Testing low frequency values to prevent divisions by zero seems to improve the rendering with Inkscape, but there are still differences when using very low frequency values (<0.005).
Attaching my test patch, in case it could help someone solve the issue properly.
Testing low frequency values to prevent divisions by zero seems to improve the rendering with Inkscape, but there are still differences when using very low frequency values (<0.005).
Attaching my test patch, in case it could help someone solve the issue properly.