From 61d0e35353a2f0aab66289794c47918c0ee0e382 Mon Sep 17 00:00:00 2001
From: James Azam <james.m.azam@gmail.com>
Date: Wed, 14 Feb 2024 18:30:16 +0000
Subject: [PATCH] Use the right boolean

---
 R/checks.R | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/R/checks.R b/R/checks.R
index e2e850cd..fc7baf65 100644
--- a/R/checks.R
+++ b/R/checks.R
@@ -63,9 +63,9 @@
   )
 
   if (func_name == "simulate_chains") {
-    if (!generation_time_specified) {
+    if (generation_time_specified) {
       .check_generation_time_valid(generation_time)
-    } else if (!tf_specified) {
+    } else if (tf_specified) {
       stop("If `tf` is specified, `generation_time` must be specified too.")
     }
     checkmate::assert_numeric(