Error analysis of some system functions

This is the summary of the results run on Sun Sep 08 13:11:44 2002 on zuse

Hardware, operating system and compiling command

Sun Sparc, Solaris, cc -xO4 -lm
function tests max err in ulps argument (max err) value (max err)
Gamma15751007.51430164.0402796587914912.46119858953288017e+291
INV6530.500000.9999999999999998891.00000000000000022
Pix7200.50000-0.402499911601222171-1.26449076535694083
acos13080.57432-0.8750105301999988592.63625389482078987
acosh10331.499981.127625965205212740.499999999997758571
asin13440.608440.7991766641999997760.925924244284564324
asinh10421.49871-0.250782692399997009-0.24822571472939331
atan8700.536138.125780453999993821.44834691412694605
atanh9931.501920.1181526932000003670.118707151006816211
cos14180.560130.294157668399999850.957046702218876555
cosh13310.787792.000000000000000443.76219569108363272
erf12770.550290.1730034374153099910.19328324616993478
erfc13181.5507412.11956626510778187.50949328584440654e-66
exp13330.557260.9811952655000001362.66764287861071381
j01053197004903625365792.000005.52007811028631057-6.34590878365763467e-16
j110241289786618968880128.00000-7.01558666981561885-7.97717714238962506e-15
lgamma14084448368812103571.00000-2.457024738220800591.11022302462515654e-16
log11350.55045397.3916527199997975.98492232516636413
log1012851.513320.999999968847147147-1.35295123003145233e-08
pow2_x14670.51485-1019.026626365944371.74750764179756589e-307
powx_27510630.513890.9739738485000000170.93004735986465481
sin12570.571338.193136742500009010.94303608940709005
sinh8951.50003-0.42915449859983873-0.442449492910852005
sqrt10550.500000.9999999999999998890.999999999999999889
tan15960.516988.58098668050002367-1.12417857971226698
tanh7921.52273-0.481720016489098624-0.447620056232185426
y09761774015495189798144.000007.08605106030177279-5.44009282066326705e-15
y1987Inf-2.22507385850720188e-308-Infinity