dcngmbh / moox_core

			$group = Less_Tree_UnitConversions::${$groupName};

			//numerator

			foreach($unit->numerator as $i => $atomicUnit){

				$atomicUnit = $unit->numerator[$i];

				if( !isset($group[$atomicUnit]) ){

					continue;

				}

				$value = $value * ($group[$atomicUnit] / $group[$targetUnit]);

				$unit->numerator[$i] = $targetUnit;

			}

			//denominator

			foreach($unit->denominator as $i => $atomicUnit){

			}

			//denominator

			foreach($unit->denominator as $i => $atomicUnit){

				$atomicUnit = $unit->denominator[$i];

				if( !isset($group[$atomicUnit]) ){

					continue;

				}

				$value = $value / ($group[$atomicUnit] / $group[$targetUnit]);

				$unit->denominator[$i] = $targetUnit;

			}

		}

		$unit->cancel();