From: Szabolcs Nagy <nsz@port70.net>
Date: Fri, 4 Mar 2016 21:23:33 +0000 (+0000)
Subject: math: fix expf(-NAN) and exp2f(-NAN) to return -NAN instead of 0
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=b023c03b574acdfd73418314a5dcaa83e5cea5a0;hp=b023c03b574acdfd73418314a5dcaa83e5cea5a0;p=musl

math: fix expf(-NAN) and exp2f(-NAN) to return -NAN instead of 0

expf(-NAN) was treated as expf(-large) which unconditionally
returns +0, so special case +-NAN.
reported by Petr Hosek.
---