fix issue #1588

paul-buerkner · Jan 23, 2024 · 4bec335 · 4bec335
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diff --git a/DESCRIPTION b/DESCRIPTION
@@ -2,8 +2,8 @@ Package: brms
 Encoding: UTF-8
 Type: Package
 Title: Bayesian Regression Models using 'Stan'
-Version: 2.20.9
-Date: 2023-01-07
+Version: 2.20.10
+Date: 2024-01-23
 Authors@R:
     c(person("Paul-Christian", "Bürkner", email = "[email protected]",
              role = c("aut", "cre")),

diff --git a/NEWS.md b/NEWS.md
@@ -17,7 +17,7 @@ as backend. (#1544)
 
 * Remove some remaining uses of Stan's old array syntax.
 * Ensure compatibility with the latest `splines2` package version. (#1580)
-
+* Fix output of `rmulti_normal` thanks to Ven Popov. (#1588)
 
 # brms 2.20.3
 

diff --git a/R/distributions.R b/R/distributions.R
@@ -127,7 +127,7 @@ rmulti_normal <- function(n, mu, Sigma, check = FALSE) {
     }
   }
   draws <- matrix(rnorm(n * p), nrow = n, ncol = p)
-  mu + draws %*% chol(Sigma)
+  sweep(draws %*% chol(Sigma), 2, mu, "+")
 }
 
 #' The Multivariate Student-t Distribution