Support multiple scoring criteria

grow/sample.go

@@ -12,15 +12,3 @@ func (s *Sample) SetInputs(state *vm.State) {
 		state.GlobalMemory().WriteUnsigned(uint64(i), val)
 	}
 }
-
-func (s *Sample) matchingOuts(state *vm.State) uint64 {
-	ret := uint64(0)
-
-	for i, val := range s.Out {
-		if state.GlobalMemory().MustReadUnsigned(uint64(i)) == val {
-			ret++
-		}
-	}
-
-	return ret
-}