result of asinh is never more precise than double 3 results were exact to double the precision 20 largest ulp errors (stored in a double) 0.58440 ulp for asinh(629.3796759999999) = 7.1378825047212562) 0.57952 ulp for asinh(-0.87501053020000008) = -0.79017665017482996) 0.56687 ulp for asinh(8.1257804540000151) = 2.7919538904308601) 0.56663 ulp for asinh(-760.3786580000002) = -7.3269641563676258) 0.56523 ulp for asinh(10.122904800000002) = 3.0103786212073431) 0.56327 ulp for asinh(4.9471405240000017) = 2.3020187029304) 0.55806 ulp for asinh(-648.45310760000018) = -7.1677374672231071) 0.55618 ulp for asinh(-9.1545367739999985) = -2.9103665949868223) 0.55094 ulp for asinh(4.4478935999999987) = 2.1979814295443068) 0.54796 ulp for asinh(-71.908957999999956) = -4.9685963712278562) 0.54791 ulp for asinh(575.54096819999995) = 7.0484583480518515) 0.54680 ulp for asinh(-749.56192820000001) = -7.3126365656704007) 0.54632 ulp for asinh(575.54096820000098) = 7.0484583480518532) 0.54328 ulp for asinh(-71.908958000000212) = -4.9685963712278598) 0.54113 ulp for asinh(-8.3782862819999941) = -2.8223331689181999) 0.54087 ulp for asinh(5.571280530000001) = 2.4187308427730168) 0.54042 ulp for asinh(-166.61071300000012) = -5.8088162178711604) 0.53907 ulp for asinh(-8.5937774020000077) = -2.8475536061812043) 0.53859 ulp for asinh(-109.94615059999994) = -5.3931585672477977) 0.53274 ulp for asinh(4.7928298939999969) = 2.2709779059943216) asinh10420.58440629.37967599999997.1378825047212562