From 04fa011db044c810ccf517dc65b8577c16c812d7 Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <matthieu.schaller@durham.ac.uk>
Date: Tue, 27 Jun 2017 11:32:35 +0200
Subject: [PATCH] Make sure gravity (self or external) is switched on when
running with stars.
---
examples/main.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/examples/main.c b/examples/main.c
index ad28d16c25..7c0f86325e 100644
--- a/examples/main.c
+++ b/examples/main.c
@@ -294,6 +294,14 @@ int main(int argc, char *argv[]) {
if (myrank == 0) print_help_message();
return 1;
}
+ if (with_stars && !with_external_gravity && !with_self_gravity) {
+ if (myrank == 0)
+ printf(
+ "Error: Cannot run with stars but without gravity, -g or -G must be "
+ "chosen.\n");
+ if (myrank == 0) print_help_message();
+ return 1;
+ }
/* Genesis 1.1: And then, there was time ! */
clocks_set_cpufreq(cpufreq);
--
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