Don't clamp sigmoid by default
Don't clamp sigmoid by default

jbornschein/y2k,jbornschein/reweighted-ws,jbornschein/y2k,codeaudit/reweighted-ws,yanweifu/reweighted-ws,codeaudit/reweighted-ws,lenovor/reweighted-ws,lenovor/reweighted-ws,skaasj/reweighted-ws,jbornschein/reweighted-ws,yanweifu/reweighted-ws,skaasj/reweighted-ws