doubleboost_pairs=slow_mode?1.0:clt_parameters.imp.cuas_boost_slow;// 4.0; // if >1 and the motion vector is below tile_size/cuas_boost_slow, scale corr_pairs
doubleboost_mv_lim=clt_parameters.imp.cuas_boost_mv_lim;// 0.2; // Do not boost if motion vector faster than this (before in code equiv 1.8 pix)
doubleboost_mstr=clt_parameters.imp.cuas_boost_mstr;// 0.007; // scale corr_pairs if motion strength is below
// int precorr_ra = clt_parameters.imp.cuas_precorr_ra; // 4 (10)
doubleboost_xstr=clt_parameters.imp.cuas_boost_xstr;// 0.007; // scale corr_pairs if motion strength is below