src/IntTools/IntTools_CurveRangeSample.cxx

   1 // File:        IntTools_CurveRangeSample.cxx
   2 // Created:     Wed Oct  5 17:04:22 2005
   3 // Author:      Mikhail KLOKOV
   4 //              <mkk@kurox>
   5
   6
   7 #include <IntTools_CurveRangeSample.ixx>
   8
   9 IntTools_CurveRangeSample::IntTools_CurveRangeSample()
  10 {
  11   myIndex = 0;
  12 }
  13
  14 IntTools_CurveRangeSample::IntTools_CurveRangeSample(const Standard_Integer theIndex)
  15 {
  16   myIndex = theIndex;
  17 }
  18
  19 IntTools_Range IntTools_CurveRangeSample::GetRange(const Standard_Real    theFirst,
  20                                                    const Standard_Real    theLast,
  21                                                    const Standard_Integer theNbSample) const
  22 {
  23   Standard_Real diffC = theLast - theFirst;
  24   IntTools_Range aResult;
  25
  26   if(GetDepth() <= 0) {
  27     aResult.SetFirst(theFirst);
  28     aResult.SetLast(theLast);
  29   }
  30   else {
  31     Standard_Real tmp = pow(Standard_Real(theNbSample), Standard_Real(GetDepth()));
  32     Standard_Real localdiffC = diffC / Standard_Real(tmp);
  33     Standard_Real aFirstC = theFirst + Standard_Real(myIndex) * localdiffC;
  34     Standard_Real aLastC = aFirstC + localdiffC;
  35     aResult.SetFirst(aFirstC);
  36     aResult.SetLast(aLastC);
  37   }
  38   return aResult;
  39 }