trandom.exp

早期freebsd实现

five random ACG integers:
1525072166 1954057046 3406008937 226879594 4107049426 
five random MLCG integers:
1341853672 83475514 936613571 888739672 2097844081 
Binomial r1( 100, 0.50, &gen1) ...
five samples:
45 52 59 49 60 
Statistics for 100 samples:
samples: 100 min: 40 max: 64
mean: 50.78 stdDev: 4.42577 var: 19.5875 confidence(95): 0.878369
Erlang r2( 2.0, 0.5, &gen1) ...
five samples:
1.79909 1.92989 2.50816 2.31409 1.48158 
Statistics for 100 samples:
samples: 100 min: 0.592645 max: 3.81874
mean: 1.96664 stdDev: 0.696406 var: 0.484981 confidence(95): 0.138213
Geometric r3(&gen1, 0.5)...
five samples:
3 2 2 2 3 
Statistics for 100 samples:
samples: 100 min: 1 max: 7
mean: 1.9 stdDev: 1.28315 var: 1.64646 confidence(95): 0.254662
HyperGeometric r4( 10.0, 150.0, &gen1)...
five samples:
15.0752 5.25802 7.82211 20.4995 7.08199 
Statistics for 100 samples:
samples: 100 min: 0.0446068 max: 131.508
mean: 12.6763 stdDev: 16.7567 var: 280.786 confidence(95): 3.32564
NegativeExpntl r5( 1.0, &gen1)...
five samples:
1.90665 0.0921974 0.219318 1.79202 0.566202 
Statistics for 100 samples:
samples: 100 min: 0.00794624 max: 4.23124
mean: 0.927343 stdDev: 0.8869 var: 0.786592 confidence(95): 0.17602
Normal r6( 0.0, 1.0, &gen1)...
five samples:
-0.174892 0.148871 -0.479753 0.65432 -0.92688 
Statistics for 100 samples:
samples: 100 min: -2.22325 max: 2.61771
mean: 0.141292 stdDev: 0.972041 var: 0.944864 confidence(95): 0.192918
LogNormal r7( 1.0, 1.0, &gen1)...
five samples:
2.15572 0.985688 0.340019 0.959144 1.06052
Statistics for 100 samples:
samples: 100 min: 0.0393323 max: 6.16358
mean: 1.03547 stdDev: 0.963892 var: 0.929088 confidence(95): 0.191301
Poisson r8( 2.0, &gen1)...
five samples:
0 2 1 2 1 
Statistics for 100 samples:
samples: 100 min: 0 max: 5
mean: 2 stdDev: 1.31041 var: 1.71717 confidence(95): 0.260073
DiscreteUniform r9( 0.0, 1.0, &gen1)...
five samples:
1 1 0 0 0 
Statistics for 100 samples:
samples: 100 min: 0 max: 1
mean: 0.45 stdDev: 0.5 var: 0.25 confidence(95): 0.0992334
Uniform r10( 0.0, 1.0, &gen1)...
five samples:
0.557314 0.529968 0.997197 0.25163 0.947497 
Statistics for 100 samples:
samples: 100 min: 0.00205286 max: 0.997197
mean: 0.518789 stdDev: 0.321429 var: 0.103317 confidence(95): 0.0637931
Weibull r11( 0.5, 1.0, &gen1)...
five samples:
10.4918 0.295112 0.184577 2.14799 0.10053 
Statistics for 100 samples:
samples: 100 min: 0.000236481 max: 15.4934
mean: 1.96369 stdDev: 2.97642 var: 8.85906 confidence(95): 0.59072
SampleHistogram for 100 Normal samples
< -4 : 0
< -3.2 : 0
< -2.4 : 0
< -1.6 : 7
< -0.8 : 15
< -2.22045e-16 : 36
< 0.8 : 15
< 1.6 : 19
< 2.4 : 7
< 3.2 : 1
< 4 : 0
< max : 0

End of test