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substructure.f
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********************************************************************
SUBROUTINE SEARCH_SUBSTRUCTURE_GRID(IR,NL,NX,NY,NZ,NPATCH,
& PATCHNX,PATCHNY,PATCHNZ,PATCHX,PATCHY,PATCHZ,PATCHRX,
& PATCHRY,PATCHRZ,PARE,NCLUS,MASA,RADIO,CLUSRX,CLUSRY,
& CLUSRZ,REALCLUS,LEVHAL,NHALLEV,BOUND,CONTRASTEC,RODO,
& SOLAP,CR0AMR,CR0AMR11,PATCHCLUS,VOL_SOLAP_LOW,
& CLUSRXCM,CLUSRYCM,CLUSRZCM,RSUB,MSUB,SUBS_LEV,UM,
& PROFILES)
********************************************************************
* Pipeline for tentative halo finding over the grid
********************************************************************
IMPLICIT NONE
INCLUDE 'input_files/asohf_parameters.dat'
* I/O DATA
INTEGER NL,NX,NY,NZ
INTEGER NPATCH(0:NLEVELS)
INTEGER PATCHNX(NPALEV),PATCHNY(NPALEV),PATCHNZ(NPALEV)
INTEGER PATCHX(NPALEV),PATCHY(NPALEV),PATCHZ(NPALEV)
REAL PATCHRX(NPALEV),PATCHRY(NPALEV),PATCHRZ(NPALEV)
INTEGER PARE(NPALEV)
INTEGER NCLUS
REAL MASA(MAXNCLUS),RADIO(MAXNCLUS)
REAL*4 CLUSRX(MAXNCLUS),CLUSRY(MAXNCLUS),CLUSRZ(MAXNCLUS)
REAL*4 CLUSRXCM(MAXNCLUS),CLUSRYCM(MAXNCLUS),CLUSRZCM(MAXNCLUS)
INTEGER REALCLUS(MAXNCLUS),LEVHAL(MAXNCLUS)
INTEGER PATCHCLUS(MAXNCLUS)
INTEGER NHALLEV(0:NLEVELS)
REAL BOUND,CONTRASTEC,RODO
INTEGER SOLAP(NAMRX,NAMRY,NAMRZ,NPALEV)
INTEGER CR0AMR(NMAX,NMAY,NMAZ)
INTEGER CR0AMR11(NAMRX,NAMRY,NAMRZ,NPALEV)
REAL VOL_SOLAP_LOW
REAL RSUB(MAXNCLUS),MSUB(MAXNCLUS)
INTEGER SUBS_LEV(0:NLEVELS)
REAL UM
REAL*4 PROFILES(NBINS,2,NMAXNCLUS)
* GLOBAL VARIABLES
REAL*4 DX,DY,DZ
COMMON /ESPACIADO/ DX,DY,DZ
REAL*4 RADX(0:NMAX+1),RADY(0:NMAY+1),RADZ(0:NMAZ+1)
COMMON /GRID/ RADX,RADY,RADZ
REAL*4 RX(0:NAMRX+1,NPALEV),RY(0:NAMRX+1,NPALEV),
& RZ(0:NAMRX+1,NPALEV)
COMMON /GRIDAMR/ RX,RY,RZ
REAL*4 RETE,HTE,ROTE
COMMON /BACK/ RETE,HTE,ROTE
REAL*4 U1(NMAX,NMAY,NMAZ)
REAL*4 U11(NAMRX,NAMRY,NAMRZ,NPALEV)
COMMON /VARIA/ U1,U11
REAL*4 ACHE,T0,RE0
COMMON /DOS/ ACHE,T0,RE0
* LOCAL VARIABLES
INTEGER CONTA(NMAX,NMAY,NMAZ)
INTEGER CONTA1(NAMRX,NAMRY,NAMRZ,NPALEV)
REAL MAXIMO(NPALEV)
INTEGER VID(NLEVELS,NPALEV),NVID(NLEVELS)
INTEGER RELEVANT_PATCHES(NPALEV),NRELEVANT_PATCHES(NLEVELS)
INTEGER IR,IX,JY,KZ,I,J,K,II,JJ,KK,IPATCH,ICEN(3),NV_GOOD
INTEGER L1,L2,L3,NX1,NX2,NY1,NY2,NZ1,NZ2,KK_ENTERO,ITER_GROW
INTEGER N1,N2,N3,KONTA,LOW1,LOW2,I2,ICEN1(1),ICEN4(4),CEL,I1,J1
INTEGER K1,BORAMR,IRR,BASINT,FLAG_ITER,BOR,FLAG,IHOSTHALO
INTEGER FLAG_VIR,FLAG_JACOBI,NCLUS_INI,FLAG_DUP,NBINS_PRIV
REAL PRUEBAX,PRUEBAY,PRUEBAZ,RMIN,BASMASS_SHELL,BASMASS,DELTA
REAL ESP,ESP_LOG,BAS,KK_REAL,RSHELL,R_INT,R_EXT,RANT,LADO0
REAL BASDELTA,AA,PI,VOLCELL,BASX,BASY,BASZ,BASVOL,DISTA,MINDISTA
REAL X1,X2,Y1,Y2,Z1,Z2,DXPA,DYPA,DZPA,BASXX,BASYY,BASZZ
REAL XCEN,YCEN,ZCEN,BOUNDIR,X3,Y3,Z3,X4,Y4,Z4,MINDERIV
REAL VECDENS(1000),VECRAD(1000),DERIVATIVE(1000),BASVOL_SHELL
REAL MHOST,DISTHOST,EQ_JACOBI_R,DXPAPA,DYPAPA,DZPAPA
REAL CONTRASTECPEAK,MAX_R_PREV,BOUNDIR2
REAL*4, ALLOCATABLE::DDD(:)
INTEGER, ALLOCATABLE::DDDX(:),DDDY(:),DDDZ(:),DDDP(:)
CONTRASTECPEAK=CONTRASTEC/6.0
IF (IR.GE.2) CONTRASTECPEAK=CONTRASTEC
NCLUS_INI=NCLUS
WRITE(*,*) 'Looking for substructure at level', IR
LOW1=SUM(NPATCH(0:IR-1))+1
LOW2=SUM(NPATCH(0:IR))
DXPA=DX/(2.0**IR)
DYPA=DY/(2.0**IR)
