static mpf_t getd()
{
mpf_t d = new mpf_t();
gmp_lib.mpf_init(d);
char_ptr value = new char_ptr("1000000000000000000000000");
gmp_lib.mpf_set_str(d, value, 10);
return(d);
}
public void Add(string hastings)
{
var s = new char_ptr(hastings);
mpf_t x = new mpf_t();
gmp_lib.mpf_init(x);
gmp_lib.mpf_set_str(x, s, 10);
gmp_lib.free(s);
gmp_lib.mpf_div(x, x, d);
gmp_lib.mpf_add(value, value, x);
gmp_lib.mpf_clear(x);
}
/// <summary>
/// Return the string representation of the float.
/// </summary>
/// <returns>The string representation of the float.</returns>
public override string ToString()
{
if (!_initialized)
{
return(null);
}
mpfr_exp_t exp = 0;
char_ptr s_ptr = mpfr_lib.mpfr_get_str(char_ptr.Zero, ref exp, 10, 0, this, mpfr_lib.mpfr_get_default_rounding_mode());
string s = s_ptr.ToString();
gmp_lib.free(s_ptr);
if (s.StartsWith("-", StringComparison.Ordinal))
{
return("-0." + s.Substring(1) + "e" + exp.Value.ToString(System.Globalization.CultureInfo.InvariantCulture));
}
else
{
return("0." + s + "e" + exp.Value.ToString(System.Globalization.CultureInfo.InvariantCulture));
}
}
