random: adding some tests for the random distributions.

db4
John Benediktsson 2012-04-15 10:16:06 -07:00
parent ee499cd63d
commit 1c66fbf086
1 changed files with 31 additions and 0 deletions

View File

@ -34,6 +34,9 @@ IN: random.tests
[ ]
[ [ 100 random-bytes ] with-system-random drop ] unit-test
{ t t }
[ 50000 [ 0 1 normal-random-float ] replicate [ mean 0 .2 ~ ] [ std 1 .2 ~ ] bi ] unit-test
{ t }
[ 50000 [ .15 exponential-random-float ] replicate [ mean ] [ std ] bi .2 ~ ] unit-test
@ -45,3 +48,31 @@ IN: random.tests
50000 [ 1 3 pareto-random-float ] replicate [ mean ] [ std ] bi
[ 1.5 .3 ~ ] [ 3 sqrt 2 / .3 ~ ] bi*
] unit-test
{ t t }
[
50000 [ 2 3 gamma-random-float ] replicate
[ mean 6 .2 ~ ] [ std 2 sqrt 3 * .2 ~ ] bi
] unit-test
{ t t }
[
50000 [ 2 3 beta-random-float ] replicate
[ mean 2 2 3 + / .2 ~ ]
[ std 2 sqrt 3 sqrt + 2 3 + dup 1 + sqrt * / .2 ~ ] bi
] unit-test
{ t }
[ 50000 [ 3 4 von-mises-random-float ] replicate mean 3 .2 ~ ] unit-test
{ t t }
[
50000 [ 2 7 triangular-random-float ] replicate
[ mean 2 7 + 2 / .2 ~ ] [ std 7 2 - 2 6 sqrt * / .2 ~ ] bi
] unit-test
{ t t }
[
50000 [ 2 3 laplace-random-float ] replicate
[ mean 2 .2 ~ ] [ std 2 sqrt 3 * .2 ~ ] bi
] unit-test