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25 // 25 //
26 // G4GDMLEvaluator implementation <<
27 // 26 //
28 // Author: Zoltan Torzsok, November 2007 << 27 // $Id$
>> 28 // GEANT4 tag $ Name:$
>> 29 //
>> 30 // class G4GDMLEvaluator Implementation
>> 31 //
>> 32 // Original author: Zoltan Torzsok, November 2007
>> 33 //
29 // ------------------------------------------- 34 // --------------------------------------------------------------------
30 35
31 #include <sstream> 36 #include <sstream>
32 37
33 #include "G4GDMLEvaluator.hh" 38 #include "G4GDMLEvaluator.hh"
34 #include "G4SystemOfUnits.hh" 39 #include "G4SystemOfUnits.hh"
35 40
36 // ------------------------------------------- <<
37 G4GDMLEvaluator::G4GDMLEvaluator() 41 G4GDMLEvaluator::G4GDMLEvaluator()
38 { 42 {
39 eval.clear(); << 43 eval.clear();
40 eval.setStdMath(); << 44 eval.setStdMath();
41 eval.setSystemOfUnits(meter, kilogram, secon << 45 eval.setSystemOfUnits(meter,kilogram,second,ampere,kelvin,mole,candela);
42 } 46 }
43 47
44 // ------------------------------------------- <<
45 void G4GDMLEvaluator::Clear() 48 void G4GDMLEvaluator::Clear()
46 { 49 {
47 eval.clear(); 50 eval.clear();
48 eval.setStdMath(); 51 eval.setStdMath();
49 eval.setSystemOfUnits(meter, kilogram, secon << 52 eval.setSystemOfUnits(meter,kilogram,second,ampere,kelvin,mole,candela);
50 53
51 variableList.clear(); 54 variableList.clear();
52 } 55 }
53 56
54 // ------------------------------------------- <<
55 void G4GDMLEvaluator::DefineConstant(const G4S 57 void G4GDMLEvaluator::DefineConstant(const G4String& name, G4double value)
56 { 58 {
57 if(eval.findVariable(name)) << 59 if (eval.findVariable(name))
58 { << 60 {
59 G4String error_msg = "Redefinition of cons << 61 G4String error_msg = "Redefinition of constant or variable: "+name;
60 G4Exception("G4GDMLEvaluator::DefineConsta << 62 G4Exception("G4GDMLEvaluator::DefineConstant()", "InvalidExpression",
61 FatalException, error_msg); << 63 FatalException, error_msg);
62 } << 64 }
63 eval.setVariable(name.c_str(), value); << 65 eval.setVariable(name.c_str(),value);
64 } << 66 }
65 << 67
66 // ------------------------------------------- << 68 void G4GDMLEvaluator::DefineVariable(const G4String& name,G4double value)
67 void G4GDMLEvaluator::DefineVariable(const G4S << 69 {
68 { << 70 if (eval.findVariable(name))
69 if(eval.findVariable(name)) << 71 {
70 { << 72 G4String error_msg = "Redefinition of constant or variable: "+name;
71 G4String error_msg = "Redefinition of cons << 73 G4Exception("G4GDMLEvaluator::DefineVariable()", "InvalidExpression",
72 G4Exception("G4GDMLEvaluator::DefineVariab << 74 FatalException, error_msg);
73 FatalException, error_msg); << 75 }
74 } << 76 eval.setVariable(name.c_str(),value);
75 eval.setVariable(name.c_str(), value); << 77 variableList.push_back(name);
76 variableList.push_back(name); << 78 }
77 } << 79
78 << 80 void G4GDMLEvaluator::DefineMatrix(const G4String& name,
79 // ------------------------------------------- << 81 G4int coldim,
80 void G4GDMLEvaluator::DefineMatrix(const G4Str << 82 std::vector<G4double> valueList)
81 std::vector << 83 {
82 { << 84 const G4int size = valueList.size();
83 const G4int size = (G4int)valueList.size(); << 85
>> 86 if (size == 0)
>> 87 {
>> 88 G4String error_msg = "Matrix '"+name+"' is empty!";
>> 89 G4Exception("G4GDMLEvaluator::DefineMatrix()", "InvalidSize",
>> 90 FatalException, error_msg);
>> 91 }
>> 92 /*
>> 93 if (size == 1)
>> 94 {
>> 95 G4String error_msg = "Matrix '" + name
>> 96 + "' has only one element! "
>> 97 + "Define a constant instead!!";
>> 98 G4Exception("G4GDMLEvaluator::DefineMatrix()", "InvalidSize",
>> 99 FatalException, error_msg);
>> 100 }
>> 101 */
>> 102
>> 103 if (size % coldim != 0)
>> 104 {
>> 105 G4String error_msg = "Matrix '" + name + "' is not filled correctly!";
>> 106 G4Exception("G4GDMLEvaluator::DefineMatrix()", "InvalidSize",
>> 107 FatalException, error_msg);
>> 108 }
>> 109
