quantified.uncertainty/squiggle
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #388 from quantified-uncertainty/issue387

Browse Source 
Input validation for cauchy
This commit is contained in:
Sam Nolan 2022-04-26 17:09:28 -04:00 committed by GitHub
commit 1ef766a6c8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
packages/squiggle-lang/src/rescript/Distributions/SymbolicDist/SymbolicDist.res
View File

@ -86,9 +86,10 @@ module Exponential = {
module Cauchy = {
type t = cauchy
let make = (local, scale): result<symbolicDist, string> => Ok(
#Cauchy({local: local, scale: scale}),
)
let make = (local, scale): result<symbolicDist, string> =>
scale > 0.0
? Ok(#Cauchy({local: local, scale: scale}))
: Error("Cauchy distribution scale parameter must larger than 0.")
let pdf = (x, t: t) => Jstat.Cauchy.pdf(x, t.local, t.scale)
let cdf = (x, t: t) => Jstat.Cauchy.cdf(x, t.local, t.scale)
let inv = (p, t: t) => Jstat.Cauchy.inv(p, t.local, t.scale)