From d5e85e12fddd1ca75ee7df39ffe74287446b14d0 Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <matthieu.schaller@durham.ac.uk>
Date: Tue, 12 Apr 2016 14:19:58 +0100
Subject: [PATCH] Made the magical constant in the potential timestep a #define
constant
---
src/potentials.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/potentials.h b/src/potentials.h
index 43d9bb48e8..433c9dba70 100644
--- a/src/potentials.h
+++ b/src/potentials.h
@@ -48,6 +48,8 @@ struct external_potential {
/* Include exteral pointmass potential */
#ifdef EXTERNAL_POTENTIAL_POINTMASS
+#define EXTERNAL_GRAVITY_TIMESTEP_PREFACTOR 0.03f
+
/**
* @brief Computes the time-step due to the acceleration from a point mass
*
@@ -79,7 +81,7 @@ __attribute__((always_inline))
const float a_2 = g->a_grav[0] * g->a_grav[0] + g->a_grav[1] * g->a_grav[1] +
g->a_grav[2] * g->a_grav[2];
- return 0.03f * sqrtf(a_2 / dota_2);
+ return EXTERNAL_GRAVITY_TIMESTEP_PREFACTOR * sqrtf(a_2 / dota_2);
}
/**
--
GitLab