Full warning message


[C++ Warning] lexical_cast.hpp(468): W8041 Negating unsigned value

[C++ Warning] lexical_cast.hpp(474): W8041 Negating unsigned value

Cause


#include <boost/lexical_cast.hpp>

Which takes you to the following line in 'include/boost/lexical_cast.hpp':


inline unsigned int lcast_to_unsigned(int value)

{

  unsigned int uval = value;

  return value < 0 ? -uval : uval;  //This line

}



inline unsigned long lcast_to_unsigned(long value)

{

  unsigned long uval = value;

  return value < 0 ? -uval : uval;  //This line

}

IDE: C++ Builder 6.0

Compiler: Borland BCC32.EXE version 6.0.10.157

Boost version: 1.35.0.

Solution

This compiler is not supported by Boost. Change to another compiler.

To suppress the warning write the code below, that disables the warning temporarily.




//Specific for BCC32.exe

#pragma warn -8041

  #include <boost/lexical_cast.hpp>

#pragma warn +8041

Go back to Richel Bilderbeek's C++ page.

Go back to Richel Bilderbeek's homepage.

(C++) lexical_cast.hpp: Negating unsigned value

Full warning message

Cause

Solution