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

Static Public Member Functions
template<typename RealType >
static RealType	pow2 (int n) throw ()

template<typename RealType >
static RealType	shiftf (RealType x, int n) throw ()

Detailed Description

Return or multiply by powers of 2.

With some compilers it's fastest to do a table lookup of powers of

If RANDOMLIB_POWERTABLE is 1, a lookup table is used. If RANDOMLIB_POWERTABLE is 0, then std::pow is used.

Definition at line 26 of file RandomPower2.hpp.

Member Enumeration Documentation

anonymous enum

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

Definition at line 55 of file RandomPower2.hpp.

template<typename RealType >

static RealType RandomLib::RandomPower2::pow2	(	int	n	)
throw	(
	)

inlinestatic

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

Parameters

[in] n the integer power.

Definition at line 34 of file RandomPower2.hpp.

template<typename RealType >

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

inlinestatic

Multiply a real by a power of 2

Template Parameters

RealType the type of x.

Parameters

[in]	x	the real number.
[in]	n	the power (positive or negative).

Definition at line 50 of file RandomPower2.hpp.

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