tree 3d9c6f5c1fb76fb945e13ff12f02d6f1590534fa
parent 7aa68756c5518e0fc2e2f65cab6b933c1c48534a
author Robert Griesemer <gri@golang.org> 1423892830 -0800
committer Robert Griesemer <gri@golang.org> 1423977245 +0000

math/big: always round after the sign is set

Some rounding modes are affected by the sign of the value to
be rounded. Make sure the sign is set before round is called.
Added tests (that failed before the fix).

Change-Id: Idd09b8fcbab89894fede0b9bc922cda5ddc87930
Reviewed-on: https://go-review.googlesource.com/4876
Reviewed-by: Rob Pike <r@golang.org>