dune-common 2.10
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Topics | Classes | Macros | Functions
Numbers
Common

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

Collaboration diagram for Numbers:

Topics

 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...

Macros

#define DUNE_BINOP(OP)

Functions

template<int k>
std::ostream & Dune::operator<< (std::ostream &s, const bigunsignedint< k > &x)
template<int k>
bigunsignedint< k > Dune::operator+ (const bigunsignedint< k > &x, std::uintmax_t y)
template<int k>
bigunsignedint< k > Dune::operator- (const bigunsignedint< k > &x, std::uintmax_t y)
template<int k>
bigunsignedint< k > Dune::operator* (const bigunsignedint< k > &x, std::uintmax_t y)
template<int k>
bigunsignedint< k > Dune::operator/ (const bigunsignedint< k > &x, std::uintmax_t y)
template<int k>
bigunsignedint< k > Dune::operator% (const bigunsignedint< k > &x, std::uintmax_t y)
template<int k>
bigunsignedint< k > Dune::operator+ (std::uintmax_t x, const bigunsignedint< k > &y)
template<int k>
bigunsignedint< k > Dune::operator- (std::uintmax_t x, const bigunsignedint< k > &y)
template<int k>
bigunsignedint< k > Dune::operator* (std::uintmax_t x, const bigunsignedint< k > &y)
template<int k>
bigunsignedint< k > Dune::operator/ (std::uintmax_t x, const bigunsignedint< k > &y)
template<int k>
bigunsignedint< k > Dune::operator% (std::uintmax_t x, const bigunsignedint< k > &y)
 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.
void Dune::bigunsignedint< k >::print (std::ostream &s) const
 Print number in hex notation.
bigunsignedint< k > & Dune::bigunsignedint< k >::operator+= (const bigunsignedint< k > &x)
bigunsignedint< k > & Dune::bigunsignedint< k >::operator-= (const bigunsignedint< k > &x)
bigunsignedint< k > & Dune::bigunsignedint< k >::operator*= (const bigunsignedint< k > &x)
bigunsignedint< k > & Dune::bigunsignedint< k >::operator++ ()
 prefix increment
bigunsignedint< k > & Dune::bigunsignedint< k >::operator/= (const bigunsignedint< k > &x)
bigunsignedint< k > & Dune::bigunsignedint< k >::operator%= (const bigunsignedint< k > &x)
bigunsignedint< k > & Dune::bigunsignedint< k >::operator&= (const bigunsignedint< k > &x)
bigunsignedint< k > & Dune::bigunsignedint< k >::operator^= (const bigunsignedint< k > &x)
bigunsignedint< k > & Dune::bigunsignedint< k >::operator|= (const bigunsignedint< k > &x)
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.

Macro Definition Documentation

◆ DUNE_BINOP

#define DUNE_BINOP ( OP)
Value:
template <int k> \
inline bigunsignedint<k> bigunsignedint<k>::operator OP (const bigunsignedint<k> &x) const \
{ \
auto temp = *this; \
temp OP##= x; \
return temp; \
}

Function Documentation

◆ bigunsignedint() [1/3]

template<int k>
Dune::bigunsignedint< k >::bigunsignedint ( )

Construct uninitialized.

◆ bigunsignedint() [2/3]

template<int k>
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.

◆ bigunsignedint() [3/3]

template<int k>
Dune::bigunsignedint< k >::bigunsignedint ( std::uintmax_t x)

Construct from unsigned int.

