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cafagna |
3.1 |
SUBROUTINE GPRBI |
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************************************************************************* |
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* |
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* Subroutine gprbi.f (DERIVED FROM read_B_inner routine from |
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* tracker software analysis) |
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* CALLED BY gpdat.F |
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* |
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* |
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* it reads from rz files the two magnetic field maps taken inside the |
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* spectrometer cavity and fills the variables in common_B_inner.f |
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* |
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* needs: |
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* - .rz map files in containing coordinates of measured points, Bx, By |
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* and Bz components + errors |
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* |
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* output variables: (see ....) |
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* - px#(nx,3) with #=1,2 for the 2 maps |
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* - py#(ny,3) |
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* - pz#(nz,3) |
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* - b#(nx,ny,nz,3) |
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* |
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************************************************************************* |
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IMPLICIT DOUBLE PRECISION (A-H,O-Z) |
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#include "gpfield.inc" |
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c------------------------------------------------------------------------ |
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c |
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c local variables |
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c |
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c------------------------------------------------------------------------ |
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parameter (ntpl_Bmap=20) !ntuple identifier |
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REAL PFX(3),FFX,DFX, !Bx field component coordinates in m, value and error in T |
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$ PFY(3),FFY,DFY |
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$ ,PFZ(3),FFZ,DFZ |
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INTEGER INDEX(3) !point index |
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COMMON /PAWCR4/ INDEX,PFX,FFX,DFX,PFY,FFY,DFY,PFZ,FFZ,DFZ |
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c------------------------------------------------------------------------ |
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c |
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c *** FIRST MAP *** |
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c |
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c------------------------------------------------------------------------ |
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c------------------------------------------------------------------------ |
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c |
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c initialization and map file opening |
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c |
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c------------------------------------------------------------------------ |
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CALL HCDIR('//FIELD1',' ') |
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call HRIN(ntpl_Bmap,9999,0) !puts B map ntuple in memory |
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call HPRNTU(ntpl_Bmap) |
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call HBNAME(ntpl_Bmap,' ',0,'$CLEAR') |
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call HBNAME(ntpl_Bmap,'INDEX',index,'$SET') |
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call HBNAME(ntpl_Bmap,'BX',pfx,'$SET') |
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call HBNAME(ntpl_Bmap,'BY',pfy,'$SET') |
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call HBNAME(ntpl_Bmap,'BZ',pfz,'$SET') |
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c------------------------------------------------------------------------ |
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c |
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c reads events and fills variables |
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c |
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c------------------------------------------------------------------------ |
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call HNOENT(ntpl_Bmap,iemax) !number of events |
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c initializes measurement grid edges |
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do ic=1,3 |
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px1max(ic)=0. |
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px1min(ic)=0. |
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py1max(ic)=0. |
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py1min(ic)=0. |
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pz1max(ic)=0. |
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pz1min(ic)=0. |
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enddo |
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do iev=1,iemax !event loop |
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call HGNT(ntpl_Bmap,iev,ierr) !reads event |
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if(ierr.ne.0) goto 22 |
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c the output consists of matrices for coordinates, B components values |
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c and errors: |
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c e.g. px1(4,2) = X coordinate of the point with index = 4 along X, |
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c in which By (=2) component has been measured |
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c e.g. b1(3,23,4,1) = Bx (=1) component value, measured in the point with |
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c indexes = 3,23,4 along X, Y and Z |
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c Bx component |
