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ABINIT/ptg_D2 [ Functions ]

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NAME

 ptg_D2

FUNCTION

COPYRIGHT

 Copyright (C) 2010-2024 ABINIT group (MG)
 This file is distributed under the terms of the
 GNU General Public License, see ~abinit/COPYING
 or http://www.gnu.org/copyleft/gpl.txt .
 For the initials of contributors, see ~abinit/doc/developers/contributors.txt .

INPUTS

OUTPUT

SOURCE

 21 !********************************************************************************
 22 ! This include file has been automatically generated by the script ptg.py
 23 ! Do not edit! Change the script source instead.
 24 !********************************************************************************
 25 
 26 ! Point group name  D2  (222)
 27 
 28 #if defined HAVE_CONFIG_H
 29 #include "config.h"
 30 #endif
 31 
 32 #include "abi_common.h"
 33 
 34 
 35 module m_ptg_D2
 36 contains
 37 !!**
 38 
 39 
 40 
 41 
 42  subroutine ptg_D2 (nsym,nclass,sym,class_ids,class_names,Irr)
 43  use defs_basis
 44  use m_abicore
 45  use m_defs_ptgroups,  only : irrep_t
 46  implicit none
 47 !Arguments ------------------------------------
 48  integer,intent(out) :: nclass,nsym
 49  !arrays
 50  integer,allocatable,intent(out) :: sym(:,:,:), class_ids(:,:)
 51  character(len=5),allocatable,intent(out) :: class_names(:)
 52  type(irrep_t),allocatable,intent(out) :: Irr(:)
 53  !Local variables-------------------------------
 54  complex(dpc) :: j=(0.0_dp,1.0_dp)
 55  ! ********************************************************************************
 56 ! List of symmetries packed in classes
 57  nsym = 4
 58  ABI_MALLOC(sym, (3,3,nsym))
 59  sym(:,:,1) = RESHAPE( (/1, 0, 0, 0, 1, 0, 0, 0, 1/) ,(/3,3/) )
 60  sym(:,:,2) = RESHAPE( (/-1, 0, 0, 0, -1, 0, 0, 0, 1/) ,(/3,3/) )
 61  sym(:,:,3) = RESHAPE( (/-1, 0, 0, 0, 1, 0, 0, 0, -1/) ,(/3,3/) )
 62  sym(:,:,4) = RESHAPE( (/1, 0, 0, 0, -1, 0, 0, 0, -1/) ,(/3,3/) )
 63 
 64 ! Number of classes and corresponding indices
 65  nclass = 4
 66  ABI_MALLOC(class_ids, (2,nclass))
 67  class_ids(1,1) = 1
 68  class_ids(2,1) = 1
 69  class_ids(1,2) = 2
 70  class_ids(2,2) = 2
 71  class_ids(1,3) = 3
 72  class_ids(2,3) = 3
 73  class_ids(1,4) = 4
 74  class_ids(2,4) = 4
 75 
 76 ABI_MALLOC(class_names,(4))
 77  class_names(1) = "1+"
 78  class_names(2) = "2+"
 79  class_names(3) = "2+"
 80  class_names(4) = "2+"
 81 
 82 ! List of irreducible representations.
 83  ABI_MALLOC(Irr, (4))
 84  Irr(1)%name = "A"
 85  Irr(1)%dim = 1
 86  Irr(1)%nsym = 4
 87  ABI_MALLOC(Irr(1)%mat, (1,1,4))
 88  Irr(1)%mat(:,:,1) =  RESHAPE( (/1.0/), (/1, 1/) )
 89  Irr(1)%mat(:,:,2) =  RESHAPE( (/1.0/), (/1, 1/) )
 90  Irr(1)%mat(:,:,3) =  RESHAPE( (/1.0/), (/1, 1/) )
 91  Irr(1)%mat(:,:,4) =  RESHAPE( (/1.0/), (/1, 1/) )
 92 
 93  Irr(2)%name = "B1"
 94  Irr(2)%dim = 1
 95  Irr(2)%nsym = 4
 96  ABI_MALLOC(Irr(2)%mat, (1,1,4))
 97  Irr(2)%mat(:,:,1) =  RESHAPE( (/1.0/), (/1, 1/) )
 98  Irr(2)%mat(:,:,2) =  RESHAPE( (/1.0/), (/1, 1/) )
 99  Irr(2)%mat(:,:,3) =  RESHAPE( (/-1.0/), (/1, 1/) )
100  Irr(2)%mat(:,:,4) =  RESHAPE( (/-1.0/), (/1, 1/) )
101 
102  Irr(3)%name = "B2"
103  Irr(3)%dim = 1
104  Irr(3)%nsym = 4
105  ABI_MALLOC(Irr(3)%mat, (1,1,4))
106  Irr(3)%mat(:,:,1) =  RESHAPE( (/1.0/), (/1, 1/) )
107  Irr(3)%mat(:,:,2) =  RESHAPE( (/-1.0/), (/1, 1/) )
108  Irr(3)%mat(:,:,3) =  RESHAPE( (/1.0/), (/1, 1/) )
109  Irr(3)%mat(:,:,4) =  RESHAPE( (/-1.0/), (/1, 1/) )
110 
111  Irr(4)%name = "B3"
112  Irr(4)%dim = 1
113  Irr(4)%nsym = 4
114  ABI_MALLOC(Irr(4)%mat, (1,1,4))
115  Irr(4)%mat(:,:,1) =  RESHAPE( (/1.0/), (/1, 1/) )
116  Irr(4)%mat(:,:,2) =  RESHAPE( (/-1.0/), (/1, 1/) )
117  Irr(4)%mat(:,:,3) =  RESHAPE( (/-1.0/), (/1, 1/) )
118  Irr(4)%mat(:,:,4) =  RESHAPE( (/1.0/), (/1, 1/) )
119 
120  RETURN
121   if (.FALSE.) write(std_out,*) j
122  end subroutine ptg_D2