how to resolve the following cast errors?

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harrison kuo
harrison kuo on 2 May 2016
Commented: Walter Roberson on 2 May 2016
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);
^
  1 Comment
Walter Roberson
Walter Roberson on 2 May 2016
On the target machine, what is the size of an unsigned int, and what is the size of a pointer?

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