Fold abs where the sign of its argument is known (#881) - #901

Fold abs where the sign of its argument is known (#881)#901

Rafael-SOWNet merged 2 commits into

masterASC-Community/AngouriMath:masterfrom

fix/abs-of-known-signASC-Community/AngouriMath:fix/abs-of-known-signCopy head branch name to clipboard