public static double ObjectToDouble(object obj, double defaultVal = 0D)
{
if (obj is null)
{
return(defaultVal);
}
if (obj is double myself)
{
return(myself);
}
if (obj is string str)
{
return(StringToDouble(str, defaultVal));
}
str = obj.ToString();
if (StringDoubleDeterminer.Is(str))
{
return(StringToDouble(str, defaultVal));
}
try
{
return(Convert.ToDouble(ObjectToDecimal(obj)));
}
catch
{
return(defaultVal);
}
}
public static double?StringToNullableDouble(string str)
{
if (StringDoubleDeterminer.Is(str))
{
return(StringDoubleDeterminer.To(str));
}
return(null);
}
public static bool __numericIs(string s, Type type, Action <object> action, NumberStyles?numberStyle, IFormatProvider provider) => type == TypeClass.ByteClazz && StringByteDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <byte>(action)) || type == TypeClass.SByteClazz && StringSByteDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <sbyte>(action)) || type == TypeClass.Int16Clazz && StringShortDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <short>(action)) || type == TypeClass.UInt16Clazz && StringUShortDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <ushort>(action)) || type == TypeClass.Int32Clazz && StringIntDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <int>(action)) || type == TypeClass.UInt32Clazz && StringUIntDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <uint>(action)) || type == TypeClass.Int64Clazz && StringLongDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <long>(action)) || type == TypeClass.UInt64Clazz && StringULongDeterminer.Is(s, numberStyle ?? INT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <ulong>(action)) || type == TypeClass.FloatClazz && StringFloatDeterminer.Is(s, numberStyle ?? FLT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <float>(action)) || type == TypeClass.DoubleClazz && StringDoubleDeterminer.Is(s, numberStyle ?? FLT_NUMBER_STYLE, provider, ValueConverter.ConvertAct <double>(action)) || type == TypeClass.DecimalClazz && StringDecimalDeterminer.Is(s, numberStyle ?? DEM_NUMBER_STYLE, provider, ValueConverter.ConvertAct <decimal>(action));
/// <summary> /// Is double /// </summary> /// <param name="str"></param> /// <returns></returns> public static bool IsDouble(this string str) => StringDoubleDeterminer.Is(str);