>> 110 if ((size == coldim) || (coldim == 1)) // Row- or column matrix
>> 111 {
>> 112 for (G4int i=0;i<size;i++)
>> 113 {
>> 114 std::stringstream MatrixElementNameStream;
>> 115 MatrixElementNameStream << name << "_" << i;
>> 116 DefineConstant(MatrixElementNameStream.str(),valueList[i]);
>> 117 }
>> 118 }
>> 119 else // Normal matrix
>> 120 {
>> 121 const G4int rowdim = size/coldim;
84 122
85 if(size == 0) << 123 for (G4int i=0;i<rowdim;i++)
86 { <<
87 G4String error_msg = "Matrix '" + name + " <<
88 G4Exception("G4GDMLEvaluator::DefineMatrix <<
89 FatalException, error_msg); <<
90 } <<
91 /* <<
92 if (size == 1) <<
93 { <<
94 G4String error_msg = "Matrix '" + name <<
95 + "' has only one eleme <<
96 + "Define a constant in <<
97 G4Exception("G4GDMLEvaluator::DefineMatrix <<
98 FatalException, error_msg); <<
99 } <<
100 */ <<
101 <<
102 if(size % coldim != 0) <<
103 { <<
104 G4String error_msg = "Matrix '" + name + " <<
105 G4Exception("G4GDMLEvaluator::DefineMatrix <<
106 FatalException, error_msg); <<
107 } <<
108 <<
109 if((size == coldim) || (coldim == 1)) // Ro <<
110 { <<
111 for(G4int i = 0; i < size; ++i) <<
112 { <<
113 std::stringstream MatrixElementNameStrea <<
114 MatrixElementNameStream << name << "_" < <<
115 DefineConstant(MatrixElementNameStream.s <<
116 } <<
117 } <<
118 else // Normal matrix <<
119 { <<
120 const G4int rowdim = size / coldim; <<
121 <<
122 for(G4int i = 0; i < rowdim; ++i) <<
123 { <<
124 for(G4int j = 0; j < coldim; ++j) <<
125 { 124 {
126 std::stringstream MatrixElementNameStr << 125 for (G4int j=0;j<coldim;j++)
127 MatrixElementNameStream << name << "_" << 126 {
128 DefineConstant(MatrixElementNameStream << 127 std::stringstream MatrixElementNameStream;
129 valueList[coldim * i + << 128 MatrixElementNameStream << name << "_" << i << "_" << j;
>> 129 DefineConstant(MatrixElementNameStream.str(),valueList[coldim*i+j]);
>> 130 }
130 } 131 }
131 } << 132 }
132 } <<
133 } 133 }
134 134
135 // ------------------------------------------- <<
136 void G4GDMLEvaluator::SetVariable(const G4Stri 135 void G4GDMLEvaluator::SetVariable(const G4String& name, G4double value)
137 { 136 {
138 if(!IsVariable(name)) << 137 if (!IsVariable(name))
139 { << 138 {
140 G4String error_msg = "Variable '" + name + << 139 G4String error_msg = "Variable '" + name + "' is not defined!";
141 G4Exception("G4GDMLEvaluator::SetVariable( << 140 G4Exception("G4GDMLEvaluator::SetVariable()", "InvalidSetup",
142 FatalException, error_msg); << 141 FatalException, error_msg);
143 } << 142 }
144 eval.setVariable(name.c_str(), value); << 143 eval.setVariable(name.c_str(),value);
145 } 144 }
146 145
147 // ------------------------------------------- <<
148 G4bool G4GDMLEvaluator::IsVariable(const G4Str 146 G4bool G4GDMLEvaluator::IsVariable(const G4String& name) const
149 { 147 {
150 const std::size_t variableCount = variableLi << 148 const size_t variableCount = variableList.size();
151 149
152 for(std::size_t i = 0; i < variableCount; ++ << 150 for (size_t i=0;i<variableCount;i++)
153 { << 151 {
154 if(variableList[i] == name) << 152 if (variableList[i] == name) { return true; }
155 { << 153 }
156 return true; <<
157 } <<
158 } <<
159 154
160 return false; << 155 return false;
161 } 156 }
162 157
163 // ------------------------------------------- <<
164 G4String G4GDMLEvaluator::SolveBrackets(const 158 G4String G4GDMLEvaluator::SolveBrackets(const G4String& in)
165 { 159 {
166 std::string::size_type full = in.size(); << 160 std::string::size_type full = in.size();
167 std::string::size_type open = in.find("[", << 161 std::string::size_type open = in.find("[",0);
168 std::string::size_type close = in.find("]", << 162 std::string::size_type close = in.find("]",0);
169 << 163
170 if(open == close) << 164 if (open==close) { return in; }
171 { << 165
172 return in; << 166 if ((open>close) || (open==std::string::npos) || (close==std::string::npos))
173 } << 167 {
174 << 168 G4String error_msg = "Bracket mismatch: " + in;
