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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basegfx.hxx"
#include <basegfx/point/b3ipoint.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>

namespace basegfx
{
	B3IPoint& B3IPoint::operator*=( const ::basegfx::B3DHomMatrix& rMat )
	{
		double fTempX(
			rMat.get(0, 0) * mnX +
			rMat.get(0, 1) * mnY +
			rMat.get(0, 2) * mnZ +
			rMat.get(0, 3));
		double fTempY(
			rMat.get(1, 0) * mnX +
			rMat.get(1, 1) * mnY +
			rMat.get(1, 2) * mnZ +
			rMat.get(1, 3));
		double fTempZ(
			rMat.get(2, 0) * mnX +
			rMat.get(2, 1) * mnY +
			rMat.get(2, 2) * mnZ +
			rMat.get(2, 3));

		if(!rMat.isLastLineDefault())
		{
			const double fOne(1.0);
			const double fTempM(
				rMat.get(3, 0) * mnX + 
				rMat.get(3, 1) * mnY + 
				rMat.get(3, 2) * mnZ + 
				rMat.get(3, 3));

			if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
			{
				fTempX /= fTempM;
				fTempY /= fTempM;
				fTempZ /= fTempM;
			}
		}

		mnX = fround(fTempX);
		mnY = fround(fTempY);
		mnZ = fround(fTempZ);

		return *this;
	}
} // end of namespace basegfx

// eof
