From 690ec8404c6fdbac7c505760a02bb0ce6421f4a2 Mon Sep 17 00:00:00 2001
From: JosephMouallem <75327266+JosephMouallem@users.noreply.github.com>
Date: Mon, 13 Jan 2025 12:50:22 -0500
Subject: [PATCH] Update fv_thermodynamics.F90 to support mixed precision mode
 (#369)

---
 model/fv_thermodynamics.F90 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/model/fv_thermodynamics.F90 b/model/fv_thermodynamics.F90
index 2fc9d7f6..ca7dcd4c 100644
--- a/model/fv_thermodynamics.F90
+++ b/model/fv_thermodynamics.F90
@@ -23,7 +23,11 @@
 ! Revise the OpenMP code to avoid crash
 module fv_thermodynamics_mod
 
+#ifdef OVERLOAD_R4
+  use constantsR4_mod,     only: grav, cp_air, cp_vapor, rvgas, rdgas
+#else
   use constants_mod,       only: grav, cp_air, cp_vapor, rvgas, rdgas
+#endif
   use gfdl_mp_mod,         only: c_liq, c_ice
   use field_manager_mod,   only: MODEL_ATMOS
   use tracer_manager_mod,  only: get_tracer_name