thanks for your help.
[ 81%] Building CXX object analitzaplot/CMakeFiles/AnalitzaPlot.dir/AnalitzaPlot_automoc.cpp.o
/Users/marko/WC/KDECI-builds/analitza/analitzaplot/plotter2d.cpp:380:62: error: expected '(' for function-style cast or type construction
s += computeAngleLabelByStep(std::abs<int>(i), bigstep);
~~~^
/Users/marko/WC/KDECI-builds/analitza/analitzaplot/plotter2d.cpp:383:97: error: expected '(' for function-style cast or type construction
const QPair<unsigned int, unsigned int> frac = simplifyFraction(std::abs<int>(i), step);
~~~^
2 errors generated.