Function one

test/int/linear.cpp:44–49

Check whether \a a has only one coefficients

     /// Check whether \a a has only one coefficients
     bool one(const Gecode::IntArgs& a) {
      for (int i=a.size(); i--; )
        if (a[i] != 1)
          return false;
      return true;
    }

     /**
      * \defgroup TaskTestIntLinear Linear constraints