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ADAS Subroutine b8toth

C
      SUBROUTINE B8TOTH( NDLEV   , NDMET  , NDTEM , NDDEN ,
     &                   NORD    , NMET   , NPL   ,
     &                   IORDR   , IMETR  ,
     &                   IT      , MAXT   , IN    , MAXD  ,
     &                   RATPIA  ,
     &                   STVHM   , STVH   ,
     &                   PLA1    ,
     &                   PHA     , PH
     &                 )
C-----------------------------------------------------------------------
C
C  ****************** FORTRAN77 SUBROUTINE: B8TOTH *********************
C
C  PURPOSE: TO CALCULATE TOTAL CHARGE EXCHANGE DRIVEN LINE POWER.
C
C  NOTE: CODE EXECUTES FOR ONE TEMPERATURE AND DENSITY INDEX AT A TIME
C
C  CALLING PROGRAM:  ADAS208
C
C  SUBROUTINE:
C
C  INPUT : (I*4) NDLEV    = PARAMETER = MAX. NO. OF LEVELS ALLOWED
C  INPUT : (I*4) NDMET    = PARAMETER = MAX. NO. OF METASTABLES ALLOWED
C  INPUT : (I*4) NDTEM    = PARAMETER = MAX. NO. OF TEMPERATURES ALLOWED
C  INPUT : (I*4) NDDEN    = PARAMETER = MAX. NO. OF DENSITIES ALLOWED
C
C  INPUT : (I*4) NORD     = NUMBER OF ORD. LEVELS (1 <= NORD <= 'NDLEV')
C  INPUT : (I*4) NMET     = NUMBER OF METASTABLES (1 <= NMET <= 'NDMET')
C  INPUT : (I*4) NPL      = NUMBER OF PARENT METASTABLES (NPL<= 'NDMET')
C
C  INPUT : (I*4) IORDR()  = INDEX OF ORDINARY LEVELS IN COMPLETE LEVEL
C                           LIST (ARRAY SIZE = 'NDLEV' )
C  INPUT : (I*4) IMETR()  = INDEX OF METASTABLE IN COMPLETE LEVEL LIST
C                           (ARRAY SIZE = 'NDMET' )
C  INPUT : (I*4) IT       = CURRENT TEMPERATURE INDEX
C  INPUT : (I*4) MAXT     = NUMBER OF INPUT TEMPERATURES ( 1 -> 'NDTEM')
C  INPUT : (I*4) IN       = CURRENT DENSITY INDEX
C  INPUT : (I*4) MAXD     = NUMBER OF INPUT DENSITIES ( 1 -> 'NDDEN')
C  INPUT : (R*8) RATPIA(,)= RATIO ( N(Z+1)/N(Z)  STAGE ABUNDANCIES )
C                            1ST DIMENSION: DENS INDEX
C                            2ND DIMENSION: PARENT INDEX
C
C  INPUT : (R*8) STVHM(,,,)= METASTABLE LEVEL:
C                           CHARGE-EXCHANGE RECOMBINATION POPUL. PART
C                           (UNITS* CM**3/SEC-1)
C                             1st DIMENSION: METASTABLE INDEX
C                             2nd DIMENSION: TEMPERATURE INDEX
C                             3rd DIMENSION: DENSITY INDEX
C                             4TH DIMENSION: PARENT INDEX
C  INPUT : (R*4) STVH(,,,)= ORDINARY EXCITED LEVEL:
C                             CHARGE-EXCHANGE RECOMBINATION POPUL. PART
C                             (UNITS* CM**3/SEC-1)
C                             1st DIMENSION: ORDINARY LEVEL INDEX
C                             2nd DIMENSION: TEMPERATURE INDEX
C                             3rd DIMENSION: DENSITY INDEX
C                             4TH DIMENSION: PARENT INDEX
C  INPUT : (R*8)  PLA1()  = DIRECT LINE POWER LOSS FOR EACH LEVEL.
C                           (UNITS: ERGS SEC-1) (DIMENSION: LEVEL INDEX)
C
C  OUTPUT: (R*8)  PH(,,)  = TOTAL CX LINE POWER FOR PARENT. THIS IS
C                           THE SUM OF ALL EMISSIONS ORGINATING IN THE
C                           COLLISIONAL-RADIATIVE   SENSE   FROM   THE
C                           PARENT.
C                            => P(TOTAL)/N(IP)          (ERGS SEC-1)
C                             1ST DIMENSION: PARENT METASTABL INDEX
C                             2nd DIMENSION: TEMPERATURE INDEX
C                             3rd DIMENSION: DENSITY     INDEX
C  OUTPUT: (R*8)  PHA(,)  =  EQUILIBRIUM CX POWER COEFFT.
C                            => P(TOTAL)/(DENS*N(1))  (ERGS CM3 SEC-1)
C                             1st DIMENSION: TEMPERATURE INDEX
C                             2nd DIMENSION: DENSITY     INDEX
C
C          (I*4) IM       = METASTABLE LEVEL ARRAY INDEX
C          (I*4) IS       = ORDINARY LEVEL ARRAY INDEX
C          (I*4) IP       = PARENT METASTABLE INDEX
C
C
C
C ROUTINES: NONE
C
C
C AUTHOR:  H. P. SUMMERS, UNIVERSITY OF STRATHCLYDE
C          JA8.08
C          TEL. 0141-553-4196
C
C DATE:    24/05/96
C
C UPDATE:
C
C***********************************************************************
C PUT UNDER S.C.C.S CONTROL:
C
C VERSION: 1.1				DATE: 15/07/96
C MODIFIED: WILLIAM OSBORN (TESSELLA SUPPORT SERVICES PLC)
C	    - FIRST PUT UNDER S.C.C.S
C 
C 
C-----------------------------------------------------------------------
C
C-----------------------------------------------------------------------
      INTEGER             IMETR(NMET), IN,          IORDR(NORD), IT
      INTEGER             MAXD,        MAXT,        NDDEN,       NDLEV
      INTEGER             NDMET,       NDTEM,       NMET,        NORD
      INTEGER             NPL
      REAL*8              PH(NDTEM,NDDEN,NDMET),    PHA(NDTEM,NDDEN)
      REAL*8              PLA1(NDLEV), RATPIA(NDDEN,NDMET)
      REAL                STVH(NDLEV,NDTEM,NDDEN,NDMET)
      REAL*8              STVHM(NDMET,NDTEM,NDDEN,NDMET)
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