From 167172c96dd603191ad0df7d2150a2717f21d7d1 Mon Sep 17 00:00:00 2001
From: Josh Borrow <joshua.borrow@durham.ac.uk>
Date: Tue, 15 May 2018 13:27:24 +0100
Subject: [PATCH] Added extra factor of gamma in the soundspeed
---
src/hydro/PressureEnergy/hydro.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/hydro/PressureEnergy/hydro.h b/src/hydro/PressureEnergy/hydro.h
index 68137d860f..2671ac9954 100644
--- a/src/hydro/PressureEnergy/hydro.h
+++ b/src/hydro/PressureEnergy/hydro.h
@@ -153,7 +153,7 @@ hydro_get_comoving_soundspeed(const struct part *restrict p) {
/* Compute the sound speed -- see theory section for justification */
/* IDEAL GAS ONLY -- P-U does not work with generic EoS. */
- const float square_rooted = sqrtf(p->rho / p->pressure_bar);
+ const float square_rooted = sqrtf(hydro_gamma * p->rho / p->pressure_bar);
return p->u * hydro_gamma_minus_one * square_rooted;
}
--
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