kicad-developers team mailing list archive
-
kicad-developers team
-
Mailing list archive
-
Message #18959
Re: Interesting compiler warning
Le 26/06/2015 15:19, Chris Pavlina a écrit :
> Hi,
>
> clang gives this warning a couple times:
>
> [ 45%] Building CXX object polygon/CMakeFiles/polygon.dir/math_for_graphics.cpp.o
> /home/cmp/git/kicad/polygon/math_for_graphics.cpp:71:39: warning: using integer absolute value function 'abs' when argument is of floating point type [-Wabsolute-value]
> *dist = std::min( abs( a - xi ), abs( a - xf ) );
> ^
> /home/cmp/git/kicad/polygon/math_for_graphics.cpp:71:39: note: use function 'std::abs' instead
> *dist = std::min( abs( a - xi ), abs( a - xf ) );
> ^~~
> std::abs
>
> Can someone familiar with that section have a look and see if that is
> indeed the desired behavior? I'm thinking this will cause some rounding
> errors in potentionally subtle places.
>
> --
> Chris
should be std::abs.
Generally speaking, only std::min, std::max std::abs should be used in
Kicad code.
--
Jean-Pierre CHARRAS
Follow ups
References