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px1(index(1),1) = DBLE(pfx(1)) |
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if(px1(index(1),1).lt.px1min(1)) px1min(1)=px1(index(1),1) |
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if(px1(index(1),1).gt.px1max(1)) px1max(1)=px1(index(1),1) |
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py1(index(2),1) = DBLE(pfx(2)) |
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if(py1(index(2),1).lt.py1min(1)) py1min(1)=py1(index(2),1) |
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if(py1(index(2),1).gt.py1max(1)) py1max(1)=py1(index(2),1) |
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pz1(index(3),1) = DBLE(pfx(3)) |
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if(pz1(index(3),1).lt.pz1min(1)) pz1min(1)=pz1(index(3),1) |
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if(pz1(index(3),1).gt.pz1max(1)) pz1max(1)=pz1(index(3),1) |
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b1(index(1),index(2),index(3),1) = DBLE(ffx) |
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c By component |
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px1(index(1),2) = DBLE(pfy(1)) |
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if(px1(index(1),2).lt.px1min(2)) px1min(2)=px1(index(1),2) |
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if(px1(index(1),2).gt.px1max(2)) px1max(2)=px1(index(1),2) |
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py1(index(2),2) = DBLE(pfy(2)) |
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if(py1(index(2),2).lt.py1min(2)) py1min(2)=py1(index(2),2) |
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if(py1(index(2),2).gt.py1max(2)) py1max(2)=py1(index(2),2) |
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pz1(index(3),2) = DBLE(pfy(3)) |
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if(pz1(index(3),2).lt.pz1min(2)) pz1min(2)=pz1(index(3),2) |
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if(pz1(index(3),2).gt.pz1max(2)) pz1max(2)=pz1(index(3),2) |
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b1(index(1),index(2),index(3),2) = DBLE(ffy) |
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c Bz component |
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px1(index(1),3) = DBLE(pfz(1)) |
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if(px1(index(1),3).lt.px1min(3)) px1min(3)=px1(index(1),3) |
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if(px1(index(1),3).gt.px1max(3)) px1max(3)=px1(index(1),3) |
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py1(index(2),3) = DBLE(pfz(2)) |
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if(py1(index(2),3).lt.py1min(3)) py1min(3)=py1(index(2),3) |
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if(py1(index(2),3).gt.py1max(3)) py1max(3)=py1(index(2),3) |
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pz1(index(3),3) = DBLE(pfz(3)) |
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if(pz1(index(3),3).lt.pz1min(3)) pz1min(3)=pz1(index(3),3) |
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if(pz1(index(3),3).gt.pz1max(3)) pz1max(3)=pz1(index(3),3) |
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b1(index(1),index(2),index(3),3) = DBLE(ffz) |
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enddo |
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c------------------------------------------------------------------------ |
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c |
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c closes files |
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c |
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c------------------------------------------------------------------------ |
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call HREND('FIELD1') |
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c------------------------------------------------------------------------ |
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c |
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c *** SECOND MAP *** |
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c |
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c------------------------------------------------------------------------ |
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CALL HCDIR('//FIELD2',' ') |
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call HRIN(ntpl_Bmap,9999,0) !puts B map ntuple in memory |
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call HPRNTU(ntpl_Bmap) |
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call HBNAME(ntpl_Bmap,' ',0,'$CLEAR') |
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call HBNAME(ntpl_Bmap,'INDEX',index,'$SET') |
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call HBNAME(ntpl_Bmap,'BX',pfx,'$SET') |
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call HBNAME(ntpl_Bmap,'BY',pfy,'$SET') |
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call HBNAME(ntpl_Bmap,'BZ',pfz,'$SET') |
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c------------------------------------------------------------------------ |
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c |
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c reads events and fills variables |
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c |
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c------------------------------------------------------------------------ |
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call HNOENT(ntpl_Bmap,iemax) !number of events |
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do ic=1,3 !grid edges |
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px2max(ic)=0. |
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px2min(ic)=0. |
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py2max(ic)=0. |
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py2min(ic)=0. |
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pz2max(ic)=0. |
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pz2min(ic)=0. |
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enddo |
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do iev=1,iemax !event loop |
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call HGNT(ntpl_Bmap,iev,ierr) !reads event |
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if(ierr.ne.0) goto 22 |
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c the output consists of matrices for coordinates, B components values |
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c and errors: |
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c e.g. px(4,2) = X coordinate of the point with index = 4 along X, |
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c in which By (=2) component has been measured |
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c e.g. b(3,23,4,1) = Bx (=1) component value, measured in the point with |
