cuda-samples/Samples/2_Concepts_and_Techniques/scan/scan_gold.cpp

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#include "scan_common.h"

extern "C" void scanExclusiveHost(uint *dst, uint *src, uint batchSize,
                                  uint arrayLength) {
  for (uint i = 0; i < batchSize; i++, src += arrayLength, dst += arrayLength) {
    dst[0] = 0;

    for (uint j = 1; j < arrayLength; j++) dst[j] = src[j - 1] + dst[j - 1];
  }
}