Function getTimeSegmentRange

kernels/common/default.h:250–257

calculate overlapping time segment range */

  /* calculate overlapping time segment range */
  __forceinline range<int> getTimeSegmentRange(const BBox1f& time_range, float numTimeSegments)
  {
    const float round_up   = 1.0f+2.0f*float(ulp); // corrects inaccuracies to precisely match time step
    const float round_down = 1.0f-2.0f*float(ulp);
    const int itime_lower = (int)max(floor(round_up  *time_range.lower*numTimeSegments), 0.0f);
    const int itime_upper = (int)min(ceil (round_down*time_range.upper*numTimeSegments), numTimeSegments);
    return make_range(itime_lower, itime_upper);
  }

  /* calculate overlapping time segment range */
  __forceinline range<int> getTimeSegmentRange(const BBox1f& range, BBox1f time_range, float numTimeSegments)