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Knut Olav Bøhmer
alexandria
Commits
70b033c7
Commit
70b033c7
authored
Jan 26, 2013
by
Nikodemus Siivola
Browse files
document restrictions on GAUSSIAN-RANDOM
parent
e22dcde8
Changes
1
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numbers.lisp
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70b033c7
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@@ -13,7 +13,11 @@ MIN and MAX if NUMBER is greater then MAX, otherwise returns NUMBER."
(
defun
gaussian-random
(
&optional
min
max
)
"Returns two gaussian random double floats as the primary and secondary value,
optionally constrained by MIN and MAX. Gaussian random numbers form a standard
normal distribution around 0.0d0."
normal distribution around 0.0d0.
Sufficiently positive MIN or negative MAX will cause the algorithm used to
take a very long time. If MIN is positive it should be close to zero, and
similarly if MAX is negative it should be close to zero."
(
labels
((
gauss
()
(
loop
for
x1
=
(
-
(
random
2.0d0
)
1.0d0
)
...
...
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