DZPA=DZ/(2.0**IR)
* Find the cells covered by preexisting haloes
!$OMP PARALLEL DO SHARED(NPATCH,PATCHNX,PATCHNY,PATCHNZ,CONTA1,LOW1,
!$OMP+ LOW2),
!$OMP+ PRIVATE(I,N1,N2,N3,IX,JY,KZ),
!$OMP+ DEFAULT(NONE)
DO I=LOW1,LOW2
N1=PATCHNX(I)
N2=PATCHNY(I)
N3=PATCHNZ(I)
DO KZ=1,N3
DO JY=1,N2
DO IX=1,N1
CONTA1(IX,JY,KZ,I)=0
END DO
END DO
END DO
END DO
!$OMP PARALLEL DO SHARED(NPATCH,PATCHNX,PATCHNY,PATCHNZ,PATCHRX,PATCHRY,
!$OMP+ PATCHRZ,DXPA,DYPA,DZPA,CLUSRX,CLUSRY,CLUSRZ,
!$OMP+ RADIO,RX,RY,RZ,CONTA1,NCLUS,REALCLUS,RSUB,
!$OMP+ LOW1,LOW2),
!$OMP+ PRIVATE(I,N1,N2,N3,X1,X2,Y1,Y2,Z1,Z2,BASX,BASY,BASZ,
!$OMP+ BAS,IX,JY,KZ,AA,X3,Y3,Z3,X4,Y4,Z4),
!$OMP+ DEFAULT(NONE)
DO I=LOW1,LOW2
N1=PATCHNX(I)
N2=PATCHNY(I)
N3=PATCHNZ(I)
X1=PATCHRX(I)-DXPA
Y1=PATCHRY(I)-DYPA
Z1=PATCHRZ(I)-DZPA
X2=X1+N1*DXPA
Y2=Y1+N2*DYPA
Z2=Z1+N3*DZPA
DO II=1,NCLUS
BASX=CLUSRX(II)
BASY=CLUSRY(II)
BASZ=CLUSRZ(II)
IF (REALCLUS(II).EQ.0) THEN
CYCLE
ELSE IF (REALCLUS(II).EQ.-1) THEN
BAS=RADIO(II)
ELSE
BAS=RSUB(II)
END IF
X3=BASX-BAS
Y3=BASY-BAS
Z3=BASZ-BAS
X4=BASX+BAS
Y4=BASY+BAS
Z4=BASZ+BAS
IF (X1.LE.X4.AND.X3.LE.X2.AND.
& Y1.LE.Y4.AND.Y3.LE.Y2.AND.
& Z1.LE.Z4.AND.Z3.LE.Z2) THEN
c WRITE(*,*) BASX,BASY,BASZ,BAS
DO KZ=1,N3
DO JY=1,N2
DO IX=1,N1
AA=SQRT((RX(IX,I)-BASX)**2 +
& (RY(JY,I)-BASY)**2 +
& (RZ(KZ,I)-BASZ)**2)
IF (AA.LE.BAS) CONTA1(IX,JY,KZ,I)=1
END DO
END DO
END DO
END IF
END DO
END DO
! Unflag centers of haloes to avoid double-counting
!$OMP PARALLEL DO SHARED(NPATCH,PATCHNX,PATCHNY,PATCHNZ,PATCHRX,PATCHRY,
!$OMP+ PATCHRZ,DXPA,DYPA,DZPA,CLUSRX,CLUSRY,CLUSRZ,
!$OMP+ RADIO,RX,RY,RZ,CONTA1,NCLUS,REALCLUS,LOW1,
!$OMP+ LOW2),
!$OMP+ PRIVATE(I,N1,N2,N3,X1,X2,Y1,Y2,Z1,Z2,BASX,BASY,BASZ,
!$OMP+ BAS,IX,JY,KZ,AA,X3,Y3,Z3,X4,Y4,Z4),
!$OMP+ DEFAULT(NONE)
DO I=LOW1,LOW2
N1=PATCHNX(I)
N2=PATCHNY(I)
N3=PATCHNZ(I)
X1=PATCHRX(I)-DXPA
Y1=PATCHRY(I)-DYPA
Z1=PATCHRZ(I)-DZPA
X2=X1+N1*DXPA
Y2=Y1+N2*DYPA
Z2=Z1+N3*DZPA
DO II=1,NCLUS
BASX=CLUSRX(II)
BASY=CLUSRY(II)
BASZ=CLUSRZ(II)
IF (REALCLUS(II).EQ.0) CYCLE
BAS=2.0*DXPA !0.1*RADIO(II)
X3=BASX-BAS
Y3=BASY-BAS
Z3=BASZ-BAS
X4=BASX+BAS
Y4=BASY+BAS
Z4=BASZ+BAS
IF (X1.LE.X4.AND.X3.LE.X2.AND.
& Y1.LE.Y4.AND.Y3.LE.Y2.AND.
& Z1.LE.Z4.AND.Z3.LE.Z2) THEN
c WRITE(*,*) BASX,BASY,BASZ,BAS
DO KZ=1,N3
DO JY=1,N2
DO IX=1,N1
AA=SQRT((RX(IX,I)-BASX)**2 +
& (RY(JY,I)-BASY)**2 +
& (RZ(KZ,I)-BASZ)**2)
IF (AA.LE.BAS) CONTA1(IX,JY,KZ,I)=0
END DO
END DO
END DO
END IF
END DO
END DO
! clean conta1 from overlaps
CALL CLEAN_OVERLAPS_INT(NL,NPATCH,PATCHNX,PATCHNY,PATCHNZ,
& SOLAP,CONTA1)
* CONTA1=0 --> the cell is outside any previous halo, or in the
* core of a previous halo, or overlaps another
* cell and is slave
* CONTA1=1 --> outside any halo, and not overlapped (or master)
ESP=0.2*DXPA
ESP_LOG=1.05
BORAMR=1
MAX_R_PREV=MAXVAL(RADIO(1:SUBS_LEV(0)))
BOUNDIR=MAX_R_PREV/1.75**IR!MAX(BOUND/1.5**IR,2.0)
* estimation to allocate
KK_ENTERO=0
!$OMP PARALLEL DO SHARED(PATCHNX,PATCHNY,PATCHNZ,U11,CONTRASTECPEAK,
!$OMP+ LOW1,LOW2,CONTA1,BORAMR),
!$OMP+ PRIVATE(N1,N2,N3,I,IX,JY,KZ,BASX,BASY,BASZ,BASXX,
!$OMP+ BASYY,BASZZ),
!$OMP+ REDUCTION(+:KK_ENTERO),
!$OMP+ DEFAULT(NONE)
DO I=LOW1,LOW2
N1=PATCHNX(I)
N2=PATCHNY(I)
N3=PATCHNZ(I)
DO KZ=1+BORAMR,N3-BORAMR
DO JY=1+BORAMR,N2-BORAMR
DO IX=1+BORAMR,N1-BORAMR
IF (U11(IX,JY,KZ,I).GE.CONTRASTECPEAK.AND.
