RandomLib::RandomPower2 Class Reference

Return or multiply by powers of 2. More...

#include <RandomLib-2010-01/RandomPower2.hpp>

List of all members.

Public Types
enum	{ minpow = -64, maxpow = 64 }
Static Public Member Functions
template<typename RealType >
static RealType	pow2 (int n) throw ()
template<typename RealType >
static RealType	shiftf (RealType x, int n) throw ()

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Detailed Description

Return or multiply by powers of 2.

With some compilers it's fastest to do a table lookup of powers of 2. If RANDOM_POWERTABLE is 1, a lookup table is used. If RANDOM_POWERTABLE is 0, then std::pow is used.

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Member Enumeration Documentation

anonymous enum

Enumerator:

minpow	Minimum power in RandomPower2::power2
maxpow	Maximum power in RandomPower2::power2.

Definition at line 46 of file RandomPower2.hpp.

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Member Function Documentation

template<typename RealType >

static RealType RandomLib::RandomPower2::pow2

(

int

n

)

throw () [inline, static]

Return powers of 2 (either using a lookup table or std::pow)

Definition at line 30 of file RandomPower2.hpp.

References minpow.

template<typename RealType >

static RealType RandomLib::RandomPower2::shiftf	(	RealType	x,
		int	n
	)		throw () [inline, static]

Multiply a real by a power of 2

Definition at line 41 of file RandomPower2.hpp.

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The documentation for this class was generated from the following file:

• RandomPower2.hpp