fix in getXatLabR for straight tracks

shahor02 · shahor02 · commit 8da0ed224cf4 · 2022-07-08T01:51:19.000+02:00
diff --git a/DataFormats/Reconstruction/src/TrackParametrization.cxx b/DataFormats/Reconstruction/src/TrackParametrization.cxx
@@ -682,11 +682,11 @@ GPUd() bool TrackParametrization<value_T>::getXatLabR(value_t r, value_t& x, val
         t += t > 0.f ? -det : det; // chose the solution requiring the smalest step
       } else if (dir > 0) {        // go in increasing mX direction. ( t+-det > 0)
         if (t >= -det) {
-          t += -det; // take minimal step giving t>0
+          t += det; // take minimal step giving t>0
         } else {
           return false; // both solutions have negative t
         }
-      } else { // go in increasing mX direction. (t+-det < 0)
+      } else { // go in decreasing mX direction. (t+-det < 0)
         if (t < det) {
           t -= det; // take minimal step giving t<0
         } else {
diff --git a/Detectors/Base/src/Propagator.cxx b/Detectors/Base/src/Propagator.cxx
@@ -614,7 +614,7 @@ GPUd() void PropagatorImpl<value_T>::estimateLTFast(o2::track::TrackLTIntegral&
       ydca = nrm * c.yC;
       auto v0x = trc.getX() - c.xC, v0y = trc.getY() - c.yC, v1x = xdca - c.xC, v1y = ydca - c.yC;
       auto angcos = (v0x * v1x + v0y * v1y) / (c.rC * c.rC);
-      if (std::abs(angcos) < 1.f) {
+      if (math_utils::detail::abs<value_type>(angcos) < 1.f) {
         auto ang = math_utils::detail::acos<value_type>(angcos);
         if ((trc.getSign() > 0.f) == (mBz > 0.f)) {
           ang = -ang;   // we need signeg angle