& CONTA1(IX,JY,KZ,I).EQ.1) THEN
c BASX =U11(IX+1,JY,KZ,I)-U11(IX,JY,KZ,I)
c BASY =U11(IX,JY+1,KZ,I)-U11(IX,JY,KZ,I)
c BASZ =U11(IX,JY,KZ+1,I)-U11(IX,JY,KZ,I)
c BASXX=U11(IX,JY,KZ,I) -U11(IX-1,JY,KZ,I)
c BASYY=U11(IX,JY,KZ,I) -U11(IX,JY-1,KZ,I)
c BASZZ=U11(IX,JY,KZ,I) -U11(IX,JY,KZ-1,I)
c IF (BASX.LT.0) THEN
c IF (BASY.LT.0) THEN
c IF (BASZ.LT.0) THEN
c IF (BASXX.GT.0) THEN
c IF (BASYY.GT.0) THEN
c IF (BASZZ.GT.0) THEN ! then it's a local maximum
c KK_ENTERO=KK_ENTERO+1
c END IF
c END IF
c END IF
c END IF
c END IF
c END IF
IF(U11(IX,JY,KZ,I).GE.MAXVAL(U11(IX-1:IX+1,JY-1:JY+1,
& KZ-1:KZ+1,I))) THEN
KK_ENTERO=KK_ENTERO+1
END IF
END IF
END DO
END DO
END DO
END DO
WRITE(*,*) '... Clean cells above virial contrast',KK_ENTERO
ALLOCATE(DDD(KK_ENTERO))
ALLOCATE(DDDX(KK_ENTERO))
ALLOCATE(DDDY(KK_ENTERO))
ALLOCATE(DDDZ(KK_ENTERO))
ALLOCATE(DDDP(KK_ENTERO))
!$OMP PARALLEL DO SHARED(DDD,DDDX,DDDY,DDDZ,DDDP,KK_ENTERO),
!$OMP+ PRIVATE(I), DEFAULT(NONE)
DO I=1,KK_ENTERO
DDD(I)=0.0
DDDX(I)=0
DDDY(I)=0
DDDZ(I)=0
DDDP(I)=0
END DO
II=0
DO I=LOW1,LOW2
N1=PATCHNX(I)
N2=PATCHNY(I)
N3=PATCHNZ(I)
DO KZ=1+BORAMR,N3-BORAMR
DO JY=1+BORAMR,N2-BORAMR
DO IX=1+BORAMR,N1-BORAMR
IF (U11(IX,JY,KZ,I).GE.CONTRASTECPEAK.AND.
& CONTA1(IX,JY,KZ,I).EQ.1) THEN
C BASX =U11(IX+1,JY,KZ,I)-U11(IX,JY,KZ,I)
C IF (BASX.LT.0.0) THEN
C BASY =U11(IX,JY+1,KZ,I)-U11(IX,JY,KZ,I)
C IF (BASY.LT.0.0) THEN
C BASZ =U11(IX,JY,KZ+1,I)-U11(IX,JY,KZ,I)
C IF (BASZ.LT.0.0) THEN
C BASXX=U11(IX,JY,KZ,I) -U11(IX-1,JY,KZ,I)
C IF (BASXX.GT.0.0) THEN
C BASYY=U11(IX,JY,KZ,I) -U11(IX,JY-1,KZ,I)
C IF (BASYY.GT.0.0) THEN
C BASZZ=U11(IX,JY,KZ,I) -U11(IX,JY,KZ-1,I)
C IF (BASZZ.GT.0.0) THEN ! then it's a local maximum
C II=II+1
C DDD(II)=U11(IX,JY,KZ,I)
C DDDX(II)=IX
C DDDY(II)=JY
C DDDZ(II)=KZ
C DDDP(II)=I
C END IF
C END IF
C END IF
C END IF
C END IF
C END IF
IF (U11(IX,JY,KZ,I).GE.MAXVAL(U11(IX-1:IX+1,JY-1:JY+1,
& KZ-1:KZ+1,I))) THEN
II=II+1
DDD(II)=U11(IX,JY,KZ,I)
DDDX(II)=IX
DDDY(II)=JY
DDDZ(II)=KZ
DDDP(II)=I
END IF
END IF
END DO
END DO
END DO
END DO
CALL SORT_CELLS_AMR(KK_ENTERO,DDD,DDDX,DDDY,DDDZ,DDDP)
NV_GOOD=KK_ENTERO
KK_ENTERO=0
* Go through all the center candidates
DO L1=1,NV_GOOD
C write(*,*)
C write(*,*) 'new candidate!!!!',l1
ICEN4(1)=DDDX(L1)
ICEN4(2)=DDDY(L1)
ICEN4(3)=DDDZ(L1)
ICEN4(4)=DDDP(L1)
IX=ICEN4(1)
JY=ICEN4(2)
KZ=ICEN4(3)
IPATCH=ICEN4(4)
IF (CONTA1(IX,JY,KZ,IPATCH).EQ.0) CYCLE
XCEN=RX(IX,IPATCH)
YCEN=RY(JY,IPATCH)
ZCEN=RZ(KZ,IPATCH)
IF (IR.NE.NL) THEN
CALL RECENTER_DENSITY_PEAK(XCEN,YCEN,ZCEN,IR,U1,U11,PATCHRX,
& PATCHRY,PATCHRZ,PATCHNX,PATCHNY,
& PATCHNZ,NPATCH,LADO0,NL,IX,JY,KZ,
& IPATCH)
* Assert we have not yet identified this same halo (dupplicated
* due to recentering)
FLAG_DUP=0
DO II=NCLUS_INI+1,NCLUS
IF ((XCEN-CLUSRX(II))**2+(YCEN-CLUSRY(II))**2+
& (ZCEN-CLUSRZ(II))**2.LT.RSUB(II)**2) THEN
FLAG_DUP=1
EXIT
END IF
END DO
IF (FLAG_DUP.EQ.1) CYCLE
END IF ! (IR.NE.NL)
c KK_ENTERO=CONTA1(IX,JY,KZ,IPATCH)
c if (kk_entero.eq.0) then
c write(*,*) 'kk_entero=0 at',xcen,ycen,zcen
