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clipper
core
symop.h
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//C Copyright (C) 2000-2006 Kevin Cowtan and University of York
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//L
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//L This library is free software and is distributed under the terms
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//L and conditions of version 2.1 of the GNU Lesser General Public
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//L Licence (LGPL) with the following additional clause:
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//L
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//L `You may also combine or link a "work that uses the Library" to
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//L produce a work containing portions of the Library, and distribute
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//L that work under terms of your choice, provided that you give
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//L prominent notice with each copy of the work that the specified
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//L version of the Library is used in it, and that you include or
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//L provide public access to the complete corresponding
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//L machine-readable source code for the Library including whatever
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//L changes were used in the work. (i.e. If you make changes to the
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//L Library you must distribute those, but you do not need to
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//L distribute source or object code to those portions of the work
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//L not covered by this licence.)'
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//L
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//L Note that this clause grants an additional right and does not impose
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//L any additional restriction, and so does not affect compatibility
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//L with the GNU General Public Licence (GPL). If you wish to negotiate
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//L other terms, please contact the maintainer.
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//L
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//L You can redistribute it and/or modify the library under the terms of
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//L the GNU Lesser General Public License as published by the Free Software
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//L Foundation; either version 2.1 of the License, or (at your option) any
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//L later version.
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//L
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//L This library is distributed in the hope that it will be useful, but
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//L WITHOUT ANY WARRANTY; without even the implied warranty of
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//L MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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//L Lesser General Public License for more details.
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//L
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//L You should have received a copy of the CCP4 licence and/or GNU
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//L Lesser General Public License along with this library; if not, write
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//L to the CCP4 Secretary, Daresbury Laboratory, Warrington WA4 4AD, UK.
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//L The GNU Lesser General Public can also be obtained by writing to the
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//L Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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//L MA 02111-1307 USA
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#ifndef CLIPPER_SYMOP
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#define CLIPPER_SYMOP
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#include "clipper_types.h"
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namespace
clipper
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{
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// forward definitions
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class
Cell;
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class
Grid;
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class
RTop_orth;
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class
RTop_frac
:
public
RTop
<>
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{
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public
:
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inline
RTop_frac
() {}
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inline
explicit
RTop_frac
(
const
RTop<>
& o ) :
RTop
<>( o ) {}
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inline
explicit
RTop_frac
(
const
Mat33<>
& r ) :
RTop
<>( r ) {}
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explicit
RTop_frac
(
const
String
& strop );
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inline
RTop_frac
(
const
Mat33<>
& r,
const
Vec3<>
& t ) :
RTop
<>( r, t ) {}
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RTop_orth
rtop_orth
(
const
Cell
& cell )
const
;
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RTop_frac
inverse
()
const
;
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static
RTop_frac
identity
();
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static
RTop_frac
null
();
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};
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class
Symop
:
public
RTop_frac
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{
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public
:
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inline
Symop
() {}
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explicit
Symop
(
const
RTop<>
& rt );
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explicit
Symop
(
const
ftype
mat[4][4] );
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String
format
()
const
;
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};
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class
Isymop
:
public
RTop
<int>
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{
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public
:
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inline
Isymop
() {}
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inline
explicit
Isymop
(
const
RTop<int>
& rt ) :
RTop
<int>(rt) {}
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Isymop
(
const
Symop
& symop,
const
Grid
& grid );
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};
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class
Symop_code
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{
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public
:
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inline
Symop_code
() {}
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inline
explicit
Symop_code
(
const
int
& code ) : code_(code) {}
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explicit
Symop_code
(
const
Symop
& op );
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explicit
Symop_code
(
const
Isymop
& op );
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void
init
(
const
Isymop
& op );
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Symop_code
code_rot
()
const
;
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Symop_code
code_trn
()
const
;
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Symop
symop
()
const
;
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Isymop
isymop
()
const
;
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static
Symop_code
identity
() {
return
Symop_code
(0); }
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inline
operator
int()
const
{
return
code_; }
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private
:
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int
code_;
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};
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}
// namespace clipper
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#endif
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