00001 #include <cmath>
00002 #include "../ECF_base.h"
00003 #include "FloatingPoint.h"
00004 #include<sstream>
00005
00006 namespace FloatingPoint
00007 {
00008
00009 void FloatingPoint::registerParameters(StateP state)
00010 {
00011 registerParameter(state, "lbound", (voidP) new double(-10), ECF::DOUBLE,
00012 "lower bound for each variable (mandatory)");
00013 registerParameter(state, "ubound", (voidP) new double(10), ECF::DOUBLE,
00014 "upper bound for each variable (mandatory)");
00015 registerParameter(state, "dimension", (voidP) new uint(1), ECF::UINT,
00016 "number of real valued variables (mandatory)");
00017 }
00018
00019
00020 bool FloatingPoint::initialize (StateP state)
00021 {
00022 if(!isParameterDefined(state, "lbound") ||
00023 !isParameterDefined(state, "ubound") ||
00024 !isParameterDefined(state, "dimension")) {
00025 ECF_LOG_ERROR(state, "Error: required parameters for FloatingPoint genotype not defined (lbound, ubound, dimension)!");
00026 throw("");
00027 }
00028
00029 voidP genp = getParameterValue(state, "lbound");
00030 minValue_ = *((double*) genp.get());
00031
00032 genp = getParameterValue(state, "ubound");
00033 maxValue_ = *((double*) genp.get());
00034
00035 if(minValue_ >= maxValue_) {
00036 ECF_LOG_ERROR(state, "Error: 'lbound' must be smaller than 'ubound' for FloatingPoint genotype!");
00037 throw("");
00038 }
00039
00040 genp = getParameterValue(state, "dimension");
00041 nDimension_ = *((uint*) genp.get());
00042
00043 if(nDimension_ < 1) {
00044 ECF_LOG_ERROR(state, "Error: 'dimension' must be > 0 for FloatingPoint genotype!");
00045 throw("");
00046 }
00047
00048 realValue.resize(nDimension_);
00049
00050 for (uint i = 0; i < nDimension_; i++){
00051 realValue[i] = ( minValue_ + (maxValue_ - minValue_) * state->getRandomizer()->getRandomDouble() );
00052 }
00053
00054 return true;
00055 }
00056
00057
00058 void FloatingPoint::write(XMLNode &xFloatingPoint)
00059 {
00060 xFloatingPoint = XMLNode::createXMLTopNode("FloatingPoint");
00061 std::stringstream sValue;
00062 sValue << nDimension_;
00063 xFloatingPoint.addAttribute("size", sValue.str().c_str());
00064
00065 sValue.str("");
00066 for(uint iVar = 0; iVar < nDimension_; iVar++)
00067 sValue << "\t" << realValue[iVar];
00068 xFloatingPoint.addText(sValue.str().c_str());
00069 }
00070
00071
00072 void FloatingPoint::read(XMLNode& xFloatingPoint)
00073 {
00074 XMLCSTR values = xFloatingPoint.getText();
00075 std::stringstream sValues;
00076 sValues << values;
00077
00078 for(uint iVar = 0; iVar < nDimension_; iVar++) {
00079 sValues >> realValue[iVar];
00080 }
00081 }
00082
00083 }