c CALL FIND_HOST_HALO(XCEN,YCEN,ZCEN,DXPA,IR,SUBS_LEV,REALCLUS,
c & CLUSRX,CLUSRY,CLUSRZ,RADIO,IHOSTHALO)
c BASXX=CLUSRX(IHOSTHALO)
c BASYY=CLUSRY(IHOSTHALO)
c BASZZ=CLUSRZ(IHOSTHALO)
c MHOST=MASA(IHOSTHALO)
c
c DISTHOST=SQRT((BASXX-XCEN)**2+(BASYY-YCEN)**2+(BASZZ-ZCEN)**2)
c write(*,*) 'indeed, dista=',disthost
c end if
ccc IF (KK_ENTERO.EQ.1) THEN ! this means this peak is not inside a halo yet
CALL FIND_HOST_HALO(XCEN,YCEN,ZCEN,DXPA,IR,SUBS_LEV,REALCLUS,
& CLUSRX,CLUSRY,CLUSRZ,RADIO,RSUB,IHOSTHALO)
IF (IHOSTHALO.EQ.-1) THEN
C write(*,*) 'not found parent',xcen,ycen,zcen
CYCLE
END IF
BASXX=CLUSRX(IHOSTHALO)
BASYY=CLUSRY(IHOSTHALO)
BASZZ=CLUSRZ(IHOSTHALO)
IF (REALCLUS(IHOSTHALO).EQ.-1) THEN
MHOST=MASA(IHOSTHALO)
ELSE
MHOST=MSUB(IHOSTHALO)
END IF
DISTHOST=SQRT((BASXX-XCEN)**2+(BASYY-YCEN)**2+(BASZZ-ZCEN)**2)
IF (DISTHOST.LT.2.0*DXPA) CYCLE
! MHOST is the mass inside DISTHOST. Let's interpolate
NBINS_PRIV=NBINS
DO JJ=1,NBINS
IF (PROFILES(JJ,1,IHOSTHALO).EQ.0.0) THEN
NBINS_PRIV=JJ-1
EXIT
END IF
END DO
DO JJ=1,NBINS_PRIV
IF (PROFILES(JJ,1,IHOSTHALO).GT.DISTHOST) EXIT
END DO
IF (JJ.EQ.1) THEN
MHOST=PROFILES(JJ,2,IHOSTHALO)*
& (DISTHOST/PROFILES(JJ,1,IHOSTHALO))**3
ELSE IF (JJ.LE.NBINS_PRIV) THEN
MHOST=PROFILES(JJ-1,2,IHOSTHALO)+
& (PROFILES(JJ,2,IHOSTHALO)-PROFILES(JJ-1,2,IHOSTHALO)) *
& (DISTHOST**3-PROFILES(JJ-1,1,IHOSTHALO)**3) /
& (PROFILES(JJ,1,IHOSTHALO)**3-PROFILES(JJ-1,1,IHOSTHALO)**3)
ELSE
MHOST=PROFILES(NBINS_PRIV,2,IHOSTHALO)
END IF
c WRITE(*,*) 'MHOST INTERP', PROFILES(NBINS,2,IHOSTHALO),
c & DISTHOST/PROFILES(NBINS,1,IHOSTHALO),MHOST
NCLUS=NCLUS+1
REALCLUS(NCLUS)=IHOSTHALO
LEVHAL(NCLUS)=IR
!NHALLEV(IR)=NHALLEV(IR)+1
PATCHCLUS(NCLUS)=IPATCH
CLUSRX(NCLUS)=XCEN
CLUSRY(NCLUS)=YCEN
CLUSRZ(NCLUS)=ZCEN
IF(NCLUS.GT.MAXNCLUS) THEN
WRITE(*,*) 'WARNING: NCLUS>MAXNCLUS!!!',NCLUS,MAXNCLUS
STOP
END IF
* tentative reach of the base grid
BASX=XCEN-BOUNDIR
NX1=INT(((BASX-RADX(1))/DX)+0.5)+1
IF (NX1.LT.1) NX1=1
BASX=XCEN+BOUNDIR
NX2=INT(((BASX-RADX(1))/DX)+0.5)+1
IF (NX2.GT.NX) NX2=NX
BASY=YCEN-BOUNDIR
NY1=INT(((BASY-RADY(1))/DY)+0.5)+1
IF (NY1.LT.1) NY1=1
BASY=YCEN+BOUNDIR
NY2=INT(((BASY-RADY(1))/DY)+0.5)+1
IF (NY2.GT.NY) NY2=NY
BASZ=ZCEN-BOUNDIR
NZ1=INT(((BASZ-RADZ(1))/DZ)+0.5)+1
IF (NZ1.LT.1) NZ1=1
BASZ=ZCEN+BOUNDIR
NZ2=INT(((BASZ-RADZ(1))/DZ)+0.5)+1
IF (NZ2.GT.NZ) NZ2=NZ
* patches that could contain this halo
CALL PATCHES_SPHERE(NPATCH,PATCHRX,PATCHRY,PATCHRZ,PATCHNX,
& PATCHNY,PATCHNZ,XCEN,YCEN,ZCEN,BOUNDIR,
& NL,NL,RELEVANT_PATCHES,NRELEVANT_PATCHES)
c WRITE(*,*) CLUSRX(NCLUS),NX1,NX2,RADX(NX1),RADX(NX2)
c DO I=1,NRELEVANT_PATCHES(1)
c WRITE(*,*) I,PATCHRX(RELEVANT_PATCHES(I))-DX/2.0,
c & PATCHRX(RELEVANT_PATCHES(I))+
c & (PATCHNX(RELEVANT_PATCHES(I))-1)*DX/2.0
c END DO
* Now, we extend the cluster radially from its center
BASX=0.0
BASY=0.0
BASZ=0.0
BASDELTA=0.0
BASMASS_SHELL=0.0
BASMASS=0.0 !TOTAL MASS OF THE CLUSTER
DELTA=0.0 !TOTAL CONTRAST OF THE CLUSTER
BASVOL=0.0 !TOTAL VOLUME OF THE CLUSTER (sphere)
