double complex function A1Hggggmmpp(j1,j2,j3,j4,za,zb) implicit none include 'constants.f' include 'zprods_decl.f' integer j1,j2,j3,j4 double complex A1phiggggmmpp c--- 0704.3914v3 Eqs. (2.4) and (2.6) c--- Note: c.c. is equivalent to interchanging za and zb A1Hggggmmpp=A1phiggggmmpp(j1,j2,j3,j4,za,zb) . +A1phiggggmmpp(j3,j4,j1,j2,zb,za) return end