Updates on golden D hadronic decay channel by

[u/mrichter/AliRoot.git] / PDF / spdf / gr94fw.F

diff --git a/PDF/spdf/gr94fw.F b/PDF/spdf/gr94fw.F
index 3a26d7a7159342e8dcffc44aebd38d1a1ee127b7..7cb25fa3166678c0ec0500608c648448499ebcb4 100644 (file)
--- a/PDF/spdf/gr94fw.F
+++ b/PDF/spdf/gr94fw.F
@@ -2,8 +2,11 @@
 * $Id$
 *
 * $Log$
-* Revision 1.1.1.2  1996/10/30 08:28:32  cernlib
-* Version 7.04
+* Revision 1.1.1.3  2000/04/19 13:28:08  mclareni
+* Import version 8.04
+*
+* Revision 1.2  2000/04/15 14:10:46  plothow
+* Version 8.03: Nuclear PDFs introduced
 *
 * Revision 1.1.1.1  1996/04/12 15:29:22  plothow
 * Version 7.01
@@ -17,6 +20,10 @@ C
 C+SEQ, IMPDP.
        IMPLICIT REAL (A - Z)
 C
+       if (X.LE.0.) then
+          GR94FW=0.
+          return
+       endif
        LX =  LOG (1./X)
        GR94FW = (X**AK * (A + X * (B + X*C)) * LX**BK + S**AL
      1      *  EXP (-E +  SQRT (ES * S**BE * LX))) * (1.- X)**D