R_INT=0.0
R_EXT=0.8*DXPA ! major semidiagonal of a cube (max distance to a cell)
* increase the radius until density falls below the virial value
DELTA=10.0*CONTRASTEC*ROTE ! this is to ensure we enter the loop
ITER_GROW=0
II=0
FLAG_VIR=0
FLAG_JACOBI=0
JJ=0
!WRITE(*,*) '**',NX1,NX2,NY1,NY2,NZ1,NZ2,NRELEVANT_PATCHES(1:NL)
DO WHILE(FLAG_JACOBI.EQ.0)
ITER_GROW=ITER_GROW+1
IF (ITER_GROW.GT.1) THEN
R_INT=R_EXT
R_EXT=MAX(R_EXT+ESP, R_EXT*ESP_LOG)
END IF
BOUNDIR2=R_EXT
* tentative reach of the base grid
BASX=XCEN-BOUNDIR2
NX1=INT(((BASX-RADX(1))/DX)+0.5)+1
IF (NX1.LT.1) NX1=1
BASX=XCEN+BOUNDIR2
NX2=INT(((BASX-RADX(1))/DX)+0.5)+1
IF (NX2.GT.NX) NX2=NX
BASY=YCEN-BOUNDIR2
NY1=INT(((BASY-RADY(1))/DY)+0.5)+1
IF (NY1.LT.1) NY1=1
BASY=YCEN+BOUNDIR2
NY2=INT(((BASY-RADY(1))/DY)+0.5)+1
IF (NY2.GT.NY) NY2=NY
BASZ=ZCEN-BOUNDIR2
NZ1=INT(((BASZ-RADZ(1))/DZ)+0.5)+1
IF (NZ1.LT.1) NZ1=1
BASZ=ZCEN+BOUNDIR2
NZ2=INT(((BASZ-RADZ(1))/DZ)+0.5)+1
IF (NZ2.GT.NZ) NZ2=NZ
* patches that could contain this halo
CALL PATCHES_SPHERE(NPATCH,PATCHRX,PATCHRY,PATCHRZ,PATCHNX,
& PATCHNY,PATCHNZ,XCEN,YCEN,ZCEN,BOUNDIR2,
& IR,NL,RELEVANT_PATCHES,NRELEVANT_PATCHES)
BASMASS_SHELL=0.0
VOLCELL=DX*DY*DZ
!$OMP PARALLEL DO SHARED(NZ1,NZ2,NY1,NY2,NX1,NX2,RADX,RADY,RADZ,XCEN,
!$OMP+ YCEN,ZCEN,R_INT,R_EXT,VOLCELL,U1,CR0AMR),
!$OMP+ PRIVATE(I,J,K,AA,BAS),
!$OMP+ REDUCTION(+:BASVOL,BASMASS_SHELL,BASX,BASY,BASZ,
!$OMP+ BASDELTA,II),
!$OMP+ DEFAULT(NONE)
DO K=NZ1,NZ2
DO J=NY1,NY2
DO I=NX1,NX2
IF (CR0AMR(I,J,K).EQ.1) THEN
AA=SQRT((RADX(I)-XCEN)**2 + (RADY(J)-YCEN)**2 +
& (RADZ(K)-ZCEN)**2)
IF (AA.GE.R_INT.AND.AA.LT.R_EXT) THEN
!CONTA(I,J,K)=1 ! do not try to find an additional halo here (at this level)
II=II+1
BASVOL=BASVOL+VOLCELL
BAS=U1(I,J,K)*VOLCELL !U1 is not density contrast, but 1+delta = rho/rho_B!!!
BASMASS_SHELL=BASMASS_SHELL+BAS
BASX=BASX+RADX(I)*BAS
BASY=BASY+RADY(J)*BAS
BASZ=BASZ+RADZ(K)*BAS
BASDELTA=BASDELTA+BAS
END IF
END IF
END DO
END DO
END DO
! AND NOW LOOP UP THROUGH REFINEMENT LEVELS
DO IRR=1,NL
DXPAPA=DX/2.0**IRR
DYPAPA=DY/2.0**IRR
DZPAPA=DZ/2.0**IRR
LOW1=SUM(NRELEVANT_PATCHES(1:IRR-1))+1
LOW2=SUM(NRELEVANT_PATCHES(1:IRR))
VOLCELL=DXPAPA*DYPAPA*DZPAPA
!$OMP PARALLEL DO SHARED(RX,RY,RZ,XCEN,YCEN,ZCEN,R_INT,R_EXT,CONTA1,
!$OMP+ VOLCELL,U11,CR0AMR11,SOLAP,LOW1,LOW2,
!$OMP+ RELEVANT_PATCHES,PATCHNX,PATCHNY,PATCHNZ),
!$OMP+ PRIVATE(IX,JY,KZ,AA,BAS,BASINT,N1,N2,N3,IPATCH),
!$OMP+ REDUCTION(+:BASVOL,BASMASS_SHELL,BASX,BASY,BASZ,
!$OMP+ BASDELTA,II),
!$OMP+ DEFAULT(NONE)
DO BASINT=LOW1,LOW2
IPATCH=RELEVANT_PATCHES(BASINT)
N1=PATCHNX(IPATCH)
N2=PATCHNY(IPATCH)
N3=PATCHNZ(IPATCH)
DO KZ=1,N3
DO JY=1,N2
DO IX=1,N1
IF (CR0AMR11(IX,JY,KZ,IPATCH).EQ.1) THEN
IF (SOLAP(IX,JY,KZ,IPATCH).EQ.1) THEN
! DO STUFF
AA=SQRT((RX(IX,IPATCH)-XCEN)**2 +
& (RY(JY,IPATCH)-YCEN)**2 +
& (RZ(KZ,IPATCH)-ZCEN)**2)
IF (AA.GE.R_INT.AND.AA.LT.R_EXT) THEN
II=II+1
BASVOL=BASVOL+VOLCELL
BAS=U11(IX,JY,KZ,IPATCH)*VOLCELL !U1 is not density contrast, but 1+delta = rho/rho_B!!!
