Fix RNG compatibility with <2.35

stan-dev · May 17, 2024 · bd4b367 · bd4b367
1 parent 8e320c0
commit bd4b367
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/R/utils.R b/R/utils.R
@@ -925,6 +925,7 @@ compile_functions <- function(env, verbose = FALSE, global = FALSE) {
     env$hpp_code[1:(funs[1] - 1)],
     "#include <rcpp_tuple_interop.hpp>",
     "#include <rcpp_eigen_interop.hpp>",
+    "#include <stan_rng.hpp>",
     stan_funs),
   collapse = "\n")
   if (global) {

diff --git a/tests/testthat/test-model-expose-functions.R b/tests/testthat/test-model-expose-functions.R
@@ -351,12 +351,13 @@ test_that("rng functions can be exposed", {
 
   expect_equal(
     fit$functions$wrap_normal_rng(5,10),
-    0.02974925
+    # Stan RNG changed in 2.35
+    ifelse(cmdstan_version() < "2.35.0",-4.529876423, 0.02974925)
   )
 
   expect_equal(
     fit$functions$wrap_normal_rng(5,10),
-    10.3881349
+    ifelse(cmdstan_version() < "2.35.0", 8.12959026, 10.3881349)
   )
 })