Tue Jun 20 19:28:53 2023

lambert_w_test():
  Python version: 3.8.10
  Test lambert_w().

lambert_w_test01():
  Compare stored, computed, and system values for LambertW(x).

      X           Stored value       lambert_w(x)       lambertw(x)

     -0.036788       -4.8897201698674291       -4.8897201698674371       -4.8897201698674371
     -0.073576       -3.9943083470021219       -3.9943083470021299       -3.9943083470021308
     -0.110364       -3.4392164832802039       -3.4392164832802004       -3.4392164832802004
     -0.147152       -3.0223132453246571       -3.0223132453246562       -3.0223132453246562
     -0.183940       -2.6783469900166610       -2.6783469900166619       -2.6783469900166619
     -0.220728       -2.3764213420628870       -2.3764213420628897       -2.3764213420628897
     -0.257516       -2.0973492107034919       -2.0973492107034888       -2.0973492107034888
     -0.294304       -1.8243883090329840       -1.8243883090329840       -1.8243883090329838
     -0.331091       -1.5318116083896121       -1.5318116083896125       -1.5318116083896125
     -0.367879       -1.0000000000000000       -1.0000000425527849       -1.0000000000000027
     -0.331091       -0.6083412847334320       -0.6083412847334314       -0.6083412847334314
     -0.294304       -0.4716719097435220       -0.4716719097435222       -0.4716719097435222
     -0.257516       -0.3744931340194980       -0.3744931340194991       -0.3744931340194992
     -0.220728       -0.2970834624464240       -0.2970834624464233       -0.2970834624464233
     -0.183940       -0.2319609529865340       -0.2319609529865342       -0.2319609529865342
     -0.147152       -0.1753565005292990       -0.1753565005292994       -0.1753565005292994
     -0.110364       -0.1250669829825240       -0.1250669829825244       -0.1250669829825244
     -0.073576       -0.0796781605114770       -0.0796781605114760       -0.0796781605114760
     -0.036788       -0.0382212417467990       -0.0382212417467992       -0.0382212417467992
      0.000000        0.0000000000000000        0.0000000000000000        0.0000000000000000
      0.500000        0.3517337112491958        0.3517337112491958        0.3517337112491958
      1.000000        0.5671432904097840        0.5671432904097838        0.5671432904097838
      1.500000        0.7258613577662263        0.7258613577662263        0.7258613577662263
      2.000000        0.8526055020137255        0.8526055020137255        0.8526055020137254
      2.500000        0.9585863567287028        0.9585863567287030        0.9585863567287030
      2.718282        1.0000000000000000        1.0000000000000000        1.0000000000000000
      3.000000        1.0499088949640401        1.0499088949640398        1.0499088949640401
      3.500000        1.1302893269741361        1.1302893269741359        1.1302893269741359
      4.000000        1.2021678731970431        1.2021678731970429        1.2021678731970429
      4.500000        1.2672378143074350        1.2672378143074350        1.2672378143074348
      5.000000        1.3267246652422000        1.3267246652422002        1.3267246652422002
      5.500000        1.3815453794450410        1.3815453794450414        1.3815453794450412
      6.000000        1.4324047758983001        1.4324047758983003        1.4324047758983003
      6.500000        1.4798568301738511        1.4798568301738515        1.4798568301738515
      7.000000        1.5243452049841439        1.5243452049841444        1.5243452049841444
      7.500000        1.5662309537823880        1.5662309537823875        1.5662309537823875
      8.000000        1.6058119963201780        1.6058119963201776        1.6058119963201776
     10.000000        1.7455280027406990        1.7455280027406996        1.7455280027406994
    100.000000        3.3856301402900502        3.3856301402900502        3.3856301402900502
   1000.000000        5.2496028524015959        5.2496028524015959        5.2496028524015959
  1000000.000000       11.3833580861400492       11.3833580861400527       11.3833580861400527

lambert_w_test():
  Normal end of execution.
Tue Jun 20 19:28:53 2023