- Timestamp:
- 04/24/14 09:23:18 (11 years ago)
- Location:
- trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Interpreter
- Files:
-
- 2 edited
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- Unmodified
- Added
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-
trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Interpreter/SymbolicDataAnalysisExpressionTreeInterpreter.cs
r10774 r10788 345 345 } 346 346 case OpCodes.XOR: { 347 double firstArgument = Evaluate(dataset, ref row, state); 348 double result = 1.0; 349 for (int i = 1; i < currentInstr.nArguments; i++) { 350 if (result <= 0.0) { 351 state.SkipInstructions(); 352 } else { 353 double evalutationResult = Evaluate(dataset, ref row, state); 354 if (firstArgument <= 0 && evalutationResult > 0) result = -1.0; 355 else if (firstArgument > 0 && evalutationResult <= 0) result = -1.0; 356 } 357 } 358 return result > 0.0 ? 1.0 : -1.0; 347 //mkommend: XOR on multiple inputs is defined as true if the number of positive signals is odd 348 // this is equal to a consecutive execution of binary XOR operations. 349 int positiveSignals = 0; 350 for (int i = 0; i < currentInstr.nArguments; i++) { 351 if (Evaluate(dataset, ref row, state) > 0.0) positiveSignals++; 352 } 353 return positiveSignals % 2 != 0 ? 1.0 : -1.0; 359 354 } 360 355 case OpCodes.GT: { -
trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Interpreter/SymbolicDataAnalysisExpressionTreeLinearInterpreter.cs
r10774 r10788 312 312 instr.value = code[instr.childIndex].value > 0.0 ? -1.0 : 1.0; 313 313 } else if (instr.opCode == OpCodes.XOR) { 314 double firstArgument = code[instr.childIndex].value; 315 instr.value = 1.0; 316 for (int j = 1; j < instr.nArguments; j++) { 317 if (instr.value > 0.0) { 318 if (firstArgument <= 0 && code[instr.childIndex + j].value > 0) instr.value = -1.0; 319 if (firstArgument > 0 && code[instr.childIndex + j].value <= 0) instr.value = -1.0; 320 } else break; 321 } 322 instr.value = instr.value > 0.0 ? 1.0 : -1.0; 314 int positiveSignals = 0; 315 for (int j = 0; j < instr.nArguments; j++) { 316 if (code[instr.childIndex + j].value > 0.0) positiveSignals++; 317 } 318 instr.value = positiveSignals % 2 != 0 ? 1.0 : -1.0; 323 319 } else if (instr.opCode == OpCodes.GT) { 324 320 double x = code[instr.childIndex].value;
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