From 1b9f9ff7be747498ab1619856f5c5eb47b13474f Mon Sep 17 00:00:00 2001
From: doraneko94 <shuntaro94@gmail.com>
Date: Mon, 12 Apr 2021 13:23:29 +0900
Subject: [PATCH] fix typo in sample_unchecked() of gamma

---
 src/distribution/gamma.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/distribution/gamma.rs b/src/distribution/gamma.rs
index cbdf6d92..e493d24d 100644
--- a/src/distribution/gamma.rs
+++ b/src/distribution/gamma.rs
@@ -316,7 +316,7 @@ pub fn sample_unchecked<R: Rng + ?Sized>(rng: &mut R, shape: f64, rate: f64) ->
         v *= v * v;
         x *= x;
         let u: f64 = rng.gen();
-        if u < 1.0 - 0.0331 * x * x || u.ln() < 0.5 * x + d * (1.0 - v - v.ln()) {
+        if u < 1.0 - 0.0331 * x * x || u.ln() < 0.5 * x + d * (1.0 - v + v.ln()) {
             return afix * d * v / rate;
         }
     }