Flexible pt range for the efficiency histogramming

[u/mrichter/AliRoot.git] / MUON / AliMUONTriggerIO.cxx

diff --git a/MUON/AliMUONTriggerIO.cxx b/MUON/AliMUONTriggerIO.cxx
index 7afd86aca81d75e9967ab59f671ff6d43f47392c..e05b1022da503c91376c98c7d83009f33988ba3a 100644 (file)
--- a/MUON/AliMUONTriggerIO.cxx
+++ b/MUON/AliMUONTriggerIO.cxx
@@ -45,6 +45,9 @@
 /// \author Laurent Aphecetche, Christian Finck Subatech
 /// \author Bogdan Vulpescu, LPC Clermont-Ferrand
 
+using std::endl;
+using std::cout;
+using std::ofstream;
 /// \cond CLASSIMP
 ClassImp(AliMUONTriggerIO)
 /// \endcond
@@ -283,7 +286,10 @@ AliMUONTriggerIO::ReadLocalLUT(AliMUONTriggerLut& lut,
   Bool_t trigx = kFALSE;
   
   // read two lut addresses at once, 32768/2=16384 times
-  fread(buffer,fgkLocalLutSize,1,flut);
+  if (fread(buffer,fgkLocalLutSize,1,flut) == 0) {
+    AliWarning("Error reading the LUT file");
+    return;
+  }
 
   // create the 32767 addresses for the 4-bits lpt and hpt half-bytes
   for (UShort_t ilut = 0; ilut < fgkLocalLutSize*2; ilut += 2) 
@@ -375,8 +381,30 @@ AliMUONTriggerIO::ReadLUT(const char* lutFileToRead, AliMUONTriggerLut& lut)
     ReadLocalLUT(lut,fRegionalTrigger.LocalBoardId(i),flut);
   }
   
+  // 
+  // 1st/2nd cut code   pt cut [GeV/c]
+  //
+  // 0                 0.5 (a.k.a. Apt)
+  // 1                 1.0 (a.k.a. Lpt)
+  // 2                 1.7 (a.k.a. Hpt)
+  // 3                 4.2 (a.k.a. infinity)
+  // 4                 free
+  // .
+  // .
+  // .
+  //15                 default (for backward compatibility)
+
+  UChar_t lutCode = 0xFF;
+
+  if (!fread(&lutCode,1,1,flut)) {
+    AliWarning("No LUT info in the file (old version)");
+  }
+  AliInfo(Form("LUT code: 0x%02x",lutCode));
+
   fclose(flut);
-  
+
+  lut.SetLutCode(lutCode);
+
   return kTRUE;
   
 }