Method solution

test/float/arithmetic.cpp:356–363

%Test whether \a x is solution

         : Test("Arithmetic::Sqrt::XX::"+s,1,d,st,CPLT_ASSIGNMENT,false) {}
       /// %Test whether \a x is solution
       virtual MaybeType solution(const Assignment& x) const {
         switch (cmp(x[0], Gecode::FRT_GQ, 0.0)) {
         case MT_FALSE: return MT_FALSE;
         case MT_MAYBE: return MT_MAYBE;
         default:
           return eq(sqrt(x[0]), x[0]);
         }
       }
       /// Post constraint on \a x
       virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x) {
         Gecode::sqrt(home, x[0], x[0]);