result of Gamma is never more precise than double 20 largest ulp errors (stored in a double) 1332.53404 ulp for Gamma(134.06343791565297) = 2.0287696276183775e+226) 1178.50063 ulp for Gamma(164.04027965836622) = 2.4611985841978215e+291) 1007.51430 ulp for Gamma(164.04027965879149) = 2.4611985895328802e+291) 748.49992 ulp for Gamma(91.713796094086803) = 3.7136825861472366e+139) 684.49955 ulp for Gamma(149.99524688698821) = 3.7193398688777529e+260) 678.44143 ulp for Gamma(149.99524688698833) = 3.7193398688798669e+260) 654.51322 ulp for Gamma(171.62437695630237) = 1.7976931348592076e+308) 582.50148 ulp for Gamma(164.04027965843932) = 2.4611985851150252e+291) 565.49914 ulp for Gamma(164.040279658439) = 2.4611985851111079e+291) 536.51997 ulp for Gamma(134.06343791565334) = 2.0287696276218371e+226) 509.53716 ulp for Gamma(171.62437695630268) = 1.7976931348620688e+308) 492.49996 ulp for Gamma(135.62507755004964) = 4.2730875577256299e+229) 480.42868 ulp for Gamma(135.62507754916331) = 4.2730875391440168e+229) 479.47015 ulp for Gamma(127.46122770951602) = 2.213370143779941e+212) 471.52797 ulp for Gamma(104.95247155558779) = 8.2572403063269993e+165) 466.50069 ulp for Gamma(135.62507755002744) = 4.2730875572597539e+229) 463.49758 ulp for Gamma(124.53574751176686) = 1.6052922260564659e+206) 432.49859 ulp for Gamma(104.95247155558789) = 8.2572403063307539e+165) 424.49947 ulp for Gamma(134.0634379156559) = 2.0287696276472081e+226) 406.50060 ulp for Gamma(121.76399132195012) = 2.607957134549266e+200) Gamma15751332.53404134.063437915652972.0287696276183775e+226