BASMASS_SHELL=BASMASS_SHELL+BAS
BASX=BASX+RX(IX,IPATCH)*BAS
BASY=BASY+RY(JY,IPATCH)*BAS
BASZ=BASZ+RZ(KZ,IPATCH)*BAS
BASDELTA=BASDELTA+BAS
CONTA1(IX,JY,KZ,IPATCH)=0
END IF
END IF
END IF
END DO
END DO
END DO
END DO
END DO
BASMASS=BASMASS+BASMASS_SHELL*RODO*RE0**3
IF (BASVOL.GT.0.0) DELTA=BASMASS/(BASVOL*RETE**3)
IF (FLAG_VIR.EQ.0.AND.DELTA.LT.CONTRASTEC*ROTE) THEN
FLAG_VIR=1
MASA(NCLUS)=BASMASS*UM
RADIO(NCLUS)=R_EXT*UM
END IF
EQ_JACOBI_R=(R_EXT/DISTHOST)-
& ((BASMASS*UM)/(BASMASS*UM+3*MHOST))**(1.0/3.0)
C WRITE(*,*) L1,ITER_GROW,R_EXT,BASMASS*UM,DELTA/ROTE,
C & II
C WRITE(*,*) '... ',EQ_JACOBI_R,R_EXT/DISTHOST,
C & ((BASMASS*UM)/(BASMASS*UM+3*MHOST))**(1.0/3.0)
IF (EQ_JACOBI_R.GT.0.0.AND.II.GT.15) THEN
FLAG_JACOBI=1
RSUB(NCLUS)=R_EXT
MSUB(NCLUS)=BASMASS*UM
END IF
END DO ! do while (DELTA)
CLUSRXCM(NCLUS)=BASX/BASDELTA
CLUSRYCM(NCLUS)=BASY/BASDELTA
CLUSRZCM(NCLUS)=BASZ/BASDELTA
END DO ! L1=1,NV_GOOD
DEALLOCATE(DDD,DDDX,DDDY,DDDZ,DDDP)
SUBS_LEV(IR)=NCLUS-NCLUS_INI
WRITE(*,*) '... Halos found at level:',IR,SUBS_LEV(IR)
RETURN
END
********************************************************************
SUBROUTINE FIND_HOST_HALO(BASX,BASY,BASZ,DXPA,IR,SUBS_LEV,
& REALCLUS,CLUSRX,CLUSRY,CLUSRZ,RADIO,
& RSUB,IHOSTHALO)
********************************************************************
* Find the host halo (from deeper levels to coarser levels of
* substructure)
********************************************************************
IMPLICIT NONE
INCLUDE 'input_files/asohf_parameters.dat'
REAL BASX,BASY,BASZ,DXPA
INTEGER IR
INTEGER SUBS_LEV(0:NLEVELS)
INTEGER REALCLUS(MAXNCLUS)
REAL*4 CLUSRX(MAXNCLUS),CLUSRY(MAXNCLUS),CLUSRZ(MAXNCLUS)
REAL RADIO(MAXNCLUS),RSUB(MAXNCLUS)
INTEGER IHOSTHALO
INTEGER FLAG,IRR,LOW1,LOW2,II
REAL MINDISTA,BASXX,BASYY,BASZZ,BAS,DISTA
FLAG=0
MINDISTA=100000.0
DO IRR=IR-1,0,-1
LOW1=SUM(SUBS_LEV(0:IRR-1))+1
LOW2=SUM(SUBS_LEV(0:IRR))
DO II=LOW1,LOW2
IF (REALCLUS(II).EQ.0) CYCLE
BASXX=CLUSRX(II)
BASYY=CLUSRY(II)
BASZZ=CLUSRZ(II)
IF (REALCLUS(II).EQ.-1) THEN
BAS=RADIO(II)
ELSE
BAS=RSUB(II)
END IF
DISTA=SQRT((BASX-BASXX)**2+(BASY-BASYY)**2+(BASZ-BASZZ)**2)
& / BAS
IF (DISTA.LT.1.0) THEN
C WRITE(*,*) 'PROG',II,BASX,BASY,BASZ,BASXX,BASYY,BASZZ,BAS,
C & DISTA
IF (FLAG.EQ.0) FLAG=1
IF (DISTA.LT.MINDISTA) THEN
MINDISTA=DISTA
IHOSTHALO=II
END IF
END IF !(DISTA.LT.1.0)
END DO !II=LOW1,LOW2
IF (FLAG.EQ.1) EXIT
END DO !IRR=IR-1,0,-1
IF (FLAG.NE.1) THEN
C WRITE(*,*) 'Not found progenitor'
IHOSTHALO=-1
END IF
RETURN
END
**********************************************************************
SUBROUTINE SUBSTRUCTURE_PARTICLES(IR,NL,NCLUS,MASA,RADIO,CLUSRX,
& CLUSRY,CLUSRZ,REALCLUS,CONCENTRA,ANGULARM,VMAXCLUS,IPLIP,VX,
& VY,VZ,VCMAX,MCMAX,RCMAX,M200C,M500C,M2500C,M200M,M500M,
& M2500M,MSUB,R200C,R500C,R2500C,R200M,R500M,R2500M,RSUB,
& DMPCLUS,LEVHAL,EIGENVAL,N_DM,CONTRASTEC,OMEGAZ,UM,UV,LADO0,
& CLUSRXCM,CLUSRYCM,CLUSRZCM,MEAN_VR,INERTIA_TENSOR,SUBS_LEV,
& PATCHCLUS,NPATCH,PROFILES,VELOCITY_DISPERSION,KINETIC_E,
& POTENTIAL_E,DO_COMPUTE_ENERGIES,INDCS_PARTICLES_PER_HALO,
& FLAG_WDM,ZETA,MIN_NUM_PART,MAX_NUM_PART,NDMPART_X,VAR,
& MAX_PART_DSUM)
**********************************************************************
* Refines halo identification with DM particles
**********************************************************************
USE PARTICLES
IMPLICIT NONE
INCLUDE 'input_files/asohf_parameters.dat'
INTEGER IR,NL,NCLUS
REAL*4 MASA(MAXNCLUS),RADIO(MAXNCLUS)
REAL*4 CLUSRX(MAXNCLUS),CLUSRY(MAXNCLUS),CLUSRZ(MAXNCLUS)
INTEGER REALCLUS(MAXNCLUS)
REAL*4 CONCENTRA(NMAXNCLUS),ANGULARM(3,NMAXNCLUS)
REAL*4 VMAXCLUS(NMAXNCLUS)
INTEGER IPLIP(NMAXNCLUS)
