Add math.copySign (#16406)

* add math.copySign * fix + tests
2020-12-30 08:09:30 -06:00 · 2020-12-30 08:09:30 -06:00 · 515cd45420
commit 515cd45420
parent 73f778e441
4 changed files with 94 additions and 1 deletions
--- a/changelog.md
+++ b/changelog.md
@ -69,6 +69,7 @@
 - `echo` and `debugEcho` will now raise `IOError` if writing to stdout fails.  Previous behavior
  silently ignored errors.  See #16366.  Use `-d:nimLegacyEchoNoRaise` for previous behavior.

+- Added `math.copySign`.
 - Added new operations for singly- and doubly linked lists: `lists.toSinglyLinkedList`
  and `lists.toDoublyLinkedList` convert from `openArray`s; `lists.copy` implements
  shallow copying; `lists.add` concatenates two lists - an O(1) variation that consumes