From a827dcb05bdac046cadc85d0e44aa96752c84264 Mon Sep 17 00:00:00 2001
From: Mladen Ivkvoic <mladen.ivkovic@hotmail.com>
Date: Fri, 18 Dec 2020 19:20:57 +0100
Subject: [PATCH] added check for valid boxsize
---
src/space.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/space.c b/src/space.c
index 1b60d92474..67c3494dd8 100644
--- a/src/space.c
+++ b/src/space.c
@@ -1071,6 +1071,17 @@ void space_init(struct space *s, struct swift_params *params,
s->sum_bpart_vel_norm = 0.f;
s->nr_queues = 1; /* Temporary value until engine construction */
+ /* do a quick check that the box size has valid values */
+#if defined HYDRO_DIMENSION_1D
+ if (dim[0] <= 0.) error("Invalid box size: [%f]", dim[0]);
+#elif defined HYDRO_DIMENSION_2D
+ if (dim[0] <= 0. || dim[1] <= 0.)
+ error("Invalid box size: [%f, %f]", dim[0], dim[1]);
+#else
+ if (dim[0] <= 0. || dim[1] <= 0. || dim[2] <= 0.)
+ error("Invalid box size: [%f, %f, %f]", dim[0], dim[1], dim[2]);
+#endif
+
/* Initiate some basic randomness */
srand(42);
--
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