* add contract and tests
* avoid implicit cast
* add test cases
* fix test names
* modify avarage and add tests
* improve signed average formula
* fix lint
* better average formula
* refactor signed average testing
* add doc and changelog entry
* Update contracts/utils/math/SignedMath.sol
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
* remove ceilDiv
Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
* Add a function which returns the absolute (and obviously unsigned) value of a signed value.
* add changelog entry and fix lint
Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>