globalfunc.cpp

   1 #include <cmath>
   2 #include "globalfunc.h"
   3
   4 namespace botor
   5 {
   6
   7 // template<typename T>
   8 // int sign( T a )
   9 // {
  10 //      return (a == 0) ? 0 : ( (a<0) ? -1 : 1 );
  11 // }
  12
  13 double dst( float x1, float y1, float x2, float y2 )
  14 {
  15         return sqrt( pow( y2-y1, 2 ) + pow( x2-x1, 2 ) );
  16 }
  17
  18 bool isBitSet( unsigned int mask, unsigned int bit )
  19 {
  20         return (mask & bit) == bit;
  21 }
  22
  23 }