Use exp2(x) rather than pow(2.0, x)
commit303e49ef616c4253e392487b611444fcc7e8aff8
authorOlly Betts <olly@survex.com>
Tue, 9 Jan 2018 00:46:23 +0000 (9 13:46 +1300)
committerOlly Betts <olly@survex.com>
Tue, 9 Jan 2018 00:46:23 +0000 (9 13:46 +1300)
tree492cf311c2a020d2171efec48c85756bb2e638a0
parentbfa91a689273a853586117a4716d11716173c3ad
Use exp2(x) rather than pow(2.0, x)
xapian-letor/scorer/ndcg_score.cc