*DECK F2P REAL FUNCTION F2P (X) C***BEGIN PROLOGUE F2P C***PURPOSE Subsidiary to C***LIBRARY SLATEC C***AUTHOR (UNKNOWN) C***ROUTINES CALLED (NONE) C***REVISION HISTORY (YYMMDD) C ?????? DATE WRITTEN C 891214 Prologue converted to Version 4.0 format. (BAB) C***END PROLOGUE F2P REAL X C***FIRST EXECUTABLE STATEMENT F2P F2P = SIN(0.314159E+03*X)/(0.314159E+01*X) RETURN END