RangeIndexer.h File Reference

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Classes
class	Rcpp::internal::RangeIndexer< RTYPE, NA, VECTOR >

Namespaces
namespace	Rcpp
	Rcpp API.
namespace	Rcpp::internal
	internal implementation details

Macros
#define	UNROLL_LOOP(OP)

Macro Definition Documentation

UNROLL_LOOP

#define UNROLL_LOOP

(

OP

)

Value:

    typedef typename ::Rcpp::traits::Extractor<RTYPE,NA,T>::type EXT ; \
    const EXT& input( x.get_ref() ) ;                   \
    int __trip_count = (size_) >> 2;                 \
    int i=0 ;                                        \
    for ( ; __trip_count > 0 ; --__trip_count) {     \
        start[i] OP input[i] ; i++ ;                 \
        start[i] OP input[i] ; i++ ;                 \
        start[i] OP input[i] ; i++ ;                 \
        start[i] OP input[i] ; i++ ;                 \
    }                                                \
    switch (size_ - i){                              \
      case 3:                                        \
          start[i] OP input[i] ; i++ ;               \
      case 2:                                        \
          start[i] OP input[i] ; i++ ;               \
      case 1:                                        \
          start[i] OP input[i] ; i++ ;               \
      case 0:                                        \
      default:                                       \
          return *this ;                             \
    }

Definition at line 25 of file RangeIndexer.h.