Rollup of 7 pull requests#51859

Merged

bors merged 16 commits intorust-lang:masterfrom

Jun 28, 2018

Commits on Jun 26, 2018

Document round-off error in `.mod_euc()`-method, see issue #50179
Fabian Kössel
committed
Clarify rational behind current implementation of `.mod_euc()`
Fabian Kössel
committed
Add unit tests for `.mod_euc()` and `.div_euc()`
Fabian Kössel
committed
Use proper debugging statements for infinite recursion assertion
oli-obk
committed

Commits on Jun 27, 2018