Avoid duplicated SAVE statements for G95

[u/mrichter/AliRoot.git] / HIJING / hijing1_36 / fjetrig.F

* $Id$
C
C
C
	FUNCTION FJETRIG(X,WGT)
	IMPLICIT REAL*8(A-H,O-Z)
#define BLANKET_SAVE
#include "hiparnt.inc"
	DIMENSION X(10)
	SAVE
	PTMIN=ABS(HIPR1(10))-0.25
	PTMIN=MAX(PTMIN,DBLE(HIPR1(8)))
	AM2=0.D0
	IF(IHPR2(3).EQ.3) THEN
	   AM2=HIPR1(7)**2
	   PTMIN=MAX(0.0,HIPR1(10))
	ENDIF
	PTMAX=ABS(HIPR1(10))+0.25
	IF(HIPR1(10).LE.0.0) PTMAX=HINT1(1)/2.0-AM2
	IF(PTMAX.LE.PTMIN) PTMAX=PTMIN+0.25
	PT2=(PTMAX**2-PTMIN**2)*X(1)+PTMIN**2
	AMT2=PT2+AM2
	XT=2.0*DSQRT(AMT2)/HINT1(1)
	YMX1=DLOG(1.0/XT+DSQRT(1.0/XT**2-1.0))
	Y1=2.0*YMX1*X(2)-YMX1
	YMX2=DLOG(2.0/XT-DEXP(Y1))
	YMN2=DLOG(2.0/XT-DEXP(-Y1))
	Y2=(YMX2+YMN2)*X(3)-YMN2
	IF(IHPR2(3).EQ.3) THEN
	   GTRIG=2.0*GHVQ(Y1,Y2,AMT2)
	ELSE IF(IHPR2(3).EQ.2) THEN
	   GTRIG=2.0*GPHOTON(Y1,Y2,PT2)
	ELSE
	   GTRIG=G(Y1,Y2,PT2)
	ENDIF
	FJETRIG=2.0*YMX1*(YMX2+YMN2)*(PTMAX**2-PTMIN**2)
     &		*GTRIG/2.0
	RETURN
	END