result of tan is never more precise than double

4 results were exact to double the precision

20 largest ulp errors (stored in a double)
   8818762712042033.00000 ulp for tan(1426668733016935) = 0)
   8818762712042025.00000 ulp for tan(1426668733016935.5) = 0)
   8243783821410468.00000 ulp for tan(3067449762708523) = 0)
   8243783821410466.00000 ulp for tan(3067449762708522) = 0)
   816.47719 ulp for tan(10526671570.5) = 1140653720398.3032)
   99.57931 ulp for tan(1860674085.875) = -54061026855.080063)
   2.50014 ulp for tan(382.51684471999653) = -0.94562670395512483)
   2.49922 ulp for tan(7.5996809449998493) = 3.8472180828923572)
   2.48578 ulp for tan(382.51684471906106) = -0.94562670572710539)
   2.47097 ulp for tan(7.5996809450000011) = 3.8472180828947571)
   1.62827 ulp for tan(1.4999999999999998) = 14.101419947171678)
   1.61863 ulp for tan(3083975226.9660344) = 29.430240565938128)
   1.54671 ulp for tan(1783366216537.5256) = 0.24731441240042135)
   1.54314 ulp for tan(-9.0520129452000013) = 0.39104756339290919)
   1.54010 ulp for tan(-0.75809214000000014) = -0.94682668855889074)
   1.53044 ulp for tan(335.15468923999993) = -1.5428593639411814)
   1.52978 ulp for tan(-0.90023318299999988) = -1.2607618722523064)
   1.52655 ulp for tan(8.8177178494999939) = -0.69455183496737216)
   1.52215 ulp for tan(322.08496089999994) = -13.920383901090913)
   1.51486 ulp for tan(371.48199022000011) = 0.9775712701408602)

<tr><td align=left><a href=tan.res>tan</a></td><td align=right>1596</td><td align=right>8818762712042033.00000</td><td>1426668733016935</td><td>0</td></tr>