public static SqlDecimal Power(SqlDecimal n, double exp)
{
if (n.IsNull)
{
return Null;
}
return new SqlDecimal(Math.Pow(n.ToDouble(), exp));
}
public static SqlString ConvertToChineseMoney(SqlDecimal money)
{
// 在此处放置代码
return new SqlString(ConvertToChinese(money.ToDouble()));
}
// Power - Compute the power of a numeric
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public static SqlDecimal Power(SqlDecimal n, double exp)
{
n.AssertValid();
if (n.IsNull)
return SqlDecimal.Null;
byte prec = n.Precision;
int scale = n.Scale;
double dBaseNum = n.ToDouble();
n = new SqlDecimal(Math.Pow(dBaseNum, exp));
n.AdjustScale(scale - (int)n.Scale, true);
n.m_bPrec = MaxPrecision;
return n;
}
public static SqlByte op_Explicit(SqlDecimal x)
{
if(x.IsNull)
return SqlByte.Null;
double val = x.ToDouble();
if (val < 0 || val > 255)
throw new OverflowException("Arithmetic Overflow.");
return new SqlByte((byte)val);
}
public static SqlDecimal Power(SqlDecimal n, double exp)
{
if (n.IsNull)
{
return Null;
}
byte precision = n.Precision;
int scale = n.Scale;
double x = n.ToDouble();
n = new SqlDecimal(Math.Pow(x, exp));
n.AdjustScale(scale - n.Scale, true);
n.m_bPrec = MaxPrecision;
return n;
}
