ECHO: 0
ECHO: 1
ECHO: 2.23607
ECHO: 3.74166
ECHO: 5.47723
WARNING: norm() number of parameters does not match, in file norm-tests.scad, line 8
ECHO: undef
ECHO: nan
ECHO: inf
ECHO: inf
ECHO: undef
ECHO: undef
ECHO: undef
ECHO: undef
WARNING: Incorrect arguments to norm(), in file norm-tests.scad, line 19
ECHO: undef
WARNING: Incorrect arguments to norm(), in file norm-tests.scad, line 20
ECHO: undef
WARNING: Incorrect arguments to norm(), in file norm-tests.scad, line 21
ECHO: undef
WARNING: Incorrect arguments to norm(), in file norm-tests.scad, line 22
ECHO: undef
WARNING: Incorrect arguments to norm(), in file norm-tests.scad, line 23
ECHO: undef
ECHO: undef
WARNING: norm() number of parameters does not match, in file norm-tests.scad, line 26
ECHO: undef
WARNING: norm() number of parameters does not match, in file norm-tests.scad, line 27
ECHO: undef
