ECHO: [-3, 6, -3]
ECHO: [17, -10, 8]
ECHO: [15, 15, 15]
WARNING: Invalid value (NaN) in parameter vector for cross() in file cross-tests.scad, line 5
ECHO: undef
WARNING: Invalid value (INF) in parameter vector for cross() in file cross-tests.scad, line 6
ECHO: undef
WARNING: Invalid value (INF) in parameter vector for cross() in file cross-tests.scad, line 7
ECHO: undef
WARNING: cross() number of parameters does not match: expected 2, found 1 in file cross-tests.scad, line 9
ECHO: undef
WARNING: cross() parameter could not be converted: argument 0: expected vector, found number (0) in file cross-tests.scad, line 10
ECHO: undef
WARNING: cross() parameter could not be converted: argument 0: expected vector, found number (0) in file cross-tests.scad, line 11
ECHO: undef
WARNING: cross() number of parameters does not match: expected 2, found 3 in file cross-tests.scad, line 12
ECHO: undef
WARNING: Invalid vector size of parameter for cross() in file cross-tests.scad, line 13
ECHO: undef
WARNING: Invalid vector size of parameter for cross() in file cross-tests.scad, line 14
ECHO: undef
WARNING: Invalid value in parameter vector for cross() in file cross-tests.scad, line 15
ECHO: undef
WARNING: Invalid value in parameter vector for cross() in file cross-tests.scad, line 16
ECHO: undef
WARNING: Invalid value in parameter vector for cross() in file cross-tests.scad, line 17
ECHO: undef
ECHO: -3
