[math]: MATH-199 revisited

[mi...@TaosNet.com]

This is a revisit of a earlier issue detailed here:
http://issues.apache.org/jira/browse/MATH-199

Previously, I was getting this error with values for error terms like
4.4E-323. Now, I am getting the exception with values of larger magnitude
(see below). If I replace wm[0] and wm[52] with values of greater
magnitude, 0.01, for example, then the error does not occur.

Is this to be expected?

It may very well be that it is been this way all along, and I am now just
running into this error in this way because this data hasn't been
encountered before.

wm[0] = -2.665619767686342E8
wm[1] = 0.9999798492725595
wm[2] = 0.9998388017600578
wm[3] = 0.9994560253705471
wm[4] = 0.9987108991053469
wm[5] = 0.9974832564406259
wm[6] = 0.9956537255853777
wm[7] = 0.9931041659101397
wm[8] = 0.9897181994009216
wm[9] = 0.9853818354429454
wm[10] = 0.9799841865789758
wm[11] = 0.9734182721172175
wm[12] = 0.965581905583982
wm[13] = 0.9563786610265852
wm[14] = 0.9457189120722208
wm[15] = 0.9335209364388676
wm[16] = 0.9197120772746321
wm[17] = 0.9042299512722974
wm[18] = 0.8870236919662449
wm[19] = 0.868055214969349
wm[20] = 0.8473004901478971
wm[21] = 0.8247508038630685
wm[22] = 0.800413992428026
wm[23] = 0.7743156258402076
wm[24] = 0.7465001186489801
wm[25] = 0.7170317425094144
wm[26] = 0.6859955125535663
wm[27] = 0.6534979171813012
wm[28] = 0.6196674582333949
wm[29] = 0.5846549657603337
wm[30] = 0.5486336487410065
wm[31] = 0.511798840136219
wm[32] = 0.4743673915827879
wm[33] = 0.4365766698447724
wm[34] = 0.39868310383927763
wm[35] = 0.3609602276451295
wm[36] = 0.3236961613836456
wm[37] = 0.2871904682316555
wm[38] = 0.25175032208790377
wm[39] = 0.2176859165649541
wm[40] = 0.18530504201974918
wm[41] = 0.15490675326702819
wm[42] = 0.1267740464408861
wm[43] = 0.10116545918087608
wm[44] = 0.0783055039201884
wm[45] = 0.058373839544611276
wm[46] = 0.04149308207217504
wm[47] = 0.027715150274604253
wm[48] = 0.017006037322957985
wm[49] = 0.009228894591118357
wm[50] = 0.004125308692098945
wm[51] = 0.0012946476534832214
wm[52] = 1.7134685967009215E-4
wm[53] = 0.0


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