DUNE PDELab (git)

Class implementing different number representations and helper functions. More...

Modules

 FloatCmp
 

Classes

class  Dune::bigunsignedint< k >
 Portable very large unsigned integers. More...
 
struct  Dune::IsNumber< T >
 Whether this type acts as a scalar in the context of (hierarchically blocked) containers. More...
 
struct  Dune::IsNumber< bigunsignedint< k > >
 Declare big unsigned int is a number. More...
 
class  Dune::GMPField< precision >
 Number class for high precision floating point number using the GMP library mpf_class implementation. More...
 

Functions

 Dune::bigunsignedint< k >::bigunsignedint ()
 Construct uninitialized.
 
template<typename Signed >
 Dune::bigunsignedint< k >::bigunsignedint (Signed x, typename std::enable_if< std::is_integral< Signed >::value &&std::is_signed< Signed >::value >::type *=0)
 Construct from signed int.
 
 Dune::bigunsignedint< k >::bigunsignedint (std::uintmax_t x)
 Construct from unsigned int.
 
std::uint_least32_t Dune::bigunsignedint< k >::touint () const
 export to other types
 
double Dune::bigunsignedint< k >::todouble () const
 Convert to a double. More...
 
void Dune::bigunsignedint< k >::print (std::ostream &s) const
 Print number in hex notation.
 
bigunsignedint< k > & Dune::bigunsignedint< k >::operator++ ()
 prefix increment
 
bigunsignedint< k > Dune::bigunsignedint< k >::operator~ () const
 bitwise complement
 
bigunsignedint< k > Dune::bigunsignedint< k >::operator<< (int i) const
 left shift
 
bigunsignedint< k > Dune::bigunsignedint< k >::operator>> (int i) const
 right shift
 
bool Dune::bigunsignedint< k >::operator!= (const bigunsignedint< k > &x) const
 not equal
 
bool Dune::bigunsignedint< k >::operator== (const bigunsignedint< k > &x) const
 equal
 
bool Dune::bigunsignedint< k >::operator< (const bigunsignedint< k > &x) const
 less than
 
bool Dune::bigunsignedint< k >::operator<= (const bigunsignedint< k > &x) const
 less than or equal
 
bool Dune::bigunsignedint< k >::operator> (const bigunsignedint< k > &x) const
 greater than
 
bool Dune::bigunsignedint< k >::operator>= (const bigunsignedint< k > &x) const
 greater or equal
 

Detailed Description

Class implementing different number representations and helper functions.

Function Documentation

◆ todouble()

template<int k>
double Dune::bigunsignedint< k >::todouble
inline

Convert to a double.

Warning
Subject to rounding errors!
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