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File indexing completed on 2024-04-06 12:19:14

0001 #include <cstdint>
0002 #ifndef DaqSource_DTFileReaderHelpers_h
0003 #define DaqSource_DTFileReaderHelpers_h
0004 
0005 template <class T>
0006 char* dataPointer(const T* ptr) {
0007   union bPtr {
0008     const T* dataP;
0009     char* fileP;
0010   };
0011   union bPtr buf;
0012   buf.dataP = ptr;
0013   return buf.fileP;
0014 }
0015 
0016 template <class T>
0017 T* typePointer(const char* ptr) {
0018   union bPtr {
0019     T* dataP;
0020     const char* fileP;
0021   };
0022   union bPtr buf;
0023   buf.fileP = ptr;
0024   return buf.dataP;
0025 }
0026 
0027 struct twoNibble {
0028   uint16_t lsBits;
0029   uint16_t msBits;
0030 };
0031 
0032 struct twoNibble64 {
0033   uint32_t lsBits;
0034   uint32_t msBits;
0035 };
0036 
0037 #endif