bundles/org.simantics.databoard/cpp/DataBoardTest/DataBoard/FloatValue.cpp

   1 #include "FloatValue.h"
   2
   3 #include "FloatType.h"
   4 #include "Constants.h"
   5 #include "Range.h"
   6 #include "Limit.h"
   7
   8 #include <sstream>
   9 #include <cfloat>
  10 #include <valarray>
  11
  12 namespace Databoard {
  13         namespace Value {
  14                 FloatValue::FloatValue(Databoard::Type::DataType* dataBoard) : Value(dataBoard)
  15                 {
  16                 }
  17
  18                 FloatValue::~FloatValue()
  19                 {
  20                 }
  21
  22                 void FloatValue::setValue(float value)
  23                 {
  24                         Databoard::Type::FloatType* floatType = dynamic_cast<Databoard::Type::FloatType*>(dataBoard);
  25
  26                         if(floatType != NULL)
  27                         {
  28                                 this->value = value;
  29                         }
  30                 }
  31
  32                 float FloatValue::getValue()
  33                 {
  34                         return value;
  35                 }
  36
  37                 std::string FloatValue::writeOut(int /*indent*/)
  38                 {
  39                         std::string s;
  40
  41                         std::stringstream oss;
  42
  43                         oss << value;
  44
  45                         oss >> s;
  46
  47                         //if(unit.size() != 0)
  48                         //{
  49                         //      s += "(Unit=\"" + unit + "\")";
  50                         //}
  51
  52                         return s;
  53                 }
  54
  55                 bool FloatValue::equals(const Value* other)
  56                 {
  57                         FloatValue* o = (FloatValue*)other;
  58
  59                         return (this->value < o->value);
  60
  61                 }
  62
  63                 std::string FloatValue::isValid()
  64                 {
  65                         if(dataBoard == NULL)
  66                         {
  67                                 return "There is no datatype.";
  68                         }
  69
  70                         Databoard::Type::FloatType* floatType = (Databoard::Type::FloatType*)dataBoard;
  71
  72                         if(floatType->getRange() == NULL)
  73                         {
  74                                 return STR_EMPTY;
  75                         }
  76
  77                         double minValue = floatType->minValue();
  78                         double maxValue = floatType->maxValue();
  79
  80                         if(floatType->getRange()->getLower()->getInclusive() == true)
  81                         {
  82                                 if(value < minValue)
  83                                 {
  84                                         return std::string("FloatValue: ") + STR_ERROR_VALUE_SMALL;
  85                                 }
  86                         }
  87                         else //if(integerType->getRange()->getLower()->getInclusive() == false)
  88                         {
  89                                 if(value < minValue || (abs(value-minValue) < FLT_EPSILON))
  90                                 {
  91                                         return std::string("FloatValue: ") + STR_ERROR_VALUE_SMALL;
  92                                 }
  93                         }
  94
  95                         if(floatType->getRange()->getUpper()->getInclusive() == true)
  96                         {
  97                                 if(value > maxValue)
  98                                 {
  99                                         return std::string("FloatValue: ") + STR_ERROR_VALUE_LARGE;
 100                                 }
 101                         }
 102                         else //if(integerType->getRange()->getUpper()->getInclusive() == false)
 103                         {
 104                                 if(value > maxValue || (abs(value-minValue) > FLT_EPSILON))
 105                                 {
 106                                         return std::string("FloatValue: ") + STR_ERROR_VALUE_LARGE;
 107                                 }
 108                         }
 109
 110                         return STR_EMPTY;
 111                 }
 112         }
 113 }