScopedMallocChecker<false> {};
struct [[maybe_unused]] ScopedMallocAllower : ScopedMallocChecker<true> {};
 
} // namespace alpaqa