exception.h

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#ifndef SIRIUS_FFTW_EXCEPTION_H_
#define SIRIUS_FFTW_EXCEPTION_H_

#include <string>

#include "sirius/exception.h"

namespace sirius {
namespace fftw {

enum class ErrorCode {
    kSuccess = 0,             
    kMemoryAllocationFailed,  
    kPlanCreationFailed,      
    kComplexAllocationFailed, 
    kRealAllocationFailed     
};

class Exception : public sirius::Exception {
  public:
    Exception(ErrorCode code);

    Exception(const Exception&) = default;
    Exception& operator=(const Exception&) = default;
    Exception(Exception&&) = default;
    Exception& operator=(Exception&&) = default;

    const char* what() const noexcept override;

  private:
    ErrorCode err_code_;
    std::string default_err_msg_;
};

}  // namespace fftw
}  // namespace sirius

#endif  // SIRIUS_FFTW_EXCEPTION_H_