N, log(err) theta ~ 0, log(err) theta ~ pi/2, log(err) theta ~ pi 256, -11.7256, -13.6154, -13.1316 512, -10.8065, -13.3706, -12.2236 1024, -10.2329, -12.8256, -11.3002 2048, -9.1032, -11.9632, -11.2531 4096, -9.37814, -12.6351, -10.2531 8192, -8.41771, -11.9919, -10.2203 16384, -6.57398, -11.4625, -9.48247 32768, -6.4973, -11.0653, -8.72677 65536, -5.76299, -10.7759, -8.37986 131072, -5.03946, -10.7465, -7.01584 262144, -4.04992, -10.2404, -6.07245 524288, -3.14852, -10.0929, -6.25977 1048576, -2.28488, -9.60203, -5.21735 2097152, -0.86653, -8.92284, -4.71228 4194304, -0.700793, -8.79564, -3.9223 8388608, -0.0853119, -8.28385, -3.28267 16777216, 0.530234, -8.08766, -2.86904 33554432, 1.00129, -7.81698, -2.49583 67108864, 3.14951, -7.74439, -0.451647