1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval (  0.188,  0.310)


     EI(X) was larger   891 times,
               agreed   856 times, and
          was smaller   253 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.4604E-06 =    2 ** -21.05
    occurred for X = 0.309833E+00
 The estimated loss of base   2 significant digits is   2.95


 The root mean square relative error was     0.1112E-06 =    2 ** -23.10
 The estimated loss of base   2 significant digits is   0.90


1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval (  0.435,  6.000)


     EI(X) was larger   647 times,
               agreed   654 times, and
          was smaller   699 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.8182E-06 =    2 ** -20.22
    occurred for X = 0.596887E+01
 The estimated loss of base   2 significant digits is   3.78


 The root mean square relative error was     0.1376E-06 =    2 ** -22.79
 The estimated loss of base   2 significant digits is   1.21


1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval (  6.000, 12.000)


     EI(X) was larger   648 times,
               agreed   657 times, and
          was smaller   695 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.5166E-06 =    2 ** -20.88
    occurred for X = 0.603834E+01
 The estimated loss of base   2 significant digits is   3.12


 The root mean square relative error was     0.1000E-06 =    2 ** -23.25
 The estimated loss of base   2 significant digits is   0.75


1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval ( 12.000, 24.000)


     EI(X) was larger   642 times,
               agreed   711 times, and
          was smaller   647 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.3752E-06 =    2 ** -21.35
    occurred for X = 0.153762E+02
 The estimated loss of base   2 significant digits is   2.65


 The root mean square relative error was     0.9541E-07 =    2 ** -23.32
 The estimated loss of base   2 significant digits is   0.68


1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval ( 24.000, 48.000)


     EI(X) was larger   616 times,
               agreed   774 times, and
          was smaller   610 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.3394E-06 =    2 ** -21.49
    occurred for X = 0.264487E+02
 The estimated loss of base   2 significant digits is   2.51


 The root mean square relative error was     0.9082E-07 =    2 ** -23.39
 The estimated loss of base   2 significant digits is   0.61


1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval ( -0.250, -1.000)


     EI(X) was larger   728 times,
               agreed   823 times, and
          was smaller   449 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.4361E-06 =    2 ** -21.13
    occurred for X =-0.948890E+00
 The estimated loss of base   2 significant digits is   2.87


 The root mean square relative error was     0.9056E-07 =    2 ** -23.40
 The estimated loss of base   2 significant digits is   0.60


1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval ( -1.000, -4.000)


     EI(X) was larger   780 times,
               agreed   471 times, and
          was smaller   749 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.5669E-06 =    2 ** -20.75
    occurred for X =-0.120275E+01
 The estimated loss of base   2 significant digits is   3.25


 The root mean square relative error was     0.1399E-06 =    2 ** -22.77
 The estimated loss of base   2 significant digits is   1.23


1Test of Ei(x) vs series expansion


   2000 Random arguments were tested from the interval ( -4.000,-10.000)


     EI(X) was larger   597 times,
               agreed   711 times, and
          was smaller   692 times.


 There are  24 base   2 significant digits in a floating-point number


 The maximum relative error of     0.3790E-06 =    2 ** -21.33
    occurred for X =-0.674774E+01
 The estimated loss of base   2 significant digits is   2.67


 The root mean square relative error was     0.9663E-07 =    2 ** -23.30
 The estimated loss of base   2 significant digits is   0.70




 Test of special arguments


   EI ( 0.375000E+00) =  0.969138E-02


 The relative error is    -0.3754E-08 =    2 ** -27.99

 The estimated loss of base   2 significant digits is   0.00


 Test of Error Returns



 EONE will be called with the argument 0.829000E+02
 This should not underflow


 EONE returned the value 0.118382E-37



 EONE will be called with the argument 0.829592E+02
 This should underflow


 EONE returned the value 0.000000E+00



 EI will be called with the argument 0.932000E+02
 This should not overflow


 EI returned the value 0.324762E+39



 EI will be called with the argument 0.932796E+02
 This should overflow


 EI returned the value 0.340000E+39



 EXPEI will be called with the argument 0.850706E+38
 This should not underflow


 EXPEI returned the value 0.117549E-37



 EI will be called with the argument 0.000000E+00
 This should overflow


 EI returned the value-0.340000E+39



 This concludes the tests
