CELL_GRANULARITY
width = (uint32)(rint(width / CELL_GRANULARITY) * CELL_GRANULARITY);
/ CELL_GRANULARITY) * CELL_GRANULARITY : 0.0;
/ CELL_GRANULARITY) * CELL_GRANULARITY : 0.0;
/ (100.0 - idealDutyCycle) / (2.0 * CELL_GRANULARITY))
* (2.0 * CELL_GRANULARITY);
/ CELL_GRANULARITY) * CELL_GRANULARITY;