1 | /****************************************************************** |
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2 | * |
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3 | * File: MP_GP.h |
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4 | * Purpose: Implementation for MP realization of GP classes |
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5 | * Author: Olaf Bachmann (obachman@mathematik.uni-kl.de) |
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6 | * Created: 11/98 |
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7 | * |
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8 | ******************************************************************/ |
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9 | |
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10 | #include "MPT_GP.h" |
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11 | ///////////////////////////////////////////////////////////////////// |
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12 | /// |
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13 | /// Iterator: |
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14 | // BUG: Iterator does not work for array of Real64, or Uint8 |
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15 | /// |
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16 | ///////////////////////////////////////////////////////////////////// |
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17 | MPT_GP_Iterator_t::MPT_GP_Iterator_t(MPT_Node_pt tnode) |
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18 | { |
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19 | MPT_Assume(tnode != NULL && |
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20 | (tnode->type == MP_CommonOperatorType || |
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21 | tnode->type == MP_CommonMetaOperatorType)); |
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22 | |
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23 | if (tnode->type == MP_CommonMetaOperatorType && |
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24 | tnode->numchild == 0) |
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25 | { |
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26 | _n = -1; |
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27 | _dynamic = true; |
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28 | } |
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29 | else |
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30 | { |
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31 | _n = tnode->numchild; |
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32 | _dynamic = false; |
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33 | } |
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34 | |
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35 | _i = _n+1; |
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36 | _args = NULL; |
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37 | } |
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38 | |
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39 | MPT_GP_Iterator_t::MPT_GP_Iterator_t() |
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40 | { |
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41 | _n = -1; |
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42 | _dynamic = false; |
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43 | _i = -2; |
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44 | _args = NULL; |
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45 | } |
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46 | |
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47 | void MPT_GP_Iterator_t::Reset(const void* data) |
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48 | { |
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49 | MPT_Assume(data != NULL); |
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50 | if (_dynamic) |
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51 | { |
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52 | MPT_DynArgs_pt dynargs = MPT_DYNARGS_PT(data); |
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53 | _n = dynargs->length; |
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54 | _args = dynargs->args; |
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55 | } |
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56 | else |
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57 | _args = MPT_ARG_PT(data); |
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58 | |
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59 | _i = 0; |
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60 | } |
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61 | |
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62 | void* MPT_GP_Iterator_t::Next() |
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63 | { |
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64 | if (_i < _n) |
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65 | return _args[_i++]; |
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66 | return NULL; |
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67 | } |
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68 | |
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69 | bool MPT_GP_IsValueIterator(MPT_Tree_pt tree, long vtype) |
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70 | { |
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71 | if (tree == NULL || tree->node->type != MP_CommonOperatorType) |
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72 | return false; |
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73 | MPT_Tree_pt proto = MPT_TrueProtoAnnotValue(tree->node); |
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74 | |
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75 | if (proto != NULL) |
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76 | { |
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77 | if (vtype < 0 || |
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78 | (proto->node->type == MP_CommonMetaType && |
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79 | proto->node->dict == MP_ProtoDict && |
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80 | vtype == MP_CmtProto_2_MPType(MP_COMMON_T(proto->node->nvalue)))) |
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81 | return true; |
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82 | else |
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83 | return false; |
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84 | } |
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85 | if (vtype >= 0) |
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86 | { |
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87 | long nc = tree->node->numchild, i; |
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88 | MPT_Arg_pt args; |
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89 | |
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90 | for (i=0; i<nc; i++) |
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91 | { |
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92 | if (vtype != MP_COMMON_T(MPT_TREE_PT(tree->args[i])->node->type)) |
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93 | return false; |
