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/*
Copyright (C) 1996 John W. Eaton
This file is part of Octave.
Octave 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.
Octave 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 Octave; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if defined (__GNUG__)
#pragma implementation
#endif
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "MArray2.h"
#include "lo-error.h"
#include "MArray-defs.h"
// Two dimensional array with math ops.
// Element by element MArray2 by scalar ops.
template <class T>
MArray2<T>&
operator += (MArray2<T>& a, const T& s)
{
DO_VS_OP2 (+=)
return a;
}
template <class T>
MArray2<T>&
operator -= (MArray2<T>& a, const T& s)
{
DO_VS_OP2 (-=)
return a;
}
// Element by element MArray2 by MArray2 ops.
template <class T>
MArray2<T>&
operator += (MArray2<T>& a, const MArray2<T>& b)
{
int r = a.rows ();
int c = a.cols ();
int br = b.rows ();
int bc = b.cols ();
if (r != br || c != bc)
gripe_nonconformant ("operator +=", r, c, br, bc);
else
{
if (r > 0 && c > 0)
{
int l = a.length ();
DO_VV_OP2 (+=);
}
}
return a;
}
template <class T>
MArray2<T>&
operator -= (MArray2<T>& a, const MArray2<T>& b)
{
int r = a.rows ();
int c = a.cols ();
int br = b.rows ();
int bc = b.cols ();
if (r != br || c != bc)
gripe_nonconformant ("operator -=", r, c, br, bc);
else
{
if (r > 0 && c > 0)
{
int l = a.length ();
DO_VV_OP2 (-=);
}
}
return a;
}
// Element by element MArray2 by scalar ops.
#define MARRAY_A2S_OP(OP) \
template <class T> \
MArray2<T> \
operator OP (const MArray2<T>& a, const T& s) \
{ \
DO_VS_OP (OP); \
return MArray2<T> (result, a.rows (), a.cols ()); \
}
MARRAY_A2S_OP (+)
MARRAY_A2S_OP (-)
MARRAY_A2S_OP (*)
MARRAY_A2S_OP (/)
// Element by element scalar by MArray2 ops.
#define MARRAY_SA2_OP(OP) \
template <class T> \
MArray2<T> \
operator OP (const T& s, const MArray2<T>& a) \
{ \
DO_SV_OP (OP); \
return MArray2<T> (result, a.rows (), a.cols ()); \
}
MARRAY_SA2_OP (+)
MARRAY_SA2_OP (-)
MARRAY_SA2_OP (*)
MARRAY_SA2_OP (/)
// Element by element MArray2 by MArray2 ops.
#define MARRAY_A2A2_OP(FCN, OP) \
template <class T> \
MArray2<T> \
FCN (const MArray2<T>& a, const MArray2<T>& b) \
{ \
int r = a.rows (); \
int c = a.cols (); \
int br = b.rows (); \
int bc = b.cols (); \
if (r != br || c != bc) \
{ \
gripe_nonconformant (#FCN, r, c, br, bc); \
return MArray2<T> (); \
} \
if (r == 0 || c == 0) \
return MArray2<T> (); \
int l = a.length (); \
DO_VV_OP (OP); \
return MArray2<T> (result, r, c); \
}
MARRAY_A2A2_OP (operator +, +)
MARRAY_A2A2_OP (operator -, -)
MARRAY_A2A2_OP (product, *)
MARRAY_A2A2_OP (quotient, /)
// Unary MArray2 ops.
template <class T>
MArray2<T>
operator - (const MArray2<T>& a)
{
NEG_V;
return MArray2<T> (result, a.rows (), a.cols ());
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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