Uint.h File Reference

Detailed Description

Author

Florian Schornbaum flori.nosp@m.an.s.nosp@m.chorn.nosp@m.baum.nosp@m.@fau..nosp@m.de

#include "core/Abort.h"
#include "core/DataTypes.h"
#include "core/debug/Debug.h"
#include <type_traits>

Classes
struct	walberla::math::uintFromBitWidth< 8 >
struct	walberla::math::uintFromBitWidth< 16 >
struct	walberla::math::uintFromBitWidth< 32 >
struct	walberla::math::uintFromBitWidth< 64 >
struct	walberla::math::leastUnsignedInteger< minSize >
	Provides the smallest unsigned integer type that has at least minSize bits. More...

Namespaces
namespace	walberla
	Storage for detected contacts which can be used to perform actions for all contacts, e.g.
namespace	walberla::math

Macros
#define	msbLT(n)   n, n, n, n, n, n, n, n, n, n, n, n, n, n, n, n

Functions
template<typename UINT >
bool	walberla::math::uintIsEven (const UINT value)
	Returns true only if 'value' is an even number.
template<typename UINT >
bool	walberla::math::uintIsPowerOfTwo (const UINT value)
	Returns true only if 'value' (must be an unsigned integer) is a power of 2 (http://graphics.stanford.edu/~seander/bithacks.html)
template<typename UINT >
UINT	walberla::math::uintPow2 (const UINT exp)
	Returns the result of 2^exp.
template<typename UINT >
UINT	walberla::math::uintPow4 (UINT exp)
	Returns the result of 4^exp.
template<typename UINT >
UINT	walberla::math::uintPow8 (UINT exp)
	Returns the result of 8^exp.
template<typename UINT >
UINT	walberla::math::uintPow16 (UINT exp)
	Returns the result of 16^exp.
template<typename UINT >
uint_t	walberla::math::uintMSBPosition (UINT value)
	Calculation of the position of the most significant bit of a variable of type UINT.
template<>
uint_t	walberla::math::uintMSBPosition< uint64_t > (uint64_t value)
template<>
uint_t	walberla::math::uintMSBPosition< uint32_t > (uint32_t value)
template<>
uint_t	walberla::math::uintMSBPosition< uint16_t > (uint16_t value)
template<>
uint_t	walberla::math::uintMSBPosition< uint8_t > (uint8_t value)
constexpr uint_t	walberla::math::leastUnsignedIntegerBitWidth (uint_t width)

Variables
static const std::array< uint8_t, 256 >	walberla::math::msbLookupTable

Macro Definition Documentation

msbLT

#define msbLT

(

n

)

n, n, n, n, n, n, n, n, n, n, n, n, n, n, n, n