175 if((open > close) || (open == std::string::n << 169 G4Exception("G4GDMLEvaluator::SolveBrackets()", "InvalidExpression",
176 (close == std::string::npos)) << 170 FatalException, error_msg);
177 { << 171 return in;
178 G4String error_msg = "Bracket mismatch: " << 172 }
179 G4Exception("G4GDMLEvaluator::SolveBracket << 173
180 FatalException, error_msg); << 174 std::string::size_type begin = open;
181 return in; << 175 std::string::size_type end = 0;
182 } << 176 std::string::size_type end1 = 0;
183 << 177 std::string out;
184 std::string::size_type begin = open; << 178 out.append(in,0,open);
185 std::string::size_type end = 0; << 179
186 std::string::size_type end1 = 0; << 180 do // Loop for all possible matrix elements in 'in'
187 std::string out; << 181 {
188 out.append(in, 0, open); << 182 do // SolveBrackets for one matrix element
189 << 183 {
190 do // Loop for all possible matrix elements << 184 end = in.find(",",begin+1);
191 { << 185 end1= in.find("]",begin+1);
192 do // SolveBrackets for one matrix elemen << 186 if (end>end1) { end = end1; }
193 { << 187 if (end==std::string::npos) { end = close;}
194 end = in.find(",", begin + 1); << 188
195 end1 = in.find("]", begin + 1); << 189 std::stringstream indexStream;
196 if(end > end1) << 190 indexStream << "_" << EvaluateInteger(in.substr(begin+1,end-begin-1))-1;
197 { << 191
198 end = end1; << 192 out.append(indexStream.str());
199 } << 193
200 if(end == std::string::npos) << 194 begin = end;
201 { << 195
202 end = close; << 196 } while (end<close);
203 } << 197
204 << 198 if (full==close) { return out; }
205 std::stringstream indexStream; << 199
206 indexStream << "_" << 200 open = in.find("[",begin);
207 << EvaluateInteger(in.substr << 201 close = in.find("]",begin+1);
208 << 202
209 out.append(indexStream.str()); << 203 if (open==close) { out.append(in.substr(end+1,full-end-1)); return out; }
210 << 204 out.append(in.substr(end+1,open-end-1));
211 begin = end; << 205
212 << 206 begin=open;
213 } while(end < close); << 207
214 << 208 } while (close<full);
215 if(full == close) << 209
216 { << 210 return out;
217 return out; <<
218 } <<
219 <<
220 open = in.find("[", begin); <<
221 close = in.find("]", begin + 1); <<
222 <<
223 if(open == close) <<
224 { <<
225 out.append(in.substr(end + 1, full - end <<
226 return out; <<
227 } <<
228 out.append(in.substr(end + 1, open - end - <<
229 <<
230 begin = open; <<
231 <<
232 } while(close < full); <<
233 <<
234 return out; <<
235 } 211 }
236 212
237 // ------------------------------------------- <<
238 G4double G4GDMLEvaluator::Evaluate(const G4Str 213 G4double G4GDMLEvaluator::Evaluate(const G4String& in)
239 { 214 {
240 G4String expression = SolveBrackets(in); << 215 G4String expression = SolveBrackets(in);
>> 216
>> 217 G4double value = 0.0;
241 218
242 G4double value = 0.0; << 219 if (!expression.empty())
>> 220 {
>> 221 value = eval.evaluate(expression.c_str());
243 222
244 if(!expression.empty()) << 223 if (eval.status() != G4Evaluator::OK)
245 { << 224 {
246 value = eval.evaluate(expression.c_str()); << 225 eval.print_error();
247 << 226 G4String error_msg = "Error in expression: " + expression;
248 if(eval.status() != G4Evaluator::OK) << 227 G4Exception("G4GDMLEvaluator::Evaluate()", "InvalidExpression",
249 { << 228 FatalException, error_msg);
250 eval.print_error(); << 229 }
251 G4String error_msg = "Error in expressio << 230 }
252 G4Exception("G4GDMLEvaluator::Evaluate() << 231 return value;
253 FatalException, error_msg); <<
254 } <<
255 } <<
256 return value; <<
257 } 232 }
258 233
259 // ------------------------------------------- <<
260 G4int G4GDMLEvaluator::EvaluateInteger(const G 234 G4int G4GDMLEvaluator::EvaluateInteger(const G4String& expression)
261 { 235 {
262 // This function is for evaluating integer e << 236 // This function is for evaluating integer expressions,
263 // like loop variables and matrix indices. << 237 // like loop variables and matrix indices.
