approx.hpp File Reference

#include <dsp/common.hpp>

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Namespaces
namespace	rack
	Root namespace for the Rack API.
namespace	rack::dsp
	Digital signal processing routines and classes.

Functions
template<typename T , size_t N>
T	rack::dsp::polyDirect (const T(&a)[N], T x)
	Evaluates a polynomial with coefficients a[n] at x.
template<typename T , size_t N>
T	rack::dsp::polyHorner (const T(&a)[N], T x)
	Evaluates a polynomial with coefficients a[n] at x.
template<typename T , size_t N>
T	rack::dsp::polyEstrin (const T(&a)[N], T x)
	Evaluates a polynomial with coefficients a[n] at x.
template<typename T >
T	rack::dsp::exp2Floor (T x, T *xf)
	Returns 2^floor(x).
template<>
float	rack::dsp::exp2Floor (float x, float *xf)
template<>
simd::float_4	rack::dsp::exp2Floor (simd::float_4 x, simd::float_4 *xf)
template<typename T >
T	rack::dsp::approxExp2Floor (T x, T *xf)
	Deprecated alias of exp2Floor()
template<typename T >
T	rack::dsp::exp2_taylor5 (T x)
	Returns 2^x with at most 6e-06 relative error.
template<typename T >
T	rack::dsp::approxExp2_taylor5 (T x)
	Deprecated alias of exp2_taylor5()