ENH: Update default timing precision to 4 digits and add global precision control for Timer and timeit#805

Merged

mmcky merged 3 commits intomainfrom

copilot/fix-804

Sep 15, 2025

Commits on Sep 15, 2025

Initial plan
Copilot
committed
Implement global timing precision control with 4-digit default

Copilot
and
mmcky
committed
Revert tic/tac/toc/loop_timer to original defaults - keep only Timer and timeit using global precision

Copilot
and
mmcky
committed