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// File: AdvApprox_PrefCutting.cxx
// Created: Wed Jul 3 15:34:08 1996
// Author: Joelle CHAUVET
// <jct@sgi38>
#include <AdvApprox_PrefCutting.ixx>
#include <Precision.hxx>
AdvApprox_PrefCutting::AdvApprox_PrefCutting(const TColStd_Array1OfReal& CutPnts):
myPntOfCutting(1, CutPnts.Length())
{
myPntOfCutting = CutPnts;
}
Standard_Boolean AdvApprox_PrefCutting::Value(const Standard_Real a,
const Standard_Real b,
Standard_Real& cuttingvalue) const
{
// longueur minimum d'un intervalle parametrique : PConfusion()
// pour F(U,V) : EPS1=1.e-9 (cf.MMEPS1)
Standard_Real lgmin = 10 * Precision::PConfusion();
Standard_Integer i;
Standard_Real cut, mil=(a+b)/2,
dist = Abs((a-b)/2);
cut = mil;
for ( i=myPntOfCutting.Lower(); i<= myPntOfCutting.Upper(); i++) {
if ((dist-lgmin) > Abs(mil-myPntOfCutting.Value(i))) {
cut = myPntOfCutting.Value(i);
dist = Abs(mil-myPntOfCutting.Value(i));
}
}
cuttingvalue = cut;
return (Abs(cut-a)>=lgmin && Abs(b-cut)>=lgmin);
}
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