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94 | } |
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95 | } |
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96 | return true; |
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97 | } |
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98 | |
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99 | MPT_GP_ValueIterator_t::MPT_GP_ValueIterator_t(MPT_Tree_pt tree, long vtype) |
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100 | : MPT_GP_Iterator_t(tree->node) |
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101 | { |
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102 | MPT_Assume(MPT_GP_IsValueIterator(tree, vtype)); |
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103 | _prototype = MPT_TrueProtoAnnotValue(tree->node); |
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104 | _vtype = vtype; |
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105 | } |
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106 | |
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107 | MPT_GP_ValueIterator_t::MPT_GP_ValueIterator_t() |
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108 | : MPT_GP_Iterator_t() |
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109 | { |
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110 | _vtype = -1; |
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111 | _prototype = NULL; |
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112 | } |
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113 | |
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114 | void* MPT_GP_ValueIterator_t::Next() |
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115 | { |
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116 | void* arg = MPT_GP_Iterator_t::Next(); |
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117 | |
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118 | if (_prototype == NULL) arg = MPT_TREE_PT(arg)->node->nvalue; |
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119 | return arg; |
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120 | } |
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121 | |
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122 | |
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123 | ///////////////////////////////////////////////////////////////////// |
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124 | /// |
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125 | /// Top - level GP |
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126 | /// |
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127 | ///////////////////////////////////////////////////////////////////// |
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128 | |
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129 | MPT_GP_pt MPT_GetGP(MPT_Node_pt tnode) |
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130 | { |
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131 | MPT_Assume(tnode != NULL); |
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132 | MPT_GP_pt gp; |
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133 | if ((gp = MPT_GetGP_Atom(tnode)) != NULL) return gp; |
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134 | if ((gp = MPT_GetGP_Comp(tnode)) != NULL) return gp; |
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135 | if ((gp = MPT_GetGP_Poly(tnode)) != NULL) return gp; |
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136 | return NULL; |
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137 | } |
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138 | |
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139 | MPT_GP_pt MPT_GetGP(MPT_Tree_pt tree) |
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140 | { |
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141 | if (tree == NULL) return NULL; |
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142 | return MPT_GetGP(tree->node); |
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143 | } |
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144 | |
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145 | ///////////////////////////////////////////////////////////////////// |
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146 | /// |
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147 | /// Atoms |
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148 | /// |
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149 | ///////////////////////////////////////////////////////////////////// |
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150 | static GP_AtomEncoding_t MP_Type_2_GP_AtomEncoding(MP_Common_t mptype) |
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151 | { |
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152 | if (MP_IsIntegerType(mptype)) |
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153 | { |
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154 | if (MP_IsFixedIntegerType(mptype)) |
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155 | { |
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156 | if (mptype == MP_Sint32Type) |
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157 | return GP_SlongAtomEncoding; |
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158 | if (mptype == MP_Uint32Type) |
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159 | return GP_UlongAtomEncoding; |
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160 | if (mptype == MP_Sint8Type) |
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161 | return GP_SlongAtomEncoding; |
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162 | MPT_Assume(mptype == MP_Uint8Type); |
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163 | return GP_UlongAtomEncoding; |
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164 | } |
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165 | else |
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166 | { |
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167 | long format = MPT_GetApIntFormat(); |
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168 | if (format == MP_GMP) return GP_GmpApIntAtomEncoding; |
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169 | if (format == MP_PARI) return GP_PariApIntAtomEncoding; |
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170 | } |
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171 | } |
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172 | else if (MP_IsRealType(mptype)) |
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173 | { |
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174 | if (mptype == MP_Real32Type) return GP_FloatAtomEncoding; |
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175 | if (mptype == MP_Real64Type) return GP_DoubleAtomEncoding; |
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176 | if (mptype == MP_ApRealType) return GP_ApRealAtomEncoding; |
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177 | } |
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178 | return GP_UnknownAtomEncoding; |
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179 | } |
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180 | |
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181 | MPT_GP_Atom_pt MPT_GetGP_Atom(MPT_Node_pt tnode) |
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182 | { |
