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op-s-m.cc
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1997-01-24
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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 "gripes.h"
#include "ov.h"
#include "ov-scalar.h"
#include "ov-re-mat.h"
#include "ov-typeinfo.h"
#include "op-s-m.h"
#include "ops.h"
#include "xdiv.h"
#include "xpow.h"
// scalar by matrix ops.
static octave_value
add (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
return octave_value (v1.double_value () + v2.matrix_value ());
}
static octave_value
sub (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
return octave_value (v1.double_value () - v2.matrix_value ());
}
static octave_value
mul (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
return octave_value (v1.double_value () * v2.matrix_value ());
}
static octave_value
div (const octave_value&, const octave_value& v2)
{
gripe_nonconformant ("operator /", 1, 1, v2.rows (), v2.columns ());
return octave_value ();
}
static octave_value
pow (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
return xpow (v1.double_value (), v2.matrix_value ());
}
static octave_value
ldiv (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
double d = v1.double_value ();
if (d == 0.0)
gripe_divide_by_zero ();
return octave_value (v2.matrix_value () / d);
}
#define BOOL_OP(OP, EMPTY_RESULT) \
SC_MX_BOOL_OP (double, s, v1.double_value (), \
Matrix, m, v2.matrix_value (), \
s OP m (i, j), EMPTY_RESULT)
static octave_value
lt (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
BOOL_OP (<, Matrix ());
}
static octave_value
le (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
BOOL_OP (<=, Matrix ());
}
static octave_value
eq (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
BOOL_OP (==, 0.0);
}
static octave_value
ge (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
BOOL_OP (>=, Matrix ());
}
static octave_value
gt (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
BOOL_OP (>, Matrix ());
}
static octave_value
ne (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
BOOL_OP (!=, 1.0);
}
static octave_value
el_mul (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
return octave_value (v1.double_value () * v2.matrix_value ());
}
static octave_value
el_div (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
return x_el_div (v1.double_value (), v2.matrix_value ());
}
static octave_value
el_pow (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
return elem_xpow (v1.double_value (), v2.matrix_value ());
}
static octave_value
el_ldiv (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
double d = v1.double_value ();
if (d == 0.0)
gripe_divide_by_zero ();
return octave_value (v2.matrix_value () / d);
}
static octave_value
el_and (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
SC_MX_BOOL_OP (double, s, v1.double_value (),
Matrix, m, v2.matrix_value (),
s && m (i, j), Matrix ());
}
static octave_value
el_or (const octave_value& a1, const octave_value& a2)
{
CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&);
SC_MX_BOOL_OP (double, s, v1.double_value (),
Matrix, m, v2.matrix_value (),
s || m (i, j), Matrix ());
}
static octave_value *
matrix_conv (const octave_value& a)
{
CAST_CONV_ARG (const octave_scalar&);
return new octave_matrix (v.matrix_value ());
}
void
install_s_m_ops (void)
{
INSTALL_BINOP (add, octave_scalar, octave_matrix, add);
INSTALL_BINOP (sub, octave_scalar, octave_matrix, sub);
INSTALL_BINOP (mul, octave_scalar, octave_matrix, mul);
INSTALL_BINOP (div, octave_scalar, octave_matrix, div);
INSTALL_BINOP (pow, octave_scalar, octave_matrix, pow);
INSTALL_BINOP (ldiv, octave_scalar, octave_matrix, ldiv);
INSTALL_BINOP (lt, octave_scalar, octave_matrix, lt);
INSTALL_BINOP (le, octave_scalar, octave_matrix, le);
INSTALL_BINOP (eq, octave_scalar, octave_matrix, eq);
INSTALL_BINOP (ge, octave_scalar, octave_matrix, ge);
INSTALL_BINOP (gt, octave_scalar, octave_matrix, gt);
INSTALL_BINOP (ne, octave_scalar, octave_matrix, ne);
INSTALL_BINOP (el_mul, octave_scalar, octave_matrix, el_mul);
INSTALL_BINOP (el_div, octave_scalar, octave_matrix, el_div);
INSTALL_BINOP (el_pow, octave_scalar, octave_matrix, el_pow);
INSTALL_BINOP (el_ldiv, octave_scalar, octave_matrix, el_ldiv);
INSTALL_BINOP (el_and, octave_scalar, octave_matrix, el_and);
INSTALL_BINOP (el_or, octave_scalar, octave_matrix, el_or);
INSTALL_ASSIGNCONV (octave_scalar, octave_matrix, octave_matrix);
INSTALL_WIDENOP (octave_scalar, octave_matrix, matrix_conv);
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/