fact: Variable w h:Qpos.
imports: CoRN.algebra.RSetoid CoRN.metric2.Metric CoRN.metric2.UniformContinuity CoRN.reals.fast.RasterQ CoRN.reals.fast.Interval CoRN.logic.Classic CoRN.model.totalorder.QposMinMax Coq.QArith.Qabs Coq.QArith.Qround