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      1 /* RotateDefs.h -- Rotate functions
      2 2013-11-12 : Igor Pavlov : Public domain */
      3 
      4 #ifndef __ROTATE_DEFS_H
      5 #define __ROTATE_DEFS_H
      6 
      7 #ifdef _MSC_VER
      8 
      9 #include <stdlib.h>
     10 
     11 // #if (_MSC_VER >= 1200)
     12 #pragma intrinsic(_rotl)
     13 #pragma intrinsic(_rotr)
     14 // #endif
     15 
     16 #define rotlFixed(x, n) _rotl((x), (n))
     17 #define rotrFixed(x, n) _rotr((x), (n))
     18 
     19 #else
     20 
     21 #define rotlFixed(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
     22 #define rotrFixed(x, n) (((x) >> (n)) | ((x) << (32 - (n))))
     23 
     24 #endif
     25 
     26 #endif
     27