Function: DCDPOS Purpose: The function dcdpos decodes position input for boxinp and posinp. ... If OPTION equals 0 (BOXINP) then DCDPOS returns a coded number which can have the following values: 0 - no position found in string 1 - one position found in string 2 - only a size found in string 3 - position and size found in string 4 - two positions found in string In all case, a negative return value indicates an error. ... STRING String containing input to be decoded. POS The decoded positions. ...

metrologia The leap second: its history and possible future R. A. Nelson, D. D. McCarthy , S. Malys, J. Levine, B. Guinot, H. F. Fliegel , R. L. Beard and T. R. Bartholome w Abstract. This paper reviews the theoretica l motivatio n for the leap second in the context of the historica l evolutio n of time measurement . Th e periodic insertio n of a leap second step into th e scale of Coordinate d Universal Time (UTC) necessitates frequent changes in comple x timekeepin g systems an d is currentl y th e