op-m-s.cc

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00001 /*
00002 
00003 Copyright (C) 1996-2012 John W. Eaton
00004 
00005 This file is part of Octave.
00006 
00007 Octave is free software; you can redistribute it and/or modify it
00008 under the terms of the GNU General Public License as published by the
00009 Free Software Foundation; either version 3 of the License, or (at your
00010 option) any later version.
00011 
00012 Octave is distributed in the hope that it will be useful, but WITHOUT
00013 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00014 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00015 for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with Octave; see the file COPYING.  If not, see
00019 <http://www.gnu.org/licenses/>.
00020 
00021 */
00022 
00023 #ifdef HAVE_CONFIG_H
00024 #include <config.h>
00025 #endif
00026 
00027 #include "gripes.h"
00028 #include "oct-obj.h"
00029 #include "ov.h"
00030 #include "ov-re-mat.h"
00031 #include "ov-flt-re-mat.h"
00032 #include "ov-flt-cx-mat.h"
00033 #include "ov-scalar.h"
00034 #include "ov-typeinfo.h"
00035 #include "ops.h"
00036 #include "xdiv.h"
00037 #include "xpow.h"
00038 
00039 // matrix by scalar ops.
00040 
00041 DEFNDBINOP_OP (add, matrix, scalar, array, scalar, +)
00042 DEFNDBINOP_OP (sub, matrix, scalar, array, scalar, -)
00043 DEFNDBINOP_OP (mul, matrix, scalar, array, scalar, *)
00044 
00045 DEFBINOP (div, matrix, scalar)
00046 {
00047   CAST_BINOP_ARGS (const octave_matrix&, const octave_scalar&);
00048 
00049   double d = v2.double_value ();
00050 
00051   if (d == 0.0)
00052     gripe_divide_by_zero ();
00053 
00054   return octave_value (v1.array_value () / d);
00055 }
00056 
00057 DEFBINOP_FN (pow, matrix, scalar, xpow)
00058 
00059 DEFBINOP (ldiv, matrix, scalar)
00060 {
00061   CAST_BINOP_ARGS (const octave_matrix&, const octave_scalar&);
00062 
00063   Matrix m1 = v1.matrix_value ();
00064   Matrix m2 = v2.matrix_value ();
00065   MatrixType typ = v1.matrix_type ();
00066 
00067   Matrix ret = xleftdiv (m1, m2, typ);
00068 
00069   v1.matrix_type (typ);
00070   return ret;
00071 }
00072 
00073 DEFNDBINOP_FN (lt, matrix, scalar, array, scalar, mx_el_lt)
00074 DEFNDBINOP_FN (le, matrix, scalar, array, scalar, mx_el_le)
00075 DEFNDBINOP_FN (eq, matrix, scalar, array, scalar, mx_el_eq)
00076 DEFNDBINOP_FN (ge, matrix, scalar, array, scalar, mx_el_ge)
00077 DEFNDBINOP_FN (gt, matrix, scalar, array, scalar, mx_el_gt)
00078 DEFNDBINOP_FN (ne, matrix, scalar, array, scalar, mx_el_ne)
00079 
00080 DEFNDBINOP_OP (el_mul, matrix, scalar, array, scalar, *)
00081 
00082 DEFBINOP (el_div, matrix, scalar)
00083 {
00084   CAST_BINOP_ARGS (const octave_matrix&, const octave_scalar&);
00085 
00086   double d = v2.double_value ();
00087 
00088   if (d == 0.0)
00089     gripe_divide_by_zero ();
00090 
00091   return octave_value (v1.array_value () / d);
00092 }
00093 
00094 DEFNDBINOP_FN (el_pow, matrix, scalar, array, scalar, elem_xpow)
00095 
00096 DEFBINOP (el_ldiv, matrix, scalar)
00097 {
