Fix BackwardTest failure which was just compiler-drive differences in floating point precision. BOOST_CHECK_CLOSE's tolerance is proportional to the value on the left, so 0.0 has zero tolerance.  Changed to an explicit range.
Fix BackwardTest failure which was just compiler-drive differences in floating point precision.
BOOST_CHECK_CLOSE's tolerance is proportional to the value on the left, so 0.0 has zero tolerance.  Changed to an explicit range.

alvations/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,tofula/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,KonceptGeek/mosesdecoder,tofula/mosesdecoder,emjotde/mosesdecoder_nmt,pjwilliams/mosesdecoder,pjwilliams/mosesdecoder,alvations/mosesdecoder,alvations/mosesdecoder,emjotde/mosesdecoder_nmt,pjwilliams/mosesdecoder,alvations/mosesdecoder,pjwilliams/mosesdecoder,hychyc07/mosesdecoder,moses-smt/mosesdecoder,hychyc07/mosesdecoder,pjwilliams/mosesdecoder,emjotde/mosesdecoder_nmt,alvations/mosesdecoder,moses-smt/mosesdecoder,pjwilliams/mosesdecoder,hychyc07/mosesdecoder,tofula/mosesdecoder,hychyc07/mosesdecoder,alvations/mosesdecoder,moses-smt/mosesdecoder,KonceptGeek/mosesdecoder,tofula/mosesdecoder,KonceptGeek/mosesdecoder,KonceptGeek/mosesdecoder,alvations/mosesdecoder,hychyc07/mosesdecoder,KonceptGeek/mosesdecoder,emjotde/mosesdecoder_nmt,alvations/mosesdecoder,moses-smt/mosesdecoder,emjotde/mosesdecoder_nmt,emjotde/mosesdecoder_nmt,emjotde/mosesdecoder_nmt,KonceptGeek/mosesdecoder,pjwilliams/mosesdecoder,tofula/mosesdecoder,KonceptGeek/mosesdecoder,tofula/mosesdecoder,KonceptGeek/mosesdecoder,moses-smt/mosesdecoder,tofula/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,moses-smt/mosesdecoder,hychyc07/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,emjotde/mosesdecoder_nmt,hychyc07/mosesdecoder,hychyc07/mosesdecoder,tofula/mosesdecoder,KonceptGeek/mosesdecoder,tofula/mosesdecoder,pjwilliams/mosesdecoder,pjwilliams/mosesdecoder,alvations/mosesdecoder,alvations/mosesdecoder,emjotde/mosesdecoder_nmt,hychyc07/mosesdecoder,hychyc07/mosesdecoder,KonceptGeek/mosesdecoder,pjwilliams/mosesdecoder,emjotde/mosesdecoder_nmt