5 * Revision 1.1.1.2 1996/10/30 08:28:41 cernlib
8 * Revision 1.1.1.1 1996/04/12 15:29:23 plothow
12 #include "pdf/pilot.h"
13 FUNCTION GRVGFS (X, S, SF, AL, BE, AK, BK, AG, BG, C, D, E, ES)
21 GRVGFS = (DS * X**AK * (AG + BG * SX + C * X**BK) + DS**AL
22 1 * EXP (-E + SQRT (ES * S**BE * LX))) * (1.- X)**D