From f1b1164bfd4230f0ffa32cef2a326794163f8f55 Mon Sep 17 00:00:00 2001
From: RevathiJambunathan <revanathan@gmail.com>
Date: Wed, 25 Oct 2023 11:49:07 -0700
Subject: [PATCH] add flag to follow Bfield

---
 Source/Particles/PulsarParameters.H   | 1 +
 Source/Particles/PulsarParameters.cpp | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/Source/Particles/PulsarParameters.H b/Source/Particles/PulsarParameters.H
index cda38107a66..86a03f62d9c 100644
--- a/Source/Particles/PulsarParameters.H
+++ b/Source/Particles/PulsarParameters.H
@@ -713,6 +713,7 @@ public:
     static amrex::Real m_BLC;
     static amrex::Real m_beta_rec_RR;
     static amrex::Real m_re_scaledratio;
+    static int m_do_zero_uperpB_driftframe;
 private:
 };
 
diff --git a/Source/Particles/PulsarParameters.cpp b/Source/Particles/PulsarParameters.cpp
index 4dc0945f454..1ea378ee3cc 100644
--- a/Source/Particles/PulsarParameters.cpp
+++ b/Source/Particles/PulsarParameters.cpp
@@ -153,6 +153,7 @@ amrex::Real Pulsar::m_gammarad_RR;
 amrex::Real Pulsar::m_BLC;
 amrex::Real Pulsar::m_beta_rec_RR;
 amrex::Real Pulsar::m_re_scaledratio = 1.;
+int Pulsar::m_do_zero_uperpB_driftframe;
 
 Pulsar::Pulsar ()
 {
@@ -403,6 +404,8 @@ Pulsar::ReadParameters () {
         m_re_scaledratio = m_re_scaled / PhysConst::r_e;
         amrex::Print() << " ratio : re_scaled/re : " << m_re_scaledratio << "\n";
     }
+    pp.get("do_zero_uperpB_driftframe",m_do_zero_uperpB_driftframe);
+    amrex::Print() << " do zero uperp B " << m_do_zero_uperpB_driftframe << "\n";
 }