From 1028cfc2017d4a9b6e120d6bc42549fca213a5e1 Mon Sep 17 00:00:00 2001
From: lvashb <lvashb@unife.it>
Date: Wed, 8 Sep 2021 12:59:41 +0200
Subject: [PATCH] Fixed the error

---
 source/background.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/background.c b/source/background.c
index ddbccd82b..3cebadad4 100644
--- a/source/background.c
+++ b/source/background.c
@@ -2527,6 +2527,9 @@ int background_derivs(
   if (pba->has_idm_dr == _TRUE_) {
     rho_M += pvecback[pba->index_bg_rho_idm_dr];
   }
+    // SAlviAug2021: Added the dcdm density to the growth factor in the case of DCDM
+  if (pba->has_dcdm)
+    rho_M += pvecback[pba->index_bg_rho_dcdm];
 
   dy[pba->index_bi_D] = y[pba->index_bi_D_prime]/a/H;
   dy[pba->index_bi_D_prime] = -y[pba->index_bi_D_prime] + 1.5*a*rho_M*y[pba->index_bi_D]/H;