◆ operator!=()

template<int k>
bool Dune::bigunsignedint< k >::operator!= ( const bigunsignedint< k > & x) const
inline

not equal

◆ operator%() [1/2]

template<int k>
bigunsignedint< k > Dune::operator% ( const bigunsignedint< k > & x,
std::uintmax_t y )
inline

◆ operator%() [2/2]

template<int k>
bigunsignedint< k > Dune::operator% ( std::uintmax_t x,
const bigunsignedint< k > & y )
inline

◆ operator%=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator%= ( const bigunsignedint< k > & x)
inline

◆ operator&=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator&= ( const bigunsignedint< k > & x)
inline

◆ operator*() [1/2]

template<int k>
bigunsignedint< k > Dune::operator* ( const bigunsignedint< k > & x,
std::uintmax_t y )
inline

◆ operator*() [2/2]

template<int k>
bigunsignedint< k > Dune::operator* ( std::uintmax_t x,
const bigunsignedint< k > & y )
inline

◆ operator*=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator*= ( const bigunsignedint< k > & x)
inline

◆ operator+() [1/2]

template<int k>
bigunsignedint< k > Dune::operator+ ( const bigunsignedint< k > & x,
std::uintmax_t y )
inline

◆ operator+() [2/2]

template<int k>
bigunsignedint< k > Dune::operator+ ( std::uintmax_t x,
const bigunsignedint< k > & y )
inline

◆ operator++()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator++ ( )
inline

prefix increment

◆ operator+=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator+= ( const bigunsignedint< k > & x)
inline

◆ operator-() [1/2]

template<int k>
bigunsignedint< k > Dune::operator- ( const bigunsignedint< k > & x,
std::uintmax_t y )
inline

◆ operator-() [2/2]

template<int k>
bigunsignedint< k > Dune::operator- ( std::uintmax_t x,
const bigunsignedint< k > & y )
inline

◆ operator-=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator-= ( const bigunsignedint< k > & x)
inline

◆ operator/() [1/2]

template<int k>
bigunsignedint< k > Dune::operator/ ( const bigunsignedint< k > & x,
std::uintmax_t y )
inline

◆ operator/() [2/2]

template<int k>
bigunsignedint< k > Dune::operator/ ( std::uintmax_t x,
const bigunsignedint< k > & y )
inline

◆ operator/=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator/= ( const bigunsignedint< k > & x)
inline

◆ operator<()

template<int k>
bool Dune::bigunsignedint< k >::operator< ( const bigunsignedint< k > & x) const
inline

less than

◆ operator<<() [1/2]

template<int k>
bigunsignedint< k > Dune::bigunsignedint< k >::operator<< ( int i) const
inline

left shift

◆ operator<<() [2/2]

template<int k>
std::ostream & Dune::operator<< ( std::ostream & s,
const bigunsignedint< k > & x )
inline

◆ operator<=()

template<int k>
bool Dune::bigunsignedint< k >::operator<= ( const bigunsignedint< k > & x) const
inline

less than or equal

◆ operator==()

template<int k>
bool Dune::bigunsignedint< k >::operator== ( const bigunsignedint< k > & x) const
inline

equal

◆ operator>()

template<int k>
bool Dune::bigunsignedint< k >::operator> ( const bigunsignedint< k > & x) const
inline

greater than

◆ operator>=()

template<int k>
bool Dune::bigunsignedint< k >::operator>= ( const bigunsignedint< k > & x) const
inline

greater or equal

◆ operator>>()

template<int k>
bigunsignedint< k > Dune::bigunsignedint< k >::operator>> ( int i) const
inline

right shift

◆ operator^=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator^= ( const bigunsignedint< k > & x)
inline

◆ operator|=()

template<int k>
bigunsignedint< k > & Dune::bigunsignedint< k >::operator|= ( const bigunsignedint< k > & x)
inline

◆ operator~()

template<int k>
bigunsignedint< k > Dune::bigunsignedint< k >::operator~ ( ) const
inline

bitwise complement

◆ print()

template<int k>
void Dune::bigunsignedint< k >::print ( std::ostream & s) const
inline

Print number in hex notation.

◆ todouble()

template<int k>
double Dune::bigunsignedint< k >::todouble ( ) const
inline

Convert to a double.

Warning
Subject to rounding errors!

◆ touint()

template<int k>
std::uint_least32_t Dune::bigunsignedint< k >::touint ( ) const
inline

export to other types

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