| private MakeInteger ( bool &fFraction ) : void | ||
| fFraction | bool | |
| Результат | void | |
// Floor - next largest integer smaller or equal to the numeric
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public static SqlDecimal Floor(SqlDecimal n)
{
n.AssertValid();
if (n.IsNull)
return SqlDecimal.Null;
if (n.m_bScale == 0)
return n;
bool fFraction; //Fractional flag
n.MakeInteger(out fFraction);
//When the numeric has fraction and is negative, subtract 1 by calling AddULong(1)
//Otherwise return the integral part.
if (fFraction && !n.IsPositive)
{
n.AddULong(1);
}
if (n.FZero())//if result is zero, sign should be positive
n.SetPositive();
n.AssertValid();
return n;
}
public static SqlDecimal Floor(SqlDecimal n)
{
if (n.IsNull)
{
return Null;
}
if (n.m_bScale != 0)
{
bool flag;
n.MakeInteger(out flag);
if (flag && !n.IsPositive)
{
n.AddULong(1);
}
if (n.FZero())
{
n.SetPositive();
}
}
return n;
}