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c indexes = 3,23,4 along X, Y and Z |
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c Bx component |
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px2(index(1),1) = DBLE(pfx(1)) |
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if(px2(index(1),1).lt.px2min(1)) px2min(1)=px2(index(1),1) |
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if(px2(index(1),1).gt.px2max(1)) px2max(1)=px2(index(1),1) |
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py2(index(2),1) = DBLE(pfx(2)) |
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if(py2(index(2),1).lt.py2min(1)) py2min(1)=py2(index(2),1) |
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if(py2(index(2),1).gt.py2max(1)) py2max(1)=py2(index(2),1) |
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pz2(index(3),1) = DBLE(pfx(3)) |
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if(pz2(index(3),1).lt.pz2min(1)) pz2min(1)=pz2(index(3),1) |
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if(pz2(index(3),1).gt.pz2max(1)) pz2max(1)=pz2(index(3),1) |
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b2(index(1),index(2),index(3),1) = DBLE(ffx) |
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c By component |
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px2(index(1),2) = DBLE(pfy(1)) |
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if(px2(index(1),2).lt.px2min(2)) px2min(2)=px2(index(1),2) |
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if(px2(index(1),2).gt.px2max(2)) px2max(2)=px2(index(1),2) |
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py2(index(2),2) = DBLE(pfy(2)) |
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if(py2(index(2),2).lt.py2min(2)) py2min(2)=py2(index(2),2) |
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if(py2(index(2),2).gt.py2max(2)) py2max(2)=py2(index(2),2) |
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pz2(index(3),2) = DBLE(pfy(3)) |
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if(pz2(index(3),2).lt.pz2min(2)) pz2min(2)=pz2(index(3),2) |
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if(pz2(index(3),2).gt.pz2max(2)) pz2max(2)=pz2(index(3),2) |
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b2(index(1),index(2),index(3),2) = DBLE(ffy) |
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c Bz component |
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px2(index(1),3) = DBLE(pfz(1)) |
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if(px2(index(1),3).lt.px2min(3)) px2min(3)=px2(index(1),3) |
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if(px2(index(1),3).gt.px2max(3)) px2max(3)=px2(index(1),3) |
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py2(index(2),3) = DBLE(pfz(2)) |
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if(py2(index(2),3).lt.py2min(3)) py2min(3)=py2(index(2),3) |
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if(py2(index(2),3).gt.py2max(3)) py2max(3)=py2(index(2),3) |
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pz2(index(3),3) = DBLE(pfz(3)) |
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if(pz2(index(3),3).lt.pz2min(3)) pz2min(3)=pz2(index(3),3) |
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if(pz2(index(3),3).gt.pz2max(3)) pz2max(3)=pz2(index(3),3) |
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b2(index(1),index(2),index(3),3) = DBLE(ffz) |
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enddo |
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c------------------------------------------------------------------------ |
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c |
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c closes files |
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c |
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c------------------------------------------------------------------------ |
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call HREND('FIELD2') |
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c------------------------------------------------------------------------ |
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c |
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c no error exit |
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c |
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c------------------------------------------------------------------------ |
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print*,' ' |
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print*,'MAGNETIC FIELD SUCCESSFULLY READ' |
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print*,' ' |
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print*,' ' |
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goto 9000 !happy ending |
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c------------------------------------------------------------------------ |
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c |
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c magnetic field map file opening error |
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c |
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c------------------------------------------------------------------------ |
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c------------------------------------------------------------------------ |
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c |
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c ntuple event reading error |
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c |
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c------------------------------------------------------------------------ |
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22 continue |
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print*,' ' |
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print*,'read_B_inner: ERROR WHILE READING NTUPLE, AT EVENT |
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$ : ',iev |
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print*,' ' |
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print*,' ' |
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goto 9000 !the end |
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c------------------------------------------------------------------------ |
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c |
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c exit |
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c |
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c------------------------------------------------------------------------ |
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9000 continue |
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return |
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end |
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