feat: lookupless rounding ops #4253

Job	Run time
library-tests	3m 40s
build	4m 59s
docs	5m 23s
model-serialization	3m 8s
prove-and-verify-aggr-tests-gpu	2m 6s
ultra-overflow-tests	7m 31s
ultra-overflow-tests_og-lookup	7m 26s
wasm32-tests	7m 33s
ios-integration-tests	5m 32s
python-integration-tests	1h 36m 54s
python-tests	13m 6s
prove-and-verify-tests	15m 42s
examples	11m 53s
swift-package-tests	14m 47s
prove-and-verify-evm-tests	1h 3m 10s
tutorial	15m 0s
accuracy-measurement-tests	44m 35s
mock-proving-tests	1h 9m 53s
prove-and-verify-aggr-evm-tests	41m 35s
prove-and-verify-aggr-tests	40m 28s
prove-and-verify-mock-aggr-tests	18m 41s
	8h 13m 2s

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