REAL*4 VX(NMAXNCLUS),VY(NMAXNCLUS),VZ(NMAXNCLUS)
REAL*4 VCMAX(NMAXNCLUS),MCMAX(NMAXNCLUS),RCMAX(NMAXNCLUS)
REAL*4 M200C(NMAXNCLUS),R200C(NMAXNCLUS)
REAL*4 M500C(NMAXNCLUS),R500C(NMAXNCLUS)
REAL*4 M2500C(NMAXNCLUS),R2500C(NMAXNCLUS)
REAL*4 M200M(NMAXNCLUS),R200M(NMAXNCLUS)
REAL*4 M500M(NMAXNCLUS),R500M(NMAXNCLUS)
REAL*4 M2500M(NMAXNCLUS),R2500M(NMAXNCLUS)
REAL*4 MSUB(MAXNCLUS),RSUB(MAXNCLUS)
INTEGER DMPCLUS(MAXNCLUS),LEVHAL(MAXNCLUS)
REAL*4 EIGENVAL(3,NMAXNCLUS)
INTEGER N_DM
REAL*4 CONTRASTEC,OMEGAZ,UM,UV,LADO0
REAL*4 CLUSRXCM(MAXNCLUS),CLUSRYCM(MAXNCLUS),CLUSRZCM(MAXNCLUS)
REAL*4 MEAN_VR(NMAXNCLUS),INERTIA_TENSOR(6,NMAXNCLUS)
INTEGER SUBS_LEV(0:NLEVELS),PATCHCLUS(MAXNCLUS),NPATCH(0:NLEVELS)
REAL*4 PROFILES(NBINS,2,NMAXNCLUS),VELOCITY_DISPERSION(NMAXNCLUS)
REAL*4 KINETIC_E(NMAXNCLUS),POTENTIAL_E(NMAXNCLUS)
INTEGER DO_COMPUTE_ENERGIES
INTEGER INDCS_PARTICLES_PER_HALO(2,NMAXNCLUS),FLAG_WDM
REAL*4 ZETA
INTEGER MIN_NUM_PART,MAX_NUM_PART,NDMPART_X(0:NMAX),VAR
INTEGER MAX_PART_DSUM
REAL*4 PI,ACHE,T0,RE0
COMMON /DOS/ACHE,T0,RE0
REAL*4 UNTERCIO,CGR,CGR2,ZI,RODO,ROI
COMMON /CONS/CGR,PI
REAL*4 OMEGA0
REAL*4 RETE,HTE,ROTE
COMMON /BACK/ RETE,HTE,ROTE
REAL*4 DX,DY,DZ
COMMON /ESPACIADO/ DX,DY,DZ
* Local variables
INTEGER DIMEN,KONTA1,KONTA2,I,KK_ENTERO,NROT,II
INTEGER KONTA,J,CONTAERR,JJ,SALIDA,KONTA3,NSHELL_2,KONTA2PREV
INTEGER IX,JY,KK1,KK2,FAC,ITER_SHRINK,COUNT_1,COUNT_2,JJCORE
INTEGER FLAG200C,FLAG500C,FLAG2500C,FLAG200M,FLAG500M,FLAG2500M
INTEGER FLAGVIR,JMINPROF,LOWH1,LOWH2,IHOSTHALO,FLAG_JACOBI
INTEGER NCAPAS(NMAXNCLUS),IPATCH,IRR,MINJ,DIR,J_JACOBI,EACH_PROF
INTEGER MOST_BOUND_IDX,USELESS_INT,WELL_ALLOCATED
INTEGER LOWP1,LOWP2,MAX_NUM_PART_COM,NBINS_PRIV
REAL ESP,REF,REF_MIN,REF_MAX,DIS,VCM,MINOVERDENS,XLDOM
REAL VVV2,CONCEN,RS,BAS,AADM,CMX,CMY,CMZ,VCMX,VCMY,CX,CY,CZ
REAL VCMZ,MASA2,NORMA,BAS1,BAS2,VOL,DELTA2,RSHELL,RCLUS,BASVEC(3)
REAL DENSA,DENSB,DENSC,VKK,AA,XP,YP,ZP,MP
REAL INERTIA(3,3),BASEIGENVAL(3),RADII_ITER(7),BASVECCM(3)
REAL BASVCM(3),MHOST,DISTHOST
REAL DENSITOT(0:1000),RADIAL(0:1000),DENSR(0:1000)
REAL LOGDERIV(0:1000),EPOT,GCONS
INTEGER,ALLOCATABLE::LIP(:),CONTADM(:)
REAL,ALLOCATABLE::DISTA(:)
* DOUBLE PRECISION VARIABLES
REAL*8 MASADM,BASMAS,VR,BASX,BASY,BASZ,BAS8,BASVX,BASVY,BASVZ
REAL*8 SIGMA_HALO,EKIN,INERTIA8(3,3),EQ_JACOBI_R
! For writing DM particles
INTEGER,ALLOCATABLE::PARTICLES_PROC(:,:),PROC_NPARTICLES(:)
INTEGER,ALLOCATABLE::HALOES_PROC(:,:)
INTEGER NUM_PROC,ID_PROC,IPART_PROC,OMP_GET_THREAD_NUM
COMMON /PROCESADORES/ NUM_PROC
PI=DACOS(-1.D0)
GCONS=4.301E-9 ! in Msun^-1*Mpc*km^2*s^-2
XLDOM=-LADO0/2
DIMEN=3 !DIMENSION DE LOS HALOS
NCAPAS=0
ESP=0.0
REF=0.0
KONTA1=0
KONTA2=0
MINOVERDENS=MIN(200.0,CONTRASTEC)
LOWH1=SUM(SUBS_LEV(0:IR-1))+1
LOWH2=SUM(SUBS_LEV(0:IR))
WRITE(*,*) 'Refining with particles, haloes:',LOWH1,LOWH2,
& LOWH2-LOWH1+1
NORMA=MAXVAL(MASAP)
IF (FLAG_WDM.EQ.1.OR.VAR.GT.1) THEN
ALLOCATE(PARTICLES_PROC(PARTI,NUM_PROC),
& HALOES_PROC(3,NCLUS),
& PROC_NPARTICLES(NUM_PROC))
PROC_NPARTICLES(1:NUM_PROC)=0
END IF
MAX_NUM_PART_COM=MAXVAL(DMPCLUS(1:NCLUS))/100
MAX_NUM_PART_COM=MAX_NUM_PART_COM/IR
!ALLOCATE(LIP(MAX_NUM_PART),CONTADM(MAX_NUM_PART))
!ALLOCATE (DISTA(0:MAX_NUM_PART))
!$OMP PARALLEL DO SHARED(NCLUS,REALCLUS,
!$OMP+ LEVHAL,RXPA,RYPA,RZPA,CLUSRX,CLUSRY,CLUSRZ,NL,MASAP,
!$OMP+ U2DM,U3DM,U4DM,VX,VY,VZ,ACHE,PI,RETE,ROTE,VCMAX,
!$OMP+ MCMAX,RCMAX,CONTRASTEC,OMEGAZ,CGR,UM,UV,DMPCLUS,
!$OMP+ CONCENTRA,ORIPA,ANGULARM,IPLIP,DIMEN,EIGENVAL,
!$OMP+ MIN_NUM_PART,RADIO,MASA,VMAXCLUS,N_DM,NORMA,R200M,
!$OMP+ R500M,R2500M,R200C,R500C,R2500C,M200M,M500M,M2500M,
!$OMP+ M200C,M500C,M2500C,RSUB,MSUB,MINOVERDENS,CLUSRXCM,
