how to resolve the following cast errors?

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harrison kuo 2016 年 5 月 2 日

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この質問への直接リンク

https://jp.mathworks.com/matlabcentral/answers/282211-how-to-resolve-the-following-cast-errors

コメント済み: Walter Roberson 2016 年 5 月 2 日

Error using mex
In file included from
/home/proj/elendil/peimin/Matlab_Simulink_Models/trunk/Adaptrum_Matlab_FuncLib/Viterbi/cpp_files/scanning_bit_comparator.cpp:139:0:
/home/proj/elendil/peimin/Matlab_Simulink_Models/trunk/Adaptrum_Matlab_FuncLib/Viterbi/cpp_files/errdet.cpp: In member function ?bool
ErrorDetector::scan()?:
/home/proj/elendil/peimin/Matlab_Simulink_Models/trunk/Adaptrum_Matlab_FuncLib/Viterbi/cpp_files/errdet.cpp:24:49: error: cast from
?void*? to ?unsigned int? loses precision [-fpermissive]
     unsigned txBit = (unsigned) (txData->peek(i));
                                                   ^
  /home/proj/elendil/peimin/Matlab_Simulink_Models/trunk/Adaptrum_Matlab_FuncLib/Viterbi/cpp_files/errdet.cpp:25:49: error: cast from
  ?void*? to ?unsigned int? loses precision [-fpermissive]
       unsigned rxBit = (unsigned) (rxData->peek(i));
                                                   ^
  /home/proj/elendil/peimin/Matlab_Simulink_Models/trunk/Adaptrum_Matlab_FuncLib/Viterbi/cpp_files/errdet.cpp: In member function
  ?ErrorDetectorState ErrorDetector::advance(unsigned int, unsigned int, unsigned int*)?:
  /home/proj/elendil/peimin/Matlab_Simulink_Models/trunk/Adaptrum_Matlab_FuncLib/Viterbi/cpp_files/errdet.cpp:40:29: warning: cast to
  pointer from integer of different size [-Wint-to-pointer-cast]
       txData->append((void *) txBit);
                               ^