public static bool operator ==(Quantity arg1, Quantity arg2)
{
bool isEqual = ((object)arg1) == ((object)arg2);
if (!isEqual)
{
StandardUnit unit1 = ((object)arg1) == null ? new StandardUnit() : arg1.Unit;
StandardUnit unit2 = ((object)arg2) == null ? new StandardUnit() : arg2.Unit;
if (((object)arg1) != null)
{
double value1 = arg1.Value;
if (((object)arg2) != null)
{
double value2 = arg2.Value;
if (unit1 != null && unit1.HasPrefix())
{
value1 *= StandardPrefixes.Multiplier(unit1.Prefix);
}
if (unit2 != null && unit2.HasPrefix())
{
value2 *= StandardPrefixes.Multiplier(unit2.Prefix);
}
isEqual = value1.Equals(value2);
}
}
}
return(isEqual);
}
private void InitQuantity(string value, out string remainder)
{
var number = new StringBuilder();
var unit = new StringBuilder();
string nextWord = Physical.NextWord(value, out remainder).Trim();
if (!double.TryParse(nextWord, out _value))
{
foreach (char c in nextWord)
{
if (Char.IsNumber(c) || c == PLUS[0] || c == MINUS[0] || c == DECIMAL[0])
{
number.Append(c);
}
else
{
unit.Append(c);
}
}
double.TryParse(number.ToString(), out _value);
}
else
{
unit.Append(Physical.NextWord(remainder, out remainder));
}
_unit = new StandardUnit(unit.ToString());
_unit.ValueChanged += _unit_ValueChanged;
}
public static Quantity operator -(Quantity arg1, Quantity arg2)
{
StandardUnit unit1 = arg1.Unit;
StandardUnit unit2 = arg2.Unit;
if (unit1 == null && unit2 != null)
{
unit1 = unit2.Clone() as StandardUnit;
}
string prefix1 = unit1 == null ? "" : unit1.Prefix;
string prefix2 = unit2 == null ? "" : unit2.Prefix;
double value1 = arg1.Value;
double value2 = arg2.Value;
if (prefix1 != null)
{
value1 *= StandardPrefixes.Multiplier(prefix1);
}
if (prefix2 != null)
{
value2 *= StandardPrefixes.Multiplier(prefix2);
}
double value = value1 - value2;
if (prefix1 != null)
{
value /= StandardPrefixes.Multiplier(prefix1);
}
var q = new Quantity(Convert.ToDecimal(value));
if (unit1 != null)
{
q.Unit = unit1.Clone() as StandardUnit;
}
return(q);
}
public object Clone()
{
var clone = new StandardUnit(Prefix, Unit);
return clone;
}
private void InitQuantity(string value, out string remainder)
{
var number = new StringBuilder();
var unit = new StringBuilder();
string nextWord = Physical.NextWord(value, out remainder).Trim();
if (!double.TryParse(nextWord, out _value))
{
foreach (char c in nextWord)
{
if (Char.IsNumber(c) || c == PLUS[0] || c == MINUS[0] || c == DECIMAL[0])
number.Append(c);
else
unit.Append(c);
}
double.TryParse(number.ToString(), out _value);
}
else
{
unit.Append(Physical.NextWord(remainder, out remainder));
}
_unit = new StandardUnit(unit.ToString());
_unit.ValueChanged += _unit_ValueChanged;
}
public object Clone()
{
var clone = new StandardUnit(Prefix, Unit);
return(clone);
}
