Class FastFourierTransform

Hierarