logic.h

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/* Copyright (C) 2002-2008 Stefan Buehler  <sbuehler@ltu.se>

   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 2, or (at your option) any
   later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
   USA. */

#ifndef logic_h
#define logic_h

#include "arts.h"
#include "matpackVII.h"


bool is_bool( const Index& x );

bool is_multiple( const Index& x, const Index& y );

bool is_size( ConstVectorView   x,
              const Index&      l );

bool is_size( ConstMatrixView   x,
              const Index&      r,
              const Index&      c );

bool is_size( ConstTensor3View  x,
              const Index&      p,
              const Index&      r,
              const Index&      c );

bool is_size( ConstTensor4View  x,
              const Index&      b,
              const Index&      p,
              const Index&      r,
              const Index&      c );

bool is_size( ConstTensor5View  x,
              const Index&      s,
              const Index&      b,
              const Index&      p,
              const Index&      r,
              const Index&      c );

bool is_size( ConstTensor6View  x,
              const Index&      v,
              const Index&      s,
              const Index&      b,
              const Index&      p,
              const Index&      r,
              const Index&      c );

bool is_size( ConstTensor7View  x,
              const Index&      l,
              const Index&      v,
              const Index&      s,
              const Index&      b,
              const Index&      p,
              const Index&      r,
              const Index&      c );

bool is_sorted( ConstVectorView   x );

bool is_increasing( ConstVectorView   x );

bool is_increasing( const ArrayOfIndex&   x );

bool is_decreasing( ConstVectorView   x );

bool is_unique( const ArrayOfIndex&   x );

bool is_singular( ConstMatrixView A );

bool is_diagonal( ConstMatrixView A );

bool is_same_within_epsilon( const Numeric& a,
                             const Numeric& b,
                             const Numeric& epsilon );

//   Template functions (have to be here in the .h file).


template< class T >
bool is_size( const Array<T>& x,
              const Index&    n ) 
{
  return( n == x.nelem() );
}

#endif // logic_h

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