result of INV is more precise than double 635 out of 653 times

9 results were exact to double the precision

20 largest ulp errors (from result in accumulator)
   0.00024 ulp for INV(0.494714052399996718) = 2.02136970872106669)
   0.00024 ulp for INV(-0.672368905200032563) = -1.48727877251030183)
   0.00024 ulp for INV(-0.426553728000000298) = -2.34437055488587687)
   0.00024 ulp for INV(-0.239057980399997344) = -4.18308561934128598)
   0.00024 ulp for INV(-0.572718525200000106) = -1.7460584143856499)
   0.00024 ulp for INV(-0.584928321800006867) = -1.70961118265343703)
   0.00024 ulp for INV(-0.436803014199885153) = -2.28936149131606204)
   0.00024 ulp for INV(-0.795485219800004861) = -1.25709438102622806)
   0.00024 ulp for INV(-0.138877215800000037) = -7.20060518379142067)
   0.00024 ulp for INV(-0.479878203800004011) = -2.08386209684314849)
   0.00024 ulp for INV(0.947947696999999034) = 1.05491052213611836)
   0.00024 ulp for INV(0.806882011399999821) = 1.23933857227146049)
   0.00024 ulp for INV(0.952019874799993282) = 1.05039823901794782)
   0.00023 ulp for INV(0.350766107600000432) = 2.85090257676879011)
   0.00023 ulp for INV(0.494714052399999327) = 2.02136970872105604)
   0.00023 ulp for INV(0.048157722600000015) = 20.7651015457279868)
   0.00023 ulp for INV(0.49471405239999966) = 2.0213697087210547)
   0.00023 ulp for INV(-0.500819921400002532) = -1.9967256837638947)
   0.00023 ulp for INV(0.810735118400000787) = 1.23344848064990287)
   0.00023 ulp for INV(-0.405175646400000533) = -2.46806541529589474)

20 largest ulp errors (stored in a double)
   0.50024 ulp for INV(-0.479878203800004011) = -2.08386209684314849)
   0.50023 ulp for INV(0.350766107599986499) = 2.85090257676890335)
   0.50023 ulp for INV(0.904317894800021338) = 1.10580582973107866)
   0.50023 ulp for INV(-0.732244161799994076) = -1.36566469515005995)
   0.50021 ulp for INV(-0.193720938599976189) = -5.1620646029645183)
   0.50019 ulp for INV(0.196586753199996189) = 5.08681273647495935)
   0.50019 ulp for INV(0.376358749799998837) = 2.65703932891532624)
   0.50018 ulp for INV(0.162448403799997115) = 6.1558007133832966)
   0.50018 ulp for INV(0.162448403800024843) = 6.15580071338224499)
   0.50017 ulp for INV(-0.189926837799972992) = -5.26518532916964155)
   0.50016 ulp for INV(-0.587555582999978898) = -1.70196663759730793)
   0.50016 ulp for INV(-0.426553727999970322) = -2.34437055488604162)
   0.50015 ulp for INV(0.297261439600024213) = 3.36404210833916206)
   0.50015 ulp for INV(-0.875010530199979764) = -1.14284338929207463)
   0.50013 ulp for INV(-0.732244161800130633) = -1.36566469514980504)
   0.50013 ulp for INV(-0.16849723500002789) = -5.93481548821756277)
   0.50013 ulp for INV(-0.500124640399950415) = -1.99950156265105949)
   0.50012 ulp for INV(-0.160345431200011435) = -6.23653566251364921)
   0.50012 ulp for INV(0.297261439599950439) = 3.36404210833999695)
   0.50010 ulp for INV(0.0788602522000016459) = 12.6806594209697323)

<tr><td align=left><a href=INV.res>INV</a></td><td align=right>653</td><td align=right>0.50024</td><td>-0.479878203800004011</td><td>-2.08386209684314849</td></tr>