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183 | if (tnode == NULL) return NULL; |
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184 | |
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185 | MP_NodeType_t ntype = tnode->type; |
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186 | GP_AtomType_t atype; |
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187 | MPT_Arg_t modulus = NULL; |
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188 | MPT_Node_pt _tnode = NULL; |
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189 | |
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190 | if (ntype == MP_CommonMetaType && tnode->dict == MP_ProtoDict) |
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191 | { |
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192 | _tnode = tnode; |
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193 | ntype = MP_CmtProto_2_MPType(MP_COMMON_T(tnode->nvalue)); |
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194 | } |
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195 | |
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196 | if (MP_IsRealType(ntype)) atype = GP_RealAtomType; |
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197 | else if (MP_IsIntegerType(ntype)) |
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198 | { |
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199 | atype = GP_IntegerAtomType; |
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200 | |
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201 | MPT_Tree_pt mtree = MPT_AnnotValue(tnode, |
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202 | MP_NumberDict, MP_AnnotNumberModulos); |
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203 | if (mtree != NULL && ntype == mtree->node->type) |
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204 | { |
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205 | modulus = mtree->node->nvalue; |
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206 | if (MPT_Annot(mtree->node,MP_NumberDict,MP_AnnotNumberIsPrime) != NULL) |
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207 | atype = GP_CharPAtomType; |
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208 | else |
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209 | atype = GP_ModuloAtomType; |
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210 | } |
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211 | } |
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212 | else |
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213 | return NULL; |
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214 | |
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215 | return new MPT_GP_Atom_t(_tnode, atype, |
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216 | MP_Type_2_GP_AtomEncoding(ntype), |
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217 | modulus); |
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218 | } |
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219 | |
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220 | GP_AtomEncoding_t MPT_GP_Atom_t::AtomEncoding(const void* data) |
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221 | { |
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222 | if (_aencoding != GP_DynamicAtomEncoding) return _aencoding; |
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223 | MPT_Assume(_tnode == NULL && data != NULL); |
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224 | return MP_Type_2_GP_AtomEncoding(((MPT_Tree_pt) data)->node->type); |
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225 | } |
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226 | |
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227 | unsigned long MPT_GP_Atom_t::AtomUlong(const void* data) |
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228 | { |
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229 | MPT_Assume(AtomEncoding(data) == GP_UlongAtomEncoding); |
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230 | |
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231 | return (unsigned long) |
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232 | (_tnode != NULL ? data : ((MPT_Tree_pt) data)->node->nvalue); |
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233 | } |
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234 | signed long MPT_GP_Atom_t::AtomSlong(const void* data) |
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235 | { |
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236 | MPT_Assume(AtomEncoding(data) == GP_SlongAtomEncoding); |
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237 | |
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238 | return (long) |
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239 | (_tnode != NULL ? data : ((MPT_Tree_pt) data)->node->nvalue); |
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240 | } |
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241 | float MPT_GP_Atom_t::AtomFloat(const void* data) |
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242 | { |
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243 | MPT_Assume(AtomEncoding(data) == GP_FloatAtomEncoding); |
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244 | if (_tnode != NULL) |
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245 | return *((float*) &data); |
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246 | return *((float*) &(((MPT_Tree_pt) data)->node->nvalue)); |
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247 | } |
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248 | double MPT_GP_Atom_t::AtomDouble(const void* data) |
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249 | { |
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250 | MPT_Assume(AtomEncoding(data) == GP_DoubleAtomEncoding); |
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251 | |
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252 | return (double) |
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253 | MP_REAL64_T((_tnode!=NULL ? data : ((MPT_Tree_pt) data)->node->nvalue)); |
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254 | } |
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255 | const void* MPT_GP_Atom_t::AtomGmpApInt(const void* data) |
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256 | { |
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257 | MPT_Assume(AtomEncoding(data) == GP_GmpApIntAtomEncoding); |
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258 | |
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259 | return (_tnode != NULL ? data : ((MPT_Tree_pt) data)->node->nvalue); |
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260 | } |
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261 | const void* MPT_GP_Atom_t::AtomPariApInt(const void* data) |
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262 | { |
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263 | MPT_Assume(AtomEncoding(data) == GP_PariApIntAtomEncoding); |
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264 | |
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265 | return (_tnode != NULL ? data : ((MPT_Tree_pt) data)->node->nvalue); |
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266 | } |