264 // Complains if the evaluated expression has << 238 // Complains if the evaluated expression has a fractional
265 // part different from zero << 239 // part different from zero
266 << 240
267 G4double value = Evaluate(expression); << 241 G4double value = Evaluate(expression);
268 << 242
269 G4int whole = (G4int) value; << 243 G4int whole = (G4int)value;
270 G4double frac = value - (G4double) whole; << 244 G4double frac = value - (G4double)whole;
271 << 245
272 if(frac != 0.0) << 246 if (frac != 0.0)
273 { << 247 {
274 G4String error_msg = << 248 G4String error_msg = "Expression '" + expression
275 "Expression '" + expression + "' is expe << 249 + "' is expected to have an integer value!";
276 G4Exception("G4GDMLEvaluator::EvaluateInte << 250 G4Exception("G4GDMLEvaluator::EvaluateInteger()", "InvalidExpression",
277 FatalException, error_msg); << 251 FatalException, error_msg);
278 } << 252 }
279 return whole; << 253 return whole;
280 } 254 }
281 255
282 // ------------------------------------------- <<
283 G4double G4GDMLEvaluator::GetConstant(const G4 256 G4double G4GDMLEvaluator::GetConstant(const G4String& name)
284 { 257 {
285 if(IsVariable(name)) << 258 if (IsVariable(name))
286 { << 259 {
287 G4String error_msg = << 260 G4String error_msg = "Constant '" + name
288 "Constant '" + name + "' is not defined! << 261 + "' is not defined! It is a variable!";
289 G4Exception("G4GDMLEvaluator::GetConstant( << 262 G4Exception("G4GDMLEvaluator::GetConstant()", "InvalidSetup",
290 FatalException, error_msg); << 263 FatalException, error_msg);
291 } << 264 }
292 if(!eval.findVariable(name)) << 265 if (!eval.findVariable(name))
293 { << 266 {
294 G4String error_msg = "Constant '" + name + << 267 G4String error_msg = "Constant '" + name + "' is not defined!";
295 G4Exception("G4GDMLEvaluator::GetConstant( << 268 G4Exception("G4GDMLEvaluator::GetConstant()", "InvalidSetup",
296 FatalException, error_msg); << 269 FatalException, error_msg);
297 } << 270 }
298 return Evaluate(name); << 271 return Evaluate(name);
299 } 272 }
300 273
301 // ------------------------------------------- <<
302 G4double G4GDMLEvaluator::GetVariable(const G4 274 G4double G4GDMLEvaluator::GetVariable(const G4String& name)
303 { 275 {
304 if(!IsVariable(name)) << 276 if (!IsVariable(name))
305 { << 277 {
306 G4String error_msg = "Variable '" + name + << 278 G4String error_msg = "Variable '" + name + "' is not a defined!";
307 G4Exception("G4GDMLEvaluator::GetVariable( << 279 G4Exception("G4GDMLEvaluator::GetVariable()", "InvalidSetup",
308 FatalException, error_msg); << 280 FatalException, error_msg);
309 } << 281 }
310 return Evaluate(name); << 282 return Evaluate(name);
311 } <<
312 <<
313 // ------------------------------------------- <<
314 G4String G4GDMLEvaluator::ConvertToString(G4in <<
315 { <<
316 std::ostringstream os; <<
317 os << ival; <<
318 G4String vl = os.str(); <<
319 return vl; <<
320 } <<
321 <<
322 // ------------------------------------------- <<
323 G4String G4GDMLEvaluator::ConvertToString(G4do <<
324 { <<
325 std::ostringstream os; <<
326 os << dval; <<
327 G4String vl = os.str(); <<
328 return vl; <<
329 } 283 }
330 284