!$OMP+ CLUSRYCM,CLUSRZCM,DX,MEAN_VR,INERTIA_TENSOR,LOWH1,
!$OMP+ LOWH2,PATCHCLUS,NPATCH,PROFILES,NCAPAS,
!$OMP+ VELOCITY_DISPERSION,GCONS,KINETIC_E,POTENTIAL_E,
!$OMP+ DO_COMPUTE_ENERGIES,PARTICLES_PROC,HALOES_PROC,
!$OMP+ PROC_NPARTICLES,FLAG_WDM,ZETA,MAX_NUM_PART_COM,XLDOM,
!$OMP+ NDMPART_X,VAR,PARTI,MAX_PART_DSUM),
!$OMP+ PRIVATE(I,INERTIA,REF_MIN,REF_MAX,KK_ENTERO,MASADM,KONTA,
!$OMP+ BASMAS,DIS,VCM,VVV2,VR,LIP,CONCEN,RS,KONTA2,BAS,J,
!$OMP+ AADM,KK1,KK2,CONTADM,CMX,CMY,CMZ,VCMX,VCMY,VCMZ,MASA2,
!$OMP+ DISTA,FAC,CONTAERR,JJ,DENSITOT,RADIAL,SALIDA,BAS1,BAS2,
!$OMP+ VOL,DELTA2,RSHELL,KONTA3,NSHELL_2,KONTA1,
!$OMP+ DENSA,DENSB,DENSC,BASVEC,BASVECCM,VKK,AA,NROT,
!$OMP+ BASEIGENVAL,BASX,BASY,BASZ,XP,YP,ZP,MP,RCLUS,COUNT_1,
!$OMP+ COUNT_2,KONTA2PREV,FLAG200C,FLAG200M,FLAG500C,FLAG500M,
!$OMP+ FLAG2500C,FLAG2500M,FLAGVIR,JMINPROF,DENSR,LOGDERIV,
!$OMP+ CX,CY,CZ,JJCORE,RADII_ITER,BASVCM,IHOSTHALO,MINJ,DIR,
!$OMP+ FLAG_JACOBI,MHOST,DISTHOST,EQ_JACOBI_R,IPATCH,IRR,
!$OMP+ J_JACOBI,EACH_PROF,BASVX,BASVY,BASVZ,SIGMA_HALO,EPOT,
!$OMP+ EKIN,MOST_BOUND_IDX,ID_PROC,IPART_PROC,BAS8,INERTIA8,
!$OMP+ USELESS_INT,MAX_NUM_PART,WELL_ALLOCATED,LOWP1,LOWP2,
!$OMP+ NBINS_PRIV),
!$OMP+ SCHEDULE(DYNAMIC), DEFAULT(NONE)
*****************************
DO I=LOWH1,LOWH2
****************************
KK_ENTERO=REALCLUS(I)
IF (KK_ENTERO.NE.0) THEN
MAX_NUM_PART=MAX_NUM_PART_COM
IF (MAX_NUM_PART.LT.4000) MAX_NUM_PART=4000
IF (MAX_NUM_PART.GT.PARTI) MAX_NUM_PART=PARTI
*********************************************************************
* RECENTERING
*********************************************************************
! Find level used for recentering
IPATCH=PATCHCLUS(I)
DO IRR=1,NL
IF (SUM(NPATCH(0:IRR-1))+1.LE.IPATCH.AND.
& IPATCH.LE.SUM(NPATCH(0:IRR))) EXIT
END DO
CX=CLUSRX(I)
CY=CLUSRY(I)
CZ=CLUSRZ(I)
BAS=RSUB(I)
c WRITE(*,*) CX,CY,CZ,IRR
CALL RECENTER_DENSITY_PEAK_PARTICLES(CX,CY,CZ,BAS,N_DM,
& DX/2.0**IRR,XLDOM,NDMPART_X,MAX_NUM_PART)
BAS=(CLUSRX(I)-CX)**2+(CLUSRY(I)-CY)**2+(CLUSRZ(I)-CZ)**2
BAS=SQRT(BAS)
c WRITE(*,*) 'Recentering shift', i, bas, bas/rsub(i)
CLUSRX(I)=CX
CLUSRY(I)=CY
CLUSRZ(I)=CZ
*********************************************************************
* CHARACTERIZE HOST
*********************************************************************
IHOSTHALO=REALCLUS(I)
IF (REALCLUS(IHOSTHALO).EQ.-1) THEN
MHOST=MASA(IHOSTHALO)
ELSE
MHOST=MSUB(IHOSTHALO)
END IF
DISTHOST=SQRT((CLUSRX(IHOSTHALO)-CX)**2 +
& (CLUSRY(IHOSTHALO)-CY)**2 +
& (CLUSRZ(IHOSTHALO)-CZ)**2)
! MHOST is the mass inside DISTHOST. Let's interpolate
NBINS_PRIV=NBINS
DO JJ=1,NBINS
IF (PROFILES(JJ,1,IHOSTHALO).EQ.0.0) THEN
NBINS_PRIV=JJ-1
EXIT
END IF
END DO
DO JJ=1,NBINS_PRIV
IF (PROFILES(JJ,1,IHOSTHALO).GT.DISTHOST) EXIT
END DO
IF (JJ.EQ.1) THEN
MHOST=PROFILES(JJ,2,IHOSTHALO)*
& (DISTHOST/PROFILES(JJ,1,IHOSTHALO))**3
ELSE IF (JJ.LE.NBINS_PRIV) THEN
MHOST=PROFILES(JJ-1,2,IHOSTHALO)+
& (PROFILES(JJ,2,IHOSTHALO)-PROFILES(JJ-1,2,IHOSTHALO)) *
& (DISTHOST**3-PROFILES(JJ-1,1,IHOSTHALO)**3) /
& (PROFILES(JJ,1,IHOSTHALO)**3-PROFILES(JJ-1,1,IHOSTHALO)**3)
ELSE
MHOST=PROFILES(NBINS_PRIV,2,IHOSTHALO)
END IF
*********************************************************************
* ALLOCATING PARTICLES
*********************************************************************
WELL_ALLOCATED=0
DO WHILE (WELL_ALLOCATED.EQ.0)
IF (ALLOCATED(LIP)) DEALLOCATE(LIP)
IF (ALLOCATED(CONTADM)) DEALLOCATE(CONTADM)
IF (ALLOCATED(DISTA)) DEALLOCATE(DISTA)
ALLOCATE(LIP(MAX_NUM_PART),CONTADM(MAX_NUM_PART))
ALLOCATE (DISTA(0:MAX_NUM_PART))
WELL_ALLOCATED=1
INERTIA8=0.D0
REF_MIN=10.0e+10
REF_MAX=-1.0