inv_cdf           171 libavutil/tests/lfg.c                 H_diff  = inv_cdf((i + 2.0 - (3.0/8.0)) / (tot_samp + (1.0/4.0)));
inv_cdf           172 libavutil/tests/lfg.c                 H_diff -= inv_cdf((i + 1.0 - (3.0/8.0)) / (tot_samp + (1.0/4.0)));