GPU: Bugfix: o2::Propagator expects b field in units of kgaus

davidrohr · davidrohr · commit c802fdd0a504 · 2022-02-17T09:45:38.000+01:00
diff --git a/Detectors/Base/src/Propagator.cxx b/Detectors/Base/src/Propagator.cxx
@@ -612,10 +612,10 @@ GPUd() void PropagatorImpl<value_T>::getFieldXYZImpl(const math_utils::Point3D<T
     float bxyzF[3];
     f->GetField(xyz.X(), xyz.Y(), xyz.Z(), bxyzF);
     //copy and convert
+    constexpr value_type kCLight1 = 1. / 0.000299792458;
     for (uint i = 0; i < 3; ++i) {
-      bxyz[i] = static_cast<value_type>(bxyzF[i]);
+      bxyz[i] = static_cast<value_type>(bxyzF[i]) * kCLight1;
     }
-
   } else {
 #ifndef GPUCA_GPUCODE
     if (mFieldFast) {
