use max-norm in check_fx()
use max-norm in check_fx()

lokik/sfepy,sfepy/sfepy,rc/sfepy,BubuLK/sfepy,lokik/sfepy,vlukes/sfepy,rc/sfepy,RexFuzzle/sfepy,BubuLK/sfepy,sfepy/sfepy,BubuLK/sfepy,lokik/sfepy,lokik/sfepy,vlukes/sfepy,vlukes/sfepy,sfepy/sfepy,rc/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy