Class generator_cossin¶

`class` generator_cossin<T, VecWidth> base ¶

template <typename T, size_t VecWidth = internal::generator_width<T>(1)>
struct generator_cossin : public generator<T, VecWidth, generator_cossin<T, VecWidth>> { … }

Generator that produces interleaved cosine and sine values

\\[ x_i = \begin{cases} \cos(start + i \cdot step), & \text{if } i \text{ is even}\\ \sin(start + i \cdot step), & \text{otherwise} \end{cases} \\]

Template parameters
T	Value type.
VecWidth	Native vector width (must be even).

`constructor` generator_cossin<T, VecWidth>(T, T) ¶

generator_cossin(T start, T step)

Constructs an interleaved cosine/sine generator.

Parameters
start	Starting phase.
step	Phase increment between successive values.

Fully qualified name: kfr::generator_cossin<T, VecWidth>::generator_cossin<T, VecWidth>(T, T)

Declared at base/generators.hpp:365

`function` sync(T) ¶

Reinitializes the generator so the next vector starts at phase start.

Parameters
start	Starting phase.

Fully qualified name: kfr::generator_cossin<T, VecWidth>::sync(T)

Declared at base/generators.hpp:375

`function` next() ¶

Advances the rotation by one native vector width using the recurrence relation.

Fully qualified name: kfr::generator_cossin<T, VecWidth>::next()

Declared at base/generators.hpp:381

`variable` step ¶

T step

Fully qualified name: kfr::generator_cossin<T, VecWidth>::step

Declared at base/generators.hpp:387

`variable` alpha ¶

T alpha

Fully qualified name: kfr::generator_cossin<T, VecWidth>::alpha

Declared at base/generators.hpp:388

`variable` beta ¶

T beta

Fully qualified name: kfr::generator_cossin<T, VecWidth>::beta

Declared at base/generators.hpp:389

`function` init_cossin(T, T) ¶

Initializes a vector of interleaved cosine/sine pairs with angular frequency w and starting phase phase.

Parameters
w	Angular frequency increment per sample.
phase	Starting phase.

Returns
	Vector of interleaved cosine and sine values.

Fully qualified name: kfr::generator_cossin<T, VecWidth>::init_cossin(T, T)

Declared at base/generators.hpp:397

Fully qualified name: kfr::generator_cossin<T, VecWidth>

Declared at base/generators.hpp:357

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Class generator_cossin¶