collier_coefs::db00_cll Interface Reference

Public Member Functions
subroutine	db00_main_cll (DB00, DB00uv, p10, m02, m12)
subroutine	db00_arrays_cll (DB00, DB00uv, MomInv, masses2)

Detailed Description

Definition at line 116 of file collier_coefs.F90.

Member Function/Subroutine Documentation

db00_arrays_cll()

subroutine collier_coefs::db00_cll::db00_arrays_cll	(	double complex, intent(out)	DB00,
		double complex, intent(out)	DB00uv,
		double complex, dimension(1), intent(in)	MomInv,
		double complex, dimension(0:1), intent(in)	masses2
	)

Definition at line 5594 of file collier_coefs.F90.

  
    double complex, intent(in) :: MomInv(1), masses2(0:1)
    double complex, intent(out) :: DB00uv,DB00
    
    call db00_main_cll(db00,db00uv,mominv(1),masses2(0),masses2(1))
 

db00_main_cll()

subroutine collier_coefs::db00_cll::db00_main_cll	(	double complex, intent(out)	DB00,
		double complex, intent(out)	DB00uv,
		double complex, intent(in)	p10,
		double complex, intent(in)	m02,
		double complex, intent(in)	m12
	)

Definition at line 5503 of file collier_coefs.F90.

  
    double complex, intent(in) :: p10,m02,m12
    double precision :: q10
    double complex :: mm02,mm12
    double complex, intent(out) :: DB00, DB00uv
    double complex :: DB00dd, DB00dduv
    double complex :: DB00_coli
    double complex :: args(3)
    double complex :: DBdduv(0:2,0:2)
    double complex :: DBdd(0:2,0:2)
    integer :: errflag
 
    ! set ID of master call
    args(1) = p10
    args(2) = m02
    args(3) = m12
    call setmasterfname_cll('DB00_cll')
    call setmastern_cll(2)
    call setmasterr_cll(2)
    call setmasterargs_cll(3,args)
 
 
    select case (mode_cll)
 
      case (1)
        ! calculate loop integral using
        ! COLI implementation by AD/LH
 
        db00uv = -1d0/12d0
        db00 = db00_coli(p10,m02,m12)
 
 
      case (2)
        ! calculate loop integral using
        ! DD implementation by SD
 
        ! replace small masses by DD-identifiers    
        q10 = dreal(getminf2dd_cll(p10))
        mm02 = getminf2dd_cll(m02)
        mm12 = getminf2dd_cll(m12)
 
        use_cache_system=.false.
        call db_dd(dbdd,dbdduv,q10,mm02,mm12,2)
        use_cache_system=use_cache_system_save
        db00uv = dbdduv(1,0)
        db00   = dbdd(1,0)
 
      case (3)
        ! cross-check mode
        ! compare results for loop integral
        ! from COLI implementation by AD/LH and
        ! from DD implementation by SD
 
        db00uv = -1d0/12d0
 
        ! calculate loop integral using COLI
        db00 = db00_coli(p10,m02,m12)
 
 
        ! replace small masses by DD-identifiers    
        q10 = dreal(getminf2dd_cll(p10))
        mm02 = getminf2dd_cll(m02)
        mm12 = getminf2dd_cll(m12)
 
        use_cache_system=.false.
        call db_dd(dbdd,dbdduv,q10,mm02,mm12,2)
        use_cache_system=use_cache_system_save
        db00dduv = dbdduv(1,0)
        db00dd   = dbdd(1,0)
 
        ! cross-check
        call checkcoefsdbr_cll(db00,db00dd,p10,m02,m12,2)
 
 
    end select
 
    call propagateerrflag_cll
 
 

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The documentation for this interface was generated from the following file:

• MELA/COLLIER/colliertmp/COLLIER-1.2/src/collier_coefs.F90