TableFunctions.hpp File Reference

#include "../../QueryEngine/OmniSciTypes.h"
#include "../../Shared/funcannotations.h"

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Macros
#define	EXTENSION_INLINE   extern "C" ALWAYS_INLINE DEVICE
#define	EXTENSION_NOINLINE   extern "C" NEVER_INLINE DEVICE

Functions
EXTENSION_NOINLINE int32_t	row_copier (Column< double > input_col, int copy_multiplier, Column< double > output_col)

Macro Definition Documentation

#define EXTENSION_INLINE   extern "C" ALWAYS_INLINE DEVICE

Definition at line 20 of file TableFunctions.hpp.

#define EXTENSION_NOINLINE   extern "C" NEVER_INLINE DEVICE

Definition at line 21 of file TableFunctions.hpp.

Function Documentation

EXTENSION_NOINLINE int32_t row_copier	(	Column< double >	input_col,
		int	copy_multiplier,
		Column< double >	output_col
	)

Definition at line 23 of file TableFunctions.hpp.

References Column< T >::ptr, and Column< T >::sz.

                                                                 {
  int32_t output_row_count = copy_multiplier * input_col.sz;
  if (output_row_count > 100) {
    // Test failure propagation.
    return -1;
  }
  // Set the output columne size for consistency. The output column
  // size will be effective only here, it will not propagate back to
  // the caller because the output_col is passed in by value.
  output_col.sz = output_row_count;

#ifdef __CUDACC__
  int32_t start = threadIdx.x + blockDim.x * blockIdx.x;
  int32_t stop = static_cast<int32_t>(input_col.sz);
  int32_t step = blockDim.x * gridDim.x;
#else
  auto start = 0;
  auto stop = input_col.sz;
  auto step = 1;
#endif

  for (auto i = start; i < stop; i += step) {
    for (int c = 0; c < copy_multiplier; c++) {
      output_col.ptr[i + (c * input_col.sz)] = input_col.ptr[i];
    }
  }

  return output_row_count;
}