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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "gripes.h" |
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32 #include "oct-obj.h" |
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33 #include "ov.h" |
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34 #include "ov-scalar.h" |
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35 #include "ov-re-mat.h" |
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36 #include "ov-typeinfo.h" |
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37 #include "ops.h" |
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38 #include "xdiv.h" |
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39 #include "xpow.h" |
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40 |
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41 // scalar by matrix ops. |
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42 |
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43 DEFBINOP_OP (add, scalar, matrix, +) |
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44 DEFBINOP_OP (sub, scalar, matrix, -) |
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45 DEFBINOP_OP (mul, scalar, matrix, *) |
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46 |
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47 DEFBINOP (div, scalar, matrix) |
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48 { |
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49 CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&); |
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50 |
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51 Matrix m1 = v1.matrix_value (); |
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52 Matrix m2 = v2.matrix_value (); |
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53 |
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54 return octave_value (xdiv (m1, m2)); |
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55 } |
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56 |
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57 DEFBINOP_FN (pow, scalar, matrix, xpow) |
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58 |
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59 DEFBINOP (ldiv, scalar, matrix) |
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60 { |
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61 CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&); |
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62 |
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63 double d = v1.double_value (); |
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64 |
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65 if (d == 0.0) |
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66 gripe_divide_by_zero (); |
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67 |
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68 return octave_value (v2.matrix_value () / d); |
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69 } |
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70 |
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71 DEFBINOP_FN (lt, scalar, matrix, mx_el_lt) |
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72 DEFBINOP_FN (le, scalar, matrix, mx_el_le) |
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73 DEFBINOP_FN (eq, scalar, matrix, mx_el_eq) |
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74 DEFBINOP_FN (ge, scalar, matrix, mx_el_ge) |
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75 DEFBINOP_FN (gt, scalar, matrix, mx_el_gt) |
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76 DEFBINOP_FN (ne, scalar, matrix, mx_el_ne) |
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77 |
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78 DEFBINOP_OP (el_mul, scalar, matrix, *) |
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79 DEFBINOP_FN (el_div, scalar, matrix, x_el_div) |
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80 DEFBINOP_FN (el_pow, scalar, matrix, elem_xpow) |
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81 |
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82 DEFBINOP (el_ldiv, scalar, matrix) |
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83 { |
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84 CAST_BINOP_ARGS (const octave_scalar&, const octave_matrix&); |
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85 |
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86 double d = v1.double_value (); |
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87 |
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88 if (d == 0.0) |
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89 gripe_divide_by_zero (); |
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90 |
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91 return octave_value (v2.matrix_value () / d); |
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92 } |
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93 |
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94 DEFBINOP_FN (el_and, scalar, matrix, mx_el_and) |
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95 DEFBINOP_FN (el_or, scalar, matrix, mx_el_or) |
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96 |
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97 DEFCONV (matrix_conv, scalar, matrix) |
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98 { |
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99 CAST_CONV_ARG (const octave_scalar&); |
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100 |
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101 return new octave_matrix (v.matrix_value ()); |
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102 } |
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103 |
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104 void |
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105 install_s_m_ops (void) |
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106 { |
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107 INSTALL_BINOP (op_add, octave_scalar, octave_matrix, add); |
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108 INSTALL_BINOP (op_sub, octave_scalar, octave_matrix, sub); |
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109 INSTALL_BINOP (op_mul, octave_scalar, octave_matrix, mul); |
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110 INSTALL_BINOP (op_div, octave_scalar, octave_matrix, div); |
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111 INSTALL_BINOP (op_pow, octave_scalar, octave_matrix, pow); |
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112 INSTALL_BINOP (op_ldiv, octave_scalar, octave_matrix, ldiv); |
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113 INSTALL_BINOP (op_lt, octave_scalar, octave_matrix, lt); |
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114 INSTALL_BINOP (op_le, octave_scalar, octave_matrix, le); |
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115 INSTALL_BINOP (op_eq, octave_scalar, octave_matrix, eq); |
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116 INSTALL_BINOP (op_ge, octave_scalar, octave_matrix, ge); |
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117 INSTALL_BINOP (op_gt, octave_scalar, octave_matrix, gt); |
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118 INSTALL_BINOP (op_ne, octave_scalar, octave_matrix, ne); |
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119 INSTALL_BINOP (op_el_mul, octave_scalar, octave_matrix, el_mul); |
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120 INSTALL_BINOP (op_el_div, octave_scalar, octave_matrix, el_div); |
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121 INSTALL_BINOP (op_el_pow, octave_scalar, octave_matrix, el_pow); |
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122 INSTALL_BINOP (op_el_ldiv, octave_scalar, octave_matrix, el_ldiv); |
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123 INSTALL_BINOP (op_el_and, octave_scalar, octave_matrix, el_and); |
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124 INSTALL_BINOP (op_el_or, octave_scalar, octave_matrix, el_or); |
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125 |
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126 INSTALL_ASSIGNCONV (octave_scalar, octave_matrix, octave_matrix); |
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127 |
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128 INSTALL_WIDENOP (octave_scalar, octave_matrix, matrix_conv); |
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129 } |
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130 |
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131 /* |
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132 ;;; Local Variables: *** |
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133 ;;; mode: C++ *** |
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134 ;;; End: *** |
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135 */ |
