public static SqlExpression MathTanh(
[Type(typeof(double))] SqlExpression d)
{
var exp2d = SqlDml.Exp(SqlDml.Literal(2) * d);
var one = SqlDml.Literal(1);
return((exp2d - one) / (exp2d + one));
}
public static SqlExpression MathSinh(
[Type(typeof(double))] SqlExpression d)
{
return((SqlDml.Exp(d) - SqlDml.Exp(-d)) / SqlDml.Literal(2));
}
public static SqlExpression MathExp(
[Type(typeof(double))] SqlExpression d)
{
return(SqlDml.Exp(d));
}