CGAL 4.5 - Number Types
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Classes | |
class | Protect_FPU_rounding |
The class Protect_FPU_rounding allows to reduce the number of rounding mode changes when evaluating sequences of interval arithmetic operations. More... | |
class | Set_ieee_double_precision |
The class Set_ieee_double_precision provides a mechanism to set the correct 53 bits precision for a block of code. More... | |
class | Gmpfi |
An object of the class Gmpfi is a closed interval, with endpoints represented as Gmpfr floating-point numbers. More... | |
class | Gmpfr |
An object of the class Gmpfr is a fixed precision floating-point number, based on the Mpfr library. More... | |
class | Gmpq |
An object of the class Gmpq is an arbitrary precision rational number based on the Gmp library. More... | |
class | Gmpz |
An object of the class Gmpz is an arbitrary precision integer based on the Gmp Library. More... | |
class | Gmpzf |
An object of the class Gmpzf is a multiple-precision floating-point number which can represent numbers of the form m∗2e, where m is an arbitrary precision integer based on the Gmp library, and e is of type long . More... | |
class | Interval_nt |
The class Interval_nt provides an interval arithmetic number type. More... | |
class | Lazy_exact_nt |
An object of the class Lazy_exact_nt<NT> is able to represent any real embeddable number which NT is able to represent. More... | |
class | MP_Float |
An object of the class MP_Float is able to represent a floating point value with arbitrary precision. More... | |
class | Mpzf |
An object of the class Mpzf is a multiple-precision floating-point number which can represent numbers of the form m∗2e, where m is an arbitrary precision integer based on the GMP library, and e is of type int . More... | |
class | NT_converter |
A number type converter usable as default, for Cartesian_converter and Homogeneous_converter . More... | |
class | Number_type_checker |
Number_type_checker is a number type whose instances store two numbers of types NT1 and NT2 . More... | |
class | Quotient |
An object of the class Quotient<NT> is an element of the field of quotients of the integral domain type NT . More... | |
class | Rational_traits |
The class Rational_traits can be used to determine the type of the numerator and denominator of a rational number type as Quotient , Gmpq , mpq_class or leda_rational . More... | |
class | Root_of_traits |
For a RealEmbeddable IntegralDomain RT , the class template Root_of_traits<RT> associates a type Root_of_2 , which represents algebraic numbers of degree 2 over RT . More... | |
class | Sqrt_extension |
An instance of this class represents an extension of the type NT by one square root of the type ROOT . More... | |
class | Is_valid |
Not all values of a type need to be valid. More... | |
class | Max |
The function object class Max returns the larger of two values. More... | |
class | Min |
The function object class Min returns the smaller of two values. More... | |
Typedefs | |
typedef Interval_nt< false > | Interval_nt_advanced |
This typedef (at namespace CGAL scope) exists for backward compatibility, as well as removing the need to remember the Boolean value for the template parameter. | |
typedef unspecified_type | Exact_integer |
Exact_integer is an exact integer number type. More... | |
typedef unspecified_type | Exact_rational |
Exact_rational is an exact rational number type, constructible from double . More... | |
Functions | |
bool | is_finite (double x) |
Determines whether the argument represents a value in R. | |
bool | is_finite (float x) |
Determines whether the argument represents a value in R. | |
bool | is_finite (long double x) |
Determines whether the argument represents a value in R. | |
template<typename RT , typename OutputIterator > | |
OutputIterator | compute_roots_of_2 (const RT &a, const RT &b, const RT &c, OutputIterator oit) |
The function compute_roots_of_2() solves a univariate polynomial as it is defined by the coefficients given to the function. More... | |
template<typename RT > | |
Root_of_traits< RT >::Root_of_2 | make_root_of_2 (const RT &a, const RT &b, const RT &c, bool s) |
The function make_root_of_2() constructs an algebraic number of degree 2 over a ring number type. More... | |
template<typename RT > | |
Root_of_traits< RT >::Root_of_2 | make_root_of_2 (RT alpha, RT beta, RT gamma) |
The function make_root_of_2() constructs an algebraic number of degree 2 over a ring number type. More... | |
template<typename RT > | |
Root_of_traits< RT >::Root_of_2 | make_sqrt (const RT &x) |
The function make_sqrt() constructs a square root of a given value of type RT. More... | |
template<typename Rational > | |
Rational | simplest_rational_in_interval (double d1, double d2) |
computes the rational number with the smallest denominator in the interval [d1,d2] . More... | |
template<typename Rational > | |
Rational | to_rational (double d) |
computes the rational number that equals d . More... | |
template<typename T > | |
bool | is_valid (const T &x) |
Not all values of a type need to be valid. More... | |
template<typename T > | |
T | max (const T &x, const T &y) |
Returns the larger of two values. More... | |
template<typename T > | |
T | min (const T &x, const T &y) |
Returns the smaller of two values. More... | |