

fix all the regression tests. 

arnoldfalkwinther.cpp  (ok)
box_ex1.cpp            (ok)
code_gen.cpp           (ok)
compare_archives.cpp
crouzeixraviart_ex2.cpp (ok)
crouzeixraviart_ex.cpp  (ok)
disconlagrange_ex.cpp
dof_ex2.cpp
dof_ex3.cpp
dof_ex.cpp
ex_inspection.cpp
fe_ex1.cpp             (ok)
fe_ex2.cpp             (ok)
fe_ex3.cpp             (ok)
fe_ex4.cpp             (ok)
hermite_ex1.cpp        (ok)
integral_ex1.cpp       (ok)
legendre.cpp           (ok)
line_ex1.cpp           (ok)
line_ex2.cpp           (ok)
line_ex3.cpp           (ok)
mxpoisson_ex.cpp
nedelec_ex1.cpp
nedelec_ex2.cpp
nljacobian_ex.cpp      (ok)
pnpn2_ex.cpp           (ok)
pol.cpp                (ok) 
polh.cpp               (ok)
raviartthomas_ex1.cpp
raviartthomas_ex2.cpp
rectangle_ex1.cpp      (ok)
robust.cpp             (ok)
simple2.cpp            (ok)
simple.cpp             (ok)
simplify.cpp
symbol_factory.cpp
taylorhood_ex.cpp     (ok)
tetrahedron_ex1.cpp   (ok)
tetrahedron_ex2.cpp   (ok)
tetrahedron_ex3.cpp   (ok)
triangle_ex1.cpp      (ok)
triangle_ex2.cpp      (ok)
triangle_ex3.cpp      (ok)

