ECHO: [-3, 6, -3]
ECHO: [17, -10, 8]
ECHO: [15, 15, 15]
WARNING: Invalid value (NaN) in parameter vector for cross()
ECHO: undef
WARNING: Invalid value (INF) in parameter vector for cross()
ECHO: undef
WARNING: Invalid value (INF) in parameter vector for cross()
ECHO: undef
WARNING: Invalid number of parameters for cross()
ECHO: undef
WARNING: Invalid type of parameters for cross()
ECHO: undef
WARNING: Invalid type of parameters for cross()
ECHO: undef
WARNING: Invalid number of parameters for cross()
ECHO: undef
WARNING: Invalid vector size of parameter for cross()
ECHO: undef
WARNING: Invalid vector size of parameter for cross()
ECHO: undef
WARNING: Invalid value in parameter vector for cross()
ECHO: undef
WARNING: Invalid value in parameter vector for cross()
ECHO: undef
WARNING: Invalid value in parameter vector for cross()
ECHO: undef
ECHO: -3
