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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__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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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 unary ops. |
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42 |
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43 DEFUNOP_OP (not, scalar, !) |
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44 DEFUNOP_OP (uminus, scalar, -) |
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45 DEFUNOP_OP (transpose, scalar, /* no-op */) |
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46 DEFUNOP_OP (hermitian, scalar, /* no-op */) |
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47 |
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48 DEFNCUNOP_METHOD (incr, scalar, increment) |
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49 DEFNCUNOP_METHOD (decr, scalar, decrement) |
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50 |
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51 // scalar by scalar ops. |
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52 |
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53 DEFBINOP_OP (add, scalar, scalar, +) |
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54 DEFBINOP_OP (sub, scalar, scalar, -) |
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55 DEFBINOP_OP (mul, scalar, scalar, *) |
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56 |
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57 DEFBINOP (div, scalar, scalar) |
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58 { |
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59 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); |
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60 |
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61 double d = v2.double_value (); |
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62 |
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63 if (d == 0.0) |
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64 gripe_divide_by_zero (); |
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65 |
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66 return octave_value (v1.double_value () / d); |
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67 } |
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68 |
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69 DEFBINOP_FN (pow, scalar, scalar, xpow) |
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70 |
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71 DEFBINOP (ldiv, scalar, scalar) |
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72 { |
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73 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); |
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74 |
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75 double d = v1.double_value (); |
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76 |
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77 if (d == 0.0) |
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78 gripe_divide_by_zero (); |
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79 |
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80 return octave_value (v2.double_value () / d); |
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81 } |
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82 |
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83 DEFBINOP_OP (lt, scalar, scalar, <) |
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84 DEFBINOP_OP (le, scalar, scalar, <=) |
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85 DEFBINOP_OP (eq, scalar, scalar, ==) |
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86 DEFBINOP_OP (ge, scalar, scalar, >=) |
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87 DEFBINOP_OP (gt, scalar, scalar, >) |
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88 DEFBINOP_OP (ne, scalar, scalar, !=) |
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89 |
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90 DEFBINOP_OP (el_mul, scalar, scalar, *) |
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91 |
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92 DEFBINOP (el_div, scalar, scalar) |
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93 { |
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94 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); |
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95 |
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96 double d = v2.double_value (); |
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97 |
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98 if (d == 0.0) |
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99 gripe_divide_by_zero (); |
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100 |
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101 return octave_value (v1.double_value () / d); |
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102 } |
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103 |
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104 DEFBINOP_FN (el_pow, scalar, scalar, xpow) |
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105 |
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106 DEFBINOP (el_ldiv, scalar, scalar) |
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107 { |
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108 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); |
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109 |
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110 double d = v1.double_value (); |
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111 |
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112 if (d == 0.0) |
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113 gripe_divide_by_zero (); |
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114 |
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115 return octave_value (v2.double_value () / d); |
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116 } |
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117 |
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118 DEFBINOP_OP (el_and, scalar, scalar, &&) |
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119 DEFBINOP_OP (el_or, scalar, scalar, ||) |
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120 |
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121 DEFNDCATOP_FN (s_s, scalar, scalar, array, array, concat) |
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122 |
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123 void |
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124 install_s_s_ops (void) |
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125 { |
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126 INSTALL_UNOP (op_not, octave_scalar, not); |
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127 INSTALL_UNOP (op_uminus, octave_scalar, uminus); |
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128 INSTALL_UNOP (op_transpose, octave_scalar, transpose); |
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129 INSTALL_UNOP (op_hermitian, octave_scalar, hermitian); |
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130 |
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131 INSTALL_NCUNOP (op_incr, octave_scalar, incr); |
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132 INSTALL_NCUNOP (op_decr, octave_scalar, decr); |
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133 |
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134 INSTALL_BINOP (op_add, octave_scalar, octave_scalar, add); |
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135 INSTALL_BINOP (op_sub, octave_scalar, octave_scalar, sub); |
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136 INSTALL_BINOP (op_mul, octave_scalar, octave_scalar, mul); |
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137 INSTALL_BINOP (op_div, octave_scalar, octave_scalar, div); |
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138 INSTALL_BINOP (op_pow, octave_scalar, octave_scalar, pow); |
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139 INSTALL_BINOP (op_ldiv, octave_scalar, octave_scalar, ldiv); |
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140 INSTALL_BINOP (op_lt, octave_scalar, octave_scalar, lt); |
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141 INSTALL_BINOP (op_le, octave_scalar, octave_scalar, le); |
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142 INSTALL_BINOP (op_eq, octave_scalar, octave_scalar, eq); |
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143 INSTALL_BINOP (op_ge, octave_scalar, octave_scalar, ge); |
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144 INSTALL_BINOP (op_gt, octave_scalar, octave_scalar, gt); |
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145 INSTALL_BINOP (op_ne, octave_scalar, octave_scalar, ne); |
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146 INSTALL_BINOP (op_el_mul, octave_scalar, octave_scalar, el_mul); |
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147 INSTALL_BINOP (op_el_div, octave_scalar, octave_scalar, el_div); |
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148 INSTALL_BINOP (op_el_pow, octave_scalar, octave_scalar, el_pow); |
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149 INSTALL_BINOP (op_el_ldiv, octave_scalar, octave_scalar, el_ldiv); |
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150 INSTALL_BINOP (op_el_and, octave_scalar, octave_scalar, el_and); |
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151 INSTALL_BINOP (op_el_or, octave_scalar, octave_scalar, el_or); |
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152 |
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153 INSTALL_CATOP (octave_scalar, octave_scalar, s_s); |
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154 |
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155 INSTALL_ASSIGNCONV (octave_scalar, octave_scalar, octave_matrix); |
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156 } |
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157 |
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158 /* |
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159 ;;; Local Variables: *** |
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160 ;;; mode: C++ *** |
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161 ;;; End: *** |
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162 */ |
