package Ġcom . k yle cor ry . sol . science . meteor ology Ċ Ċ data Ġclass ĠPress ure T end ency ( val Ġcharacteristic : ĠPress ure Characteristic , Ġval Ġamount : ĠFloat ){ ĊĠĠĠ Ġcompanion Ġobject Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġzero Ġ= ĠPress ure T end ency ( Pressure Characteristic . St eady , Ġ 0 f ) ĊĠĠĠ Ġ} Ċ }