gpamela/gptrd/xtrinteg.F

*
* $Id$
*
* $Log$
*
*CMZ :  3.00/00 28/01/2002  20.40.04  by  Unknown
*-- Author :    Marialuigia Ambriola   05/04/2001
      REAL FUNCTION XTRINTEG(X,Y,SS,N)
*********************************************
* Integrates the spectrum absorbed in Xe-CO2
* called by GPUSTEP
*********************************************
      INTEGER N,I
      REAL X(N),Y(N),SS(N),S
C
      S=0.
      SS(1)=0.
      XTRINTEG=0.
      DO I=2,N
         S=S+(X(I)-X(I-1))*(Y(I)+Y(I-1))/2.
         SS(I)=S
      ENDDO
      XTRINTEG=S
c      PRINT*,'XTRINTEG=',XTRINTEG
      RETURN
      END
1	*
2	* $Id$
3	*
4	* $Log$
5	*
6	*CMZ : 3.00/00 28/01/2002 20.40.04 by Unknown
7	*-- Author : Marialuigia Ambriola 05/04/2001
8	REAL FUNCTION XTRINTEG(X,Y,SS,N)
9	*********************************************
10	* Integrates the spectrum absorbed in Xe-CO2
11	* called by GPUSTEP
12	*********************************************
13	INTEGER N,I
14	REAL X(N),Y(N),SS(N),S
15	C
16	S=0.
17	SS(1)=0.
18	XTRINTEG=0.
19	DO I=2,N
20	S=S+(X(I)-X(I-1))*(Y(I)+Y(I-1))/2.
21	SS(I)=S
22	ENDDO
23	XTRINTEG=S
24	c PRINT*,'XTRINTEG=',XTRINTEG
25	RETURN
26	END