In pathrollerdemo.lsl you are calling a function that is not defined in the included files but is defined in mathfunctions.lsl

you also have some errors with the given functions but the demo seems to be calling them incorrectly so this becomes an infuriating chain of patching trying to patch incorrect function calls.
In pathrollerdemo.lsl you are calling a function that is not defined in the included files but is defined in mathfunctions.lsl
you also have some errors with the given functions but the demo seems to be calling them incorrectly so this becomes an infuriating chain of patching trying to patch incorrect function calls.