limit value of cache_aware to 1.0

If someone changes DIM or VFDIM, the initialization of cache_aware may become larger than 1.0. This should not happen. Signed-off-by: Stephen M. Cameron <[email protected]>
smcameron · Apr 28, 2023 · 94405f9 · 94405f9
1 parent c0dbdd1
commit 94405f9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/gaseous-giganticus.c b/gaseous-giganticus.c
@@ -638,6 +638,10 @@ static void init_particles(struct particle **pp, union vec3 **prev_particle_pos,
 	int pn, px, py;
 	struct fij fij = { 0, 0, 0 };
 	struct particle *p;
+
+	if (cache_aware > 1.0) /* can happen if someone redefines DIM to be large */
+		cache_aware = 1.0;
+
 	int cache_aware_limit = (int) (cache_aware * nparticles);
 
 	printf("Initializing %d particles", nparticles); fflush(stdout);