Method extendAssignment

test/float/arithmetic.cpp:263–271

Extend assignment \a x

       }
       /// Extend assignment \a x
       virtual bool extendAssignment(Assignment& x) const {
         Gecode::FloatVal d = sqr(x[0]);
         if (Gecode::Float::subset(d, dom)) {
           x.set(1, d);
           return true;
         } else {
           return false;
         }
       }
       /// Post constraint on \a x
       virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x) {
         Gecode::sqr(home, x[0], x[1]);