From ac7eeea99232239f4011cb45367aca722f6e4741 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Tue, 24 Oct 2017 23:39:56 +0800
Subject: clusters/halo: Always pass the using configs

The user-using `configs` object may be different to the global `CONFIGS`,
which may be forgotten to load the up-to-date user configurations.
---
 fg21sim/extragalactic/clusters/halo.py   |  9 ++++++---
 fg21sim/extragalactic/clusters/helper.py | 12 ++++++------
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py
index 4016fe6..fd6f13a 100644
--- a/fg21sim/extragalactic/clusters/halo.py
+++ b/fg21sim/extragalactic/clusters/halo.py
@@ -277,12 +277,14 @@ class RadioHalo:
 
         Unit: [keV]
         """
-        return helper.kT_cluster(mass=self.M_main, z=self.z_merger)
+        return helper.kT_cluster(mass=self.M_main, z=self.z_merger,
+                                 configs=self.configs)
 
     @property
     @lru_cache()
     def kT_sub(self):
-        return helper.kT_cluster(mass=self.M_sub, z=self.z_merger)
+        return helper.kT_cluster(mass=self.M_sub, z=self.z_merger,
+                                 configs=self.configs)
 
     @property
     @lru_cache()
@@ -290,7 +292,8 @@ class RadioHalo:
         """
         The "current" cluster ICM mean temperature at ``z_obs``.
         """
-        return helper.kT_cluster(self.M_obs, z=self.z_obs)  # [keV]
+        return helper.kT_cluster(self.M_obs, z=self.z_obs,
+                                 configs=self.configs)  # [keV]
 
     @property
     @lru_cache()
diff --git a/fg21sim/extragalactic/clusters/helper.py b/fg21sim/extragalactic/clusters/helper.py
index 26b3ab3..2e27b11 100644
--- a/fg21sim/extragalactic/clusters/helper.py
+++ b/fg21sim/extragalactic/clusters/helper.py
@@ -143,7 +143,7 @@ def kT_virial(mass, z=0.0, radius=None):
     return kT
 
 
-def kT_cluster(mass, z=0.0, radius=None):
+def kT_cluster(mass, z=0.0, radius=None, configs=CONFIGS):
     """
     Calculate the temperature of a cluster ICM.
 
@@ -166,7 +166,7 @@ def kT_cluster(mass, z=0.0, radius=None):
        Unit: [keV]
     """
     key = "extragalactic/clusters/kT_out"
-    kT_out = CONFIGS.getn(key)
+    kT_out = configs.getn(key)
     kT_vir = kT_virial(mass=mass, z=z, radius=radius)
     kT_icm = kT_vir + 1.5*kT_out
     return kT_icm
@@ -202,7 +202,7 @@ def density_number_thermal(mass, z=0.0):
     return n_th
 
 
-def density_energy_thermal(mass, z=0.0):
+def density_energy_thermal(mass, z=0.0, configs=CONFIGS):
     """
     Calculate the thermal energy density of the ICM.
 
@@ -213,12 +213,12 @@ def density_energy_thermal(mass, z=0.0):
         Unit: [erg/cm^3]
     """
     n_th = density_number_thermal(mass=mass, z=z)  # [cm^-3]
-    kT = kT_cluster(mass, z) * AUC.keV2erg  # [erg]
+    kT = kT_cluster(mass, z, configs=configs) * AUC.keV2erg  # [erg]
     e_th = (3.0/2) * kT * n_th
     return e_th
 
 
-def magnetic_field(mass, z=0.0):
+def magnetic_field(mass, z=0.0, configs=CONFIGS):
     """
     Calculate the mean magnetic field strength within the ICM, which is
     also assumed to be uniform, according to the assumed fraction of the
@@ -236,7 +236,7 @@ def magnetic_field(mass, z=0.0):
         Unit: [uG]
     """
     key = "extragalactic/clusters/eta_b"
-    eta_b = CONFIGS.getn(key)
+    eta_b = configs.getn(key)
     e_th = density_energy_thermal(mass=mass, z=z)
     B = np.sqrt(8*np.pi * eta_b * e_th) * 1e6  # [G] -> [uG]
     return B
-- 
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