uhd::math Namespace Reference

Namespaces
namespace	fp_compare

Enumerations
enum class	interp_mode { NEAREST_NEIGHBOR , LINEAR }

Functions
UHD_INLINE bool	frequencies_are_equal (double lhs, double rhs)
double	dB_to_lin (const double dB_val)
double	lin_to_dB (const double val)
template<typename IntegerType >
IntegerType	lcm (IntegerType x, IntegerType y)
	Portable version of lcm() across Boost versions. More...
template<typename IntegerType >
IntegerType	gcd (IntegerType x, IntegerType y)
	Portable version of gcd() across Boost versions. More...
template<typename T >
constexpr int	sign (T x)
	Returns the sign of x. More...
double	wrap_frequency (const double requested_freq, const double rate)
	Return a wrapped frequency that is the equivalent frequency in the first. More...

Detailed Description

Contains useful mathematical functions, classes, and constants, which should be used in UHD when portable / std options are not available.

Enumeration Type Documentation

interp_mode

enum class uhd::math::interp_mode

strong

Enumerator
NEAREST_NEIGHBOR
LINEAR

Function Documentation

dB_to_lin()

double uhd::math::dB_to_lin ( const double  dB_val )

inline

frequencies_are_equal()

UHD_INLINE bool uhd::math::frequencies_are_equal	(	double	lhs,
		double	rhs
	)

gcd()

template<typename IntegerType >

IntegerType uhd::math::gcd ( IntegerType  x, IntegerType  y  )

inline

Portable version of gcd() across Boost versions.

lcm()

template<typename IntegerType >

IntegerType uhd::math::lcm ( IntegerType  x, IntegerType  y  )

inline

Portable version of lcm() across Boost versions.

lin_to_dB()

double uhd::math::lin_to_dB ( const double  val )

inline

sign()

template<typename T >

constexpr int uhd::math::sign ( T  x )

inlineconstexpr

Returns the sign of x.

wrap_frequency()

double uhd::math::wrap_frequency ( const double  requested_freq, const double  rate  )

inline

Return a wrapped frequency that is the equivalent frequency in the first.