Error analysis of some system functions

This is the summary of the results run on Sun 08 Sep 2002 01:13:59 PM MEST on linneus3

Hardware, operating system and compiling command

Intel Pentium or AMD PC, Linux, gcc -O9 -lm
function tests max err in ulps argument (max err) value (max err)
acosh103315308.446771.000000000000000222.10734242553963641e-08
acos13080.502420.992197667229324010.125000000000040468
asinh10420.50065-0.47782513820001038-0.46129060092659302
asin13440.500350.8214576792000805040.963962456376332044
atanh99324116.037840.99999999961220109611.1818406896726241
atan8700.50028-1.79850952600011849-1.06334607296139838
cosh13310.58622709.7827118039358548.98845588184967683e+307
cos141822737807668655673344.0000013932548566.6484375-1.79424124483688191e-11
erfc13180.7725410.25808206085374331.09212414831558143e-47
erf12770.550290.1730034374153099910.19328324616993478
exp13330.65922706.0663509768826324.37240202558957667e+306
Gamma1575509.53716171.6243769563026831.79769313486206882e+308
INV6530.50024-0.479878203800004011-2.08386209684314849
j01053615476569162682.750005.52007811028631057-2.56260658252312199e-17
j11024395722335422678.87500-7.01558666981561885-3.06922212802401322e-17
lgamma14085193837695735699.00000-2.457024738220800591.20210915874330304e-16
log1012850.500541.000000067073913532.91298295507387694e-08
log11350.50031494.7947697000168436.20414306992894993
Pix7200.50023-0.415758014399929599-1.30614232370989836
pow2_x14670.500340.5580037409002283071.47223067964920462
powx_27510630.561641.34922475682129756e-1122.27893442568712243e-308
sinh8950.53324-553.567544172674957-1.28913915452834105e+240
sin12573991520163434.4340880143857.00000001491.28417554259678546e-10
sqrt10550.500243.63861067050296029e-3081.90751426482292942e-154
tanh7920.500480.350766107600002930.337054792830194794
tan15964995260678252445.0000010526671570.5-78892343628.3719635
y09761129971635514619.750000.893576966279167495-2.6871273218695424e-17
y1987inf-2.22507385850720188e-308-inf