00098   CAST_BINOP_ARGS (const octave_matrix&, const octave_scalar&);
00099 
00100   return x_el_div (v2.double_value (), v1.array_value ());
00101 }
00102 
00103 DEFNDBINOP_FN (el_and, matrix, scalar, array, scalar, mx_el_and)
00104 DEFNDBINOP_FN (el_or, matrix, scalar, array, scalar, mx_el_or)
00105 
00106 DEFNDCATOP_FN (m_s, matrix, scalar, array, array, concat)
00107 
00108 DEFNDASSIGNOP_FN (assign, matrix, scalar, scalar, assign)
00109 DEFNDASSIGNOP_FN (sgl_assign, float_matrix, scalar, float_scalar, assign)
00110 DEFNDASSIGNOP_FN (clx_sgl_assign, float_complex_matrix, scalar, float_complex, assign)
00111 
00112 DEFNDASSIGNOP_OP (assign_add, matrix, scalar, scalar, +=)
00113 DEFNDASSIGNOP_OP (assign_sub, matrix, scalar, scalar, -=)
00114 DEFNDASSIGNOP_OP (assign_mul, matrix, scalar, scalar, *=)
00115 DEFNDASSIGNOP_OP (assign_div, matrix, scalar, scalar, /=)
00116 
00117 void
00118 install_m_s_ops (void)
00119 {
00120   INSTALL_BINOP (op_add, octave_matrix, octave_scalar, add);
00121   INSTALL_BINOP (op_sub, octave_matrix, octave_scalar, sub);
00122   INSTALL_BINOP (op_mul, octave_matrix, octave_scalar, mul);
00123   INSTALL_BINOP (op_div, octave_matrix, octave_scalar, div);
00124   INSTALL_BINOP (op_pow, octave_matrix, octave_scalar, pow);
00125   INSTALL_BINOP (op_ldiv, octave_matrix, octave_scalar, ldiv);
00126 
00127   //  INSTALL_BINOP (op_lt, octave_matrix, octave_scalar, lt);
00128 
00129   octave_value_typeinfo::register_binary_op
00130     (octave_value::op_lt, octave_matrix::static_type_id (),
00131      octave_scalar::static_type_id (), oct_binop_lt);
00132 
00133   INSTALL_BINOP (op_le, octave_matrix, octave_scalar, le);
00134   INSTALL_BINOP (op_eq, octave_matrix, octave_scalar, eq);
00135   INSTALL_BINOP (op_ge, octave_matrix, octave_scalar, ge);
00136   INSTALL_BINOP (op_gt, octave_matrix, octave_scalar, gt);
00137   INSTALL_BINOP (op_ne, octave_matrix, octave_scalar, ne);
00138   INSTALL_BINOP (op_el_mul, octave_matrix, octave_scalar, el_mul);
00139   INSTALL_BINOP (op_el_div, octave_matrix, octave_scalar, el_div);
00140   INSTALL_BINOP (op_el_pow, octave_matrix, octave_scalar, el_pow);
00141   INSTALL_BINOP (op_el_ldiv, octave_matrix, octave_scalar, el_ldiv);
00142   INSTALL_BINOP (op_el_and, octave_matrix, octave_scalar, el_and);
00143   INSTALL_BINOP (op_el_or, octave_matrix, octave_scalar, el_or);
00144 
00145   INSTALL_CATOP (octave_matrix, octave_scalar, m_s);
00146 
00147   INSTALL_ASSIGNOP (op_asn_eq, octave_matrix, octave_scalar, assign);
00148   INSTALL_ASSIGNOP (op_asn_eq, octave_float_matrix, octave_scalar, sgl_assign);
00149   INSTALL_ASSIGNOP (op_asn_eq, octave_float_complex_matrix, octave_scalar, clx_sgl_assign);
00150 
00151   INSTALL_ASSIGNOP (op_add_eq, octave_matrix, octave_scalar, assign_add);
00152   INSTALL_ASSIGNOP (op_sub_eq, octave_matrix, octave_scalar, assign_sub);
00153   INSTALL_ASSIGNOP (op_mul_eq, octave_matrix, octave_scalar, assign_mul);
00154   INSTALL_ASSIGNOP (op_div_eq, octave_matrix, octave_scalar, assign_div);
00155 }
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