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ABINIT/ptg_C3 [ Functions ]

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NAME

 ptg_C3

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  C3 (3)
 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_C3
 36 contains
 37 !!**
 38 
 39 
 40 
 41  subroutine ptg_C3 (nsym,nclass,sym,class_ids,class_names,Irr)
 42  use defs_basis
 43  use m_abicore
 44  use m_defs_ptgroups,  only : irrep_t
 45  implicit none
 46 !Arguments ------------------------------------
 47  integer,intent(out) :: nclass,nsym
 48  !arrays
 49  integer,allocatable,intent(out) :: sym(:,:,:), class_ids(:,:)
 50  character(len=5),allocatable,intent(out) :: class_names(:)
 51  type(irrep_t),allocatable,intent(out) :: Irr(:)
 52  !Local variables-------------------------------
 53  complex(dpc) :: j=(0.0_dp,1.0_dp)
 54  ! ********************************************************************************
 55 ! List of symmetries packed in classes
 56  nsym = 3
 57  ABI_MALLOC(sym, (3,3,nsym))
 58  sym(:,:,1) = RESHAPE( (/1, 0, 0, 0, 1, 0, 0, 0, 1/) ,(/3,3/) )
 59  sym(:,:,2) = RESHAPE( (/0, 1, 0, -1, -1, 0, 0, 0, 1/) ,(/3,3/) )
 60  sym(:,:,3) = RESHAPE( (/-1, -1, 0, 1, 0, 0, 0, 0, 1/) ,(/3,3/) )
 61 
 62 ! Number of classes and corresponding indices
 63  nclass = 3
 64  ABI_MALLOC(class_ids, (2,nclass))
 65  class_ids(1,1) = 1
 66  class_ids(2,1) = 1
 67  class_ids(1,2) = 2
 68  class_ids(2,2) = 2
 69  class_ids(1,3) = 3
 70  class_ids(2,3) = 3
 71 
 72 ABI_MALLOC(class_names,(3))
 73  class_names(1) = "1+"
 74  class_names(2) = "3+"
 75  class_names(3) = "3+"
 76 
 77 ! List of irreducible representations.
 78  ABI_MALLOC(Irr, (3))
 79  Irr(1)%name = "A"
 80  Irr(1)%dim = 1
 81  Irr(1)%nsym = 3
 82  ABI_MALLOC(Irr(1)%mat, (1,1,3))
 83  Irr(1)%mat(:,:,1) =  RESHAPE( (/1.0/), (/1, 1/) )
 84  Irr(1)%mat(:,:,2) =  RESHAPE( (/1.0/), (/1, 1/) )
 85  Irr(1)%mat(:,:,3) =  RESHAPE( (/1.0/), (/1, 1/) )
 86 
 87  Irr(2)%name = "E1"
 88  Irr(2)%dim = 1
 89  Irr(2)%nsym = 3
 90  ABI_MALLOC(Irr(2)%mat, (1,1,3))
 91  Irr(2)%mat(:,:,1) =  RESHAPE( (/1.0/), (/1, 1/) )
 92  Irr(2)%mat(:,:,2) =  RESHAPE( (/-0.5+0.86603*j/), (/1, 1/) )
 93  Irr(2)%mat(:,:,3) =  RESHAPE( (/-0.5-0.86603*j/), (/1, 1/) )
 94 
 95  Irr(3)%name = "E2"
 96  Irr(3)%dim = 1
 97  Irr(3)%nsym = 3
 98  ABI_MALLOC(Irr(3)%mat, (1,1,3))
 99  Irr(3)%mat(:,:,1) =  RESHAPE( (/1.0/), (/1, 1/) )
100  Irr(3)%mat(:,:,2) =  RESHAPE( (/-0.5-0.86603*j/), (/1, 1/) )
101  Irr(3)%mat(:,:,3) =  RESHAPE( (/-0.5+0.86603*j/), (/1, 1/) )
102 
103  RETURN
104   if (.FALSE.) write(std_out,*) j
105  end subroutine ptg_C3