*DECK F1C REAL FUNCTION F1C (X) C***BEGIN PROLOGUE F1C 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 F1C REAL X C***FIRST EXECUTABLE STATEMENT F1C F1C = 0.0 IF(X.NE.0.33) F1C = (X-0.5)*ABS(X-0.33)**(-0.9) RETURN END