Help/guide/tutorial/Step9/MathFunctions/MathFunctions.cxx

   1
   2 #include "MathFunctions.h"
   3
   4 #include <cmath>
   5
   6 #ifdef USE_MYMATH
   7 #  include "mysqrt.h"
   8 #endif
   9
  10 namespace mathfunctions {
  11 double sqrt(double x)
  12 {
  13 #ifdef USE_MYMATH
  14   return detail::mysqrt(x);
  15 #else
  16   return std::sqrt(x);
  17 #endif
  18 }
  19 }