bertini::NumTraits< real_mp > Struct Reference

Numeric traits for multiprecision reals (digit counts follow the thread precision). More...

#include <num_traits.hpp>

Public Types
using	Real = real_mp
	The real companion type.
using	Complex = complex_mp
	The complex companion type.

Static Public Member Functions
static unsigned	NumDigits ()
	The number of significant digits (the current thread precision).
static unsigned	NumFuzzyDigits ()
	The number of digits to trust for fuzzy comparisons.
static unsigned	TolToDigits (real_mp tol)
	Convert a tracking tolerance to a number of significant digits.
static real_mp	FromString (std::string const &s)
	Parse a multiprecision real from a string.
static real_mp	FromRational (mpq_rational const &n, unsigned precision)
	Convert an exact rational to a multiprecision real at the given precision.

Detailed Description

Numeric traits for multiprecision reals (digit counts follow the thread precision).

Member Typedef Documentation

Complex

using bertini::NumTraits< real_mp >::Complex = complex_mp

The complex companion type.

Real

using bertini::NumTraits< real_mp >::Real = real_mp

The real companion type.

Member Function Documentation

FromRational()

real_mp bertini::NumTraits< real_mp >::FromRational ( mpq_rational const & n, unsigned precision )

inlinestatic

Convert an exact rational to a multiprecision real at the given precision.

FromString()

real_mp bertini::NumTraits< real_mp >::FromString ( std::string const & s )

inlinestatic

Parse a multiprecision real from a string.

NumDigits()

unsigned bertini::NumTraits< real_mp >::NumDigits ( )

inlinestatic

The number of significant digits (the current thread precision).

NumFuzzyDigits()

unsigned bertini::NumTraits< real_mp >::NumFuzzyDigits ( )

inlinestatic

The number of digits to trust for fuzzy comparisons.

TolToDigits()

unsigned bertini::NumTraits< real_mp >::TolToDigits ( real_mp tol )

inlinestatic

Convert a tracking tolerance to a number of significant digits.