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267 | |
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268 | |
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269 | ///////////////////////////////////////////////////////////////////// |
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270 | /// |
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271 | /// Composite Types |
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272 | /// |
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273 | ///////////////////////////////////////////////////////////////////// |
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274 | static GP_CompType_t |
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275 | MP_TypeDictOp_2_GP_CompType(long type, |
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276 | MP_DictTag_t dict, MP_Common_t cvalue) |
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277 | { |
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278 | if (type == MP_CommonOperatorType || type == MP_CommonMetaOperatorType) |
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279 | { |
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280 | if (dict == MP_PolyDict) |
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281 | { |
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282 | if (cvalue == MP_CopPolyIdeal) |
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283 | return GP_IdealCompType; |
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284 | if (cvalue == MP_CopPolyModule) |
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285 | return GP_ModuleCompType; |
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286 | } |
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287 | else if (dict == MP_MatrixDict) |
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288 | { |
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289 | if (cvalue == MP_CopMatrixDenseMatrix) return GP_MatrixCompType; |
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290 | if (cvalue == MP_CopMatrixDenseVector) return GP_VectorCompType; |
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291 | } |
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292 | else if (dict == MP_ProtoDict && cvalue == MP_CopProtoArray) |
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293 | { |
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294 | return GP_VectorCompType; |
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295 | } |
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296 | else if (dict == MP_BasicDict) |
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297 | { |
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298 | if (cvalue == MP_CopBasicDiv) return GP_QuotientCompType; |
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299 | if (cvalue == MP_CopBasicComplex) return GP_ComplexCompType; |
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300 | } |
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301 | } |
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302 | else if (dict == MP_NumberDict && type == MP_CommonMetaType) |
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303 | { |
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304 | if (cvalue == MP_CmtNumberRational) return GP_RationalCompType; |
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305 | if (cvalue == MP_CmtNumberComplex) return GP_ComplexCompType; |
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306 | } |
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307 | return GP_UnknownCompType; |
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308 | } |
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309 | |
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310 | MPT_GP_Comp_pt MPT_GetGP_Comp(MPT_Node_pt tnode) |
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311 | { |
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312 | if (tnode == NULL) return NULL; |
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313 | GP_CompType_t comptype |
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314 | = MP_TypeDictOp_2_GP_CompType(tnode->type, tnode->dict, |
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315 | MP_COMMON_T(tnode->nvalue)); |
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316 | |
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317 | if (comptype == GP_UnknownCompType) return NULL; |
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318 | |
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319 | MPT_GP_pt elements = MPT_GetGP(MPT_ProtoAnnotValue(tnode)); |
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320 | |
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321 | if (elements == NULL) |
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322 | { |
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323 | if (comptype == GP_RationalCompType) |
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324 | elements = new MPT_GP_Atom_t(NULL, |
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325 | GP_IntegerAtomType, GP_DynamicAtomEncoding); |
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326 | else if (comptype == GP_ComplexCompType) |
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327 | elements = new MPT_GP_Atom_t(NULL, |
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328 | GP_RealAtomType, GP_DynamicAtomEncoding); |
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329 | else |
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330 | return NULL; |
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331 | } |
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332 | |
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333 | if (comptype == GP_RationalCompType) |
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334 | { |
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335 | if (elements->Type() != GP_AtomType || |
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336 | ((MPT_GP_Atom_pt) elements)->AtomType() != GP_IntegerAtomType) |
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337 | goto null_return; |
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338 | } |
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339 | else if (comptype == GP_ComplexCompType) |
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340 | { |
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341 | if (elements->Type() != GP_AtomType || |
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342 | ((MPT_GP_Atom_pt) elements)->AtomType() != GP_RealAtomType) |
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343 | goto null_return; |
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344 | } |
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345 | else if (comptype == GP_IdealCompType) |
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346 | { |
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347 | if (elements->Type() != GP_PolyType || |
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348 | ((MPT_GP_Poly_pt) elements)->IsFreeModuleVector()) |
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349 | goto null_return; |
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350 | } |
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351 | else if (comptype == GP_ModuleCompType) |
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352 | { |
