Function isLittleEndian

c++/src/Geospatial.cc:59–65

  }

  static bool isLittleEndian() {
    static union {
      uint32_t i;
      char c[4];
    } num = {0x01020304};
    return num.c[0] == 4;
  }

#if defined(_MSC_VER)
#include <intrin.h>  // IWYU pragma: keep