message: core: parallel_for_(): propagate RNG state from the main thread
diff: @@ -174,6 +174,9 @@ namespace
  double len = wholeRange.end - wholeRange.start;
  nstripes = cvRound(_nstripes <= 0 ? len : MIN(MAX(_nstripes, 1.), len));
  + // propagate main thread state
  + rng = cv::theRNG();
  +
  #ifdef ENABLE_INSTRUMENTATION
  pThreadRoot = cv::instr::getInstrumentTLSStruct().pCurrentNode;
  #endif
  @@ -195,6 +198,9 @@ namespace
  #endif
  CV_INSTRUMENT_REGION()
  + // propagate main thread state
  + cv::theRNG() = rng;
  +
  cv::Range r;
  r.start = (int)(wholeRange.start +
  ((uint64)sr.start*(wholeRange.end - wholeRange.start) + nstripes/2)/nstripes);
  @@ -208,6 +214,7 @@ namespace
  const cv::ParallelLoopBody* body;
  cv::Range wholeRange;
  int nstripes;
  + cv::RNG rng;
  #ifdef ENABLE_INSTRUMENTATION
  cv::instr::InstrNode *pThreadRoot;
  #endif
  