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353 | if (elements->Type() != GP_PolyType || |
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354 | ! ((MPT_GP_Poly_pt) elements)->IsFreeModuleVector()) |
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355 | goto null_return; |
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356 | } |
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357 | else if (comptype == GP_MatrixCompType) |
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358 | { |
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359 | MPT_Tree_pt tree = MPT_AnnotValue(tnode, |
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360 | MP_MatrixDict, |
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361 | MP_AnnotMatrixDimension); |
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362 | MPT_Tree_pt ctree; |
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363 | long dx, dy; |
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364 | |
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365 | if (tree == NULL || tree->node->type != MP_CommonOperatorType || |
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366 | tree->node->numchild != 2) |
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367 | goto null_return; |
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368 | ctree = MPT_TREE_PT(tree->args[0]); |
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369 | if (ctree == NULL) goto null_return; |
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370 | if (ctree->node->type != MP_Sint32Type) |
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371 | dx = MP_SINT32_T(ctree->node->nvalue); |
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372 | else if (ctree->node->type != MP_Uint32Type) |
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373 | dx = MP_UINT32_T(ctree->node->nvalue); |
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374 | else goto null_return; |
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375 | |
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376 | ctree = MPT_TREE_PT(tree->args[1]); |
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377 | if (ctree->node->type != MP_Sint32Type) |
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378 | dy = MP_SINT32_T(ctree->node->nvalue); |
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379 | else if (ctree->node->type != MP_Uint32Type) |
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380 | dy = MP_UINT32_T(ctree->node->nvalue); |
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381 | else goto null_return; |
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382 | return new MPT_GP_MatrixComp_t(tnode, elements, dx, dy); |
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383 | } |
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384 | return new MPT_GP_Comp_t(tnode, comptype, elements); |
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385 | |
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386 | null_return: |
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387 | delete elements; |
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388 | return NULL; |
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389 | } |
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390 | |
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391 | ///////////////////////////////////////////////////////////////////// |
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392 | /// |
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393 | /// Polys |
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394 | /// |
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395 | ///////////////////////////////////////////////////////////////////// |
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396 | MPT_GP_Poly_pt MPT_GetGP_Poly(MPT_Node_pt tnode) |
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397 | { |
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398 | return MPT_GetGP_MvPoly(tnode); |
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399 | } |
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400 | |
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401 | bool MPT_GP_Poly_t::IsFreeModuleVector() |
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402 | { |
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403 | if (MPT_Annot(_tnode, |
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404 | MP_PolyDict, |
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405 | MP_AnnotPolyModuleVector) != NULL) |
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406 | return true; |
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407 | return false; |
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408 | } |
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409 | |
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410 | MPT_GP_MvPoly_pt MPT_GetGP_MvPoly(MPT_Node_pt tnode) |
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411 | { |
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412 | return MPT_GetGP_DistMvPoly(tnode); |
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413 | } |
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414 | |
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415 | MPT_GP_MvPoly_t::MPT_GP_MvPoly_t(MPT_Node_pt tnode, |
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416 | MPT_GP_pt coeffs, |
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417 | long nvars) |
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418 | : MPT_GP_Poly_t(tnode, coeffs) |
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419 | { |
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420 | _nvars = nvars; |
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421 | MPT_Tree_pt vtree = MPT_AnnotValue(tnode, |
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422 | MP_PolyDict, |
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423 | MP_AnnotPolyVarNames); |
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424 | |
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425 | if (vtree != NULL && MPT_GP_IsValueIterator(vtree, MP_StringType)) |
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426 | { |
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427 | _vname_iterator = new MPT_GP_ValueIterator_t(vtree, MP_StringType); |
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428 | _vname_iterator->Reset(vtree->args); |
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429 | } |
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430 | else |
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431 | _vname_iterator = NULL; |
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432 | } |
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433 | |
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434 | static GP_DistMvPolyType_t |
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435 | MPT_GetGP_DistMvPolyType(MPT_Node_pt tnode, |
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436 | MPT_GP_pt &coeffs, |
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437 | long &nvars) |
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438 | { |
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439 | MPT_Assume(tnode != NULL); |
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440 | MPT_Node_pt node; |
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441 | MPT_Tree_pt val; |
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442 | MPT_Arg_pt ta; |
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443 | |
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444 | // a DDP consists of monoms |
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445 | if ((val = MPT_ProtoAnnotValue(tnode)) == NULL) |
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446 | return GP_UnknownDistMvPolyType; |
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447 | |
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448 | node = val->node; |
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449 | // a Monom is a tuple of (coeff, expvector) |
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450 | if (! (MPT_IsNode(node, MP_CommonOperatorType, MP_ProtoDict, |
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451 | MP_CopProtoStruct, 2))) |
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452 | return GP_UnknownDistMvPolyType; |
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453 | |
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454 | // an expvector is a fixed-length array |
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455 | ta = val->args; |
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456 | node = MPT_TREE_PT(ta[1])->node; |
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457 | if (!MPT_IsNode(node, MP_CommonMetaOperatorType, MP_ProtoDict, |
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458 | MP_CopProtoArray) |
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459 | || node->numchild <= 0) |
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460 | return GP_UnknownDistMvPolyType; |
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461 | else |
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462 | nvars = node->numchild; |
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463 | // of ints |
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464 | if ((val = MPT_ProtoAnnotValue(node)) == NULL) |
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465 | return GP_UnknownDistMvPolyType; |
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466 | node = val->node; |
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467 | if (!MPT_IsNode(node, MP_CommonMetaType, MP_ProtoDict, |
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468 | MP_CmtProtoIMP_Sint32)) |
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469 | return GP_UnknownDistMvPolyType; |
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470 | |
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471 | // Look for coeffs |
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472 | coeffs = MPT_GetGP( MPT_TREE_PT(ta[0])); |
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473 | if (coeffs == NULL) return GP_UnknownDistMvPolyType; |
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474 | // Hmm should check that coeffs are Poly or Atom or Rational/Complex |
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475 | else return GP_DenseDistMvPolyType; |
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476 | } |
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477 | |
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478 | MPT_GP_DistMvPoly_pt MPT_GetGP_DistMvPoly(MPT_Node_pt tnode) |
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479 | { |
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480 | if (tnode == NULL) return NULL; |
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481 | |
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482 | MPT_GP_pt coeffs; |
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483 | long nvars; |
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484 | |
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485 | if (MPT_GetGP_DistMvPolyType(tnode, coeffs, nvars) |
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486 | != GP_DenseDistMvPolyType) |
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487 | return NULL; |
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488 | |
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489 | return new |
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490 | MPT_GP_DistMvPoly_t(tnode, coeffs, nvars, |
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491 | MPT_GetGP_Ordering( |
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492 | MPT_AnnotValue(tnode, |
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493 | MP_PolyDict, |
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494 | MP_AnnotPolyOrdering), |
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495 | nvars), |
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496 | MPT_GetGP_Ordering( |
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497 | MPT_AnnotValue(tnode, |
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498 | MP_PolyDict, |
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499 | MP_AnnotShouldHavePolyOrdering), |
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500 | nvars)); |
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501 | |
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502 | } |
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503 | |
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504 | MPT_GP_DistMvPoly_t::MPT_GP_DistMvPoly_t(MPT_Node_pt tnode, |
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505 | MPT_GP_pt coeffs, long nvars, |
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506 | MPT_GP_Ordering_pt has_ordering, |
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507 | MPT_GP_Ordering_pt should_ordering) |
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508 | : MPT_GP_MvPoly_t(tnode, coeffs, nvars), _monom_iterator(tnode) |
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509 | { |
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510 | _has_ordering = has_ordering; |
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511 | _should_have_ordering = should_ordering; |
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512 | } |
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513 | |
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514 | |
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515 | void* MPT_GP_DistMvPoly_t::Coeff(const void* monom) |
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516 | { |
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517 | return (MPT_ARG_PT(monom))[0]; |
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518 | } |
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519 | |
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520 | void MPT_GP_DistMvPoly_t::ExpVector(const void* monom, long* &expvector) |
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521 | { |
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522 | MP_Sint32_t* ev = MP_SINT32_PT((MPT_ARG_PT(monom))[1]); |
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523 | |
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524 | if (expvector != NULL) |
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525 | { |
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526 | long i; |
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527 | for (i=0; i < _nvars; i++) |
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528 | expvector[i] = ev[i]; |
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529 | } |
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530 | else |
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531 | expvector = (long*) ev; |
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532 | } |
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533 | |
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534 | ///////////////////////////////////////////////////////////////////// |
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535 | /// |
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536 | /// Ordering |
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537 | /// |
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538 | ///////////////////////////////////////////////////////////////////// |
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539 | MPT_GP_Ordering_t::MPT_GP_Ordering_t(MPT_Tree_pt otree) |
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540 | { |
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541 | _otree = otree; |
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542 | } |
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543 | |
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544 | MPT_GP_Ordering_pt MPT_GetGP_Ordering(MPT_Tree_pt o_tree, long nvars) |
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545 | { |
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546 | if (o_tree != NULL) |
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547 | { |
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548 | MPT_GP_Ordering_pt ordering = new MPT_GP_Ordering_t(o_tree); |
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549 | if (ordering->IsOk(nvars)) |
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550 | return ordering; |
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551 | delete ordering; |
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552 | } |
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553 | return NULL; |
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554 | } |
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555 | |
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556 | GP_OrderingType_t MP_CcPolyOrdering_2_GP_OrderingType(MP_Common_t cc) |
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557 | { |
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558 | switch(cc) |
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559 | { |
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560 | case MP_CcPolyOrdering_Lex : return GP_LexOrdering; |
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561 | case MP_CcPolyOrdering_RevLex : return GP_RevLexOrdering; |
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562 | case MP_CcPolyOrdering_DegRevLex : return GP_DegRevLexOrdering; |
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563 | case MP_CcPolyOrdering_DegLex : return GP_DegLexOrdering; |
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564 | case MP_CcPolyOrdering_NegLex : return GP_NegLexOrdering; |
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565 | case MP_CcPolyOrdering_NegRevLex : return GP_NegRevLexOrdering; |
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566 | case MP_CcPolyOrdering_NegDegRevLex : return GP_NegDegRevLexOrdering; |
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567 | case MP_CcPolyOrdering_NegDegLex : return GP_NegDegLexOrdering; |
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568 | case MP_CcPolyOrdering_Matrix : return GP_MatrixOrdering; |
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569 | case MP_CcPolyOrdering_IncComp : return GP_IncrCompOrdering; |
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570 | case MP_CcPolyOrdering_DecComp : return GP_DecrCompOrdering; |
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571 | |
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572 | default : return GP_UnknownOrdering; |
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573 | } |
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574 | } |
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575 | |
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576 | GP_OrderingType_t MPT_GP_Ordering_t::OrderingType() |
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577 | { |
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578 | if (MPT_IsNode(_otree->node, MP_CommonConstantType, MP_PolyDict)) |
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579 | return |
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580 | MP_CcPolyOrdering_2_GP_OrderingType(MP_COMMON_T(_otree->node->nvalue)); |
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581 | else if (MPT_IsNode(_otree->node, MP_CommonOperatorType, MP_BasicDict, |
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582 | MP_CopBasicList)) |
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583 | return GP_ProductOrdering; |
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584 | else |
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585 | return GP_UnknownOrdering; |
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586 | } |
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587 | |
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588 | GP_OrderingType_t MPT_GP_Ordering_t::OrderingType(const void* block) |
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589 | { |
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590 | if (block == NULL) return GP_UnknownOrdering; |
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591 | MPT_Tree_pt btree = ((MPT_Tree_pt) block); |
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592 | |
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593 | if (MPT_IsNode(btree->node, MP_CommonOperatorType, MP_BasicDict, |
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594 | MP_CopBasicList, 3)) |
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595 | { |
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596 | btree = MPT_TREE_PT(btree->args[0]); |
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597 | if (btree != NULL && |
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598 | MPT_IsNode(btree->node, MP_CommonConstantType, MP_PolyDict)) |
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599 | return |
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600 | MP_CcPolyOrdering_2_GP_OrderingType(MP_COMMON_T(btree->node->nvalue)); |
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601 | } |
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602 | return GP_UnknownOrdering; |
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603 | } |
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604 | |
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605 | GP_Iterator_pt MPT_GP_Ordering_t::WeightsIterator() |
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606 | { |
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607 | GP_OrderingType_t otype = OrderingType(); |
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608 | |
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609 | if (otype == GP_UnknownOrdering || |
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610 | otype == GP_IncrCompOrdering || |
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611 | otype == GP_DecrCompOrdering || |
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612 | otype == GP_ProductOrdering) |
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613 | return NULL; |
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614 | |
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615 | MPT_Tree_pt wtree = MPT_AnnotValue(_otree->node, |
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616 | MP_PolyDict, |
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617 | MP_AnnotPolyWeights); |
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618 | if (wtree == NULL || ! MPT_GP_IsValueIterator(wtree, MP_Sint32Type)) |
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619 | return NULL; |
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620 | _weights_iterator = MPT_GP_ValueIterator_t(wtree, MP_Sint32Type); |
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621 | return &(_weights_iterator); |
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622 | } |
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623 | |
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624 | GP_Iterator_pt MPT_GP_Ordering_t::WeightsIterator(const void* block) |
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625 | { |
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626 | if (block == NULL) return NULL; |
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627 | |
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628 | GP_OrderingType_t otype = OrderingType(block); |
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629 | if (otype == GP_UnknownOrdering || |
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630 | otype == GP_IncrCompOrdering || |
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631 | otype == GP_DecrCompOrdering || |
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632 | otype == GP_ProductOrdering) |
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633 | return NULL; |
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634 | |
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635 | MPT_Tree_pt btree = MPT_AnnotValue(_otree->node, |
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636 | MP_PolyDict, |
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637 | MP_AnnotPolyWeights); |
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638 | |
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639 | if (btree == NULL || ! MPT_GP_IsValueIterator(btree, MP_Sint32Type)) |
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640 | return NULL; |
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641 | _block_weights_iterator = MPT_GP_ValueIterator_t(btree, MP_Sint32Type); |
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642 | |
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643 | return &(_block_weights_iterator); |
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644 | } |
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645 | |
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646 | GP_Iterator_pt MPT_GP_Ordering_t::BlockOrderingIterator() |
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647 | { |
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648 | GP_OrderingType_t otype = OrderingType(); |
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649 | |
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650 | if (otype != GP_ProductOrdering) return NULL; |
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651 | |
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652 | _block_iterator = MPT_GP_Iterator_t(_otree->node); |
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653 | _block_iterator.Reset(_otree->args); |
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654 | return &(_block_iterator); |
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655 | } |
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656 | |
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657 | long MPT_GP_Ordering_t::BlockLength(const void* block) |
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658 | { |
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659 | long low = -1; |
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660 | long high = -2; |
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661 | |
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662 | if (block == NULL) return -1; |
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663 | |
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664 | GP_OrderingType_t otype = OrderingType(block); |
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665 | if (otype == GP_UnknownOrdering || |
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666 | otype == GP_ProductOrdering) |
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667 | return -1; |
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668 | |
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669 | MPT_Tree_pt btree = MPT_TREE_PT(block); |
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670 | |
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671 | if (btree != NULL && |
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672 | MPT_IsNode(btree->node, MP_CommonOperatorType, MP_BasicDict, |
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673 | MP_CopBasicList, 3)) |
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674 | { |
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675 | MPT_Tree_pt ctree = MPT_TREE_PT(btree->args[1]); |
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676 | if (ctree == NULL) return -1; |
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677 | if (ctree->node->type != MP_Sint32Type) |
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678 | low = MP_SINT32_T(ctree->node->nvalue); |
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679 | else if (ctree->node->type != MP_Uint32Type) |
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680 | low = MP_UINT32_T(ctree->node->nvalue); |
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681 | else return -1; |
---|
682 | |
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683 | ctree = MPT_TREE_PT(btree->args[2]); |
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684 | if (ctree == NULL) return -1; |
---|
685 | if (ctree->node->type != MP_Sint32Type) |
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686 | high = MP_SINT32_T(ctree->node->nvalue); |
---|
687 | else if (ctree->node->type != MP_Uint32Type) |
---|
688 | high = MP_UINT32_T(ctree->node->nvalue); |
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689 | else return -1; |
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690 | } |
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691 | |
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692 | return high - low; |
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693 | } |
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694 | |
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695 | |
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696 | |
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697 | |
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698 | |
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699 | |
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715 | |
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