ceph/src/arrow/r/inst/include/cpp11/altrep.hpp

   1 // cpp11 version: 0.3.1.1
   2 // vendored on: 2021-08-11
   3 #pragma once
   4
   5 #include "Rversion.h"
   6
   7 #if defined(R_VERSION) && R_VERSION >= R_Version(3, 5, 0)
   8 #define HAS_ALTREP
   9 #endif
  10
  11 #ifndef HAS_ALTREP
  12
  13 #define ALTREP(x) false
  14
  15 #define REAL_ELT(x, i) REAL(x)[i]
  16 #define INTEGER_ELT(x, i) INTEGER(x)[i]
  17 #define LOGICAL_ELT(x, i) LOGICAL(x)[i]
  18 #define RAW_ELT(x, i) RAW(x)[i]
  19
  20 #define SET_REAL_ELT(x, i, val) REAL(x)[i] = val
  21 #define SET_INTEGER_ELT(x, i, val) INTEGER(x)[i] = val
  22 #define SET_LOGICAL_ELT(x, i, val) LOGICAL(x)[i] = val
  23 #define SET_RAW_ELT(x, i, val) RAW(x)[i] = val
  24
  25 #define REAL_GET_REGION(...) \
  26   do {                       \
  27   } while (false)
  28
  29 #define INTEGER_GET_REGION(...) \
  30   do {                          \
  31   } while (false)
  32 #endif
  33
  34 #if !defined HAS_ALTREP || (defined(R_VERSION) && R_VERSION < R_Version(3, 6, 0))
  35
  36 #define LOGICAL_GET_REGION(...) \
  37   do {                          \
  38   } while (false)
  39
  40 #define RAW_GET_REGION(...) \
  41   do {                      \
  42   } while (false)
  43
  44 #endif