John Thacker authored Apr 01, 2024 and AndersBroman committed Apr 04, 2024

Add a class for a QCustomPlot SI prefix axis ticker, using
format_units, and supporting both linear and log scales.
Use this for all the known IO Graph unit types (except don't
try to interpret BASE_UNIT_STRING yet.)

Use this to replace automatically scaling the data, avoiding
a lot of expensive floating point calculations for busy graphs.
This should make it easier to support smaller intervals
eventually (see #13682).

Fix #12827. Fix #14661.