*DECK F3P REAL FUNCTION F3P (X) C***BEGIN PROLOGUE F3P 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 F3P REAL X C***FIRST EXECUTABLE STATEMENT F3P F3P = 1.0 IF(X.GT.3.1415926535897932) F3P = 0.0 RETURN END