/// <summary>
/// 1乗以上の項が存在するときに、そのあとにつなげて書くときの定数項の値表示。
/// </summary>
public static string ZeroOrderCoeffToString(WWComplex c)
{
if (c.Magnitude() == 0)
{
return("");
}
if (c.imaginary == 0)
{
if (c.real < 0)
{
return(string.Format(" {0}", c.real));
}
else
{
return(string.Format(" +{0}", c.real));
}
}
if (c.real == 0)
{
if (c.imaginary == 1)
{
return(string.Format(" {0}", WWComplex.imaginaryUnit));
}
if (c.imaginary == -1)
{
return(string.Format(" -{0}", WWComplex.imaginaryUnit));
}
if (c.imaginary < 0)
{
return(string.Format(" {0}{1}", c.imaginary, WWComplex.imaginaryUnit));
}
else
{
return(string.Format(" +{0}{1}", c.imaginary, WWComplex.imaginaryUnit));
}
}
if (c.real < 0)
{
return(c.ToString());
}
else
{
return(string.Format(" +{0}", c));
}
}
