ToDouble() public méthode

public ToDouble ( ) : double
Résultat double
        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()));
 }
Exemple #3
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        // 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;
        }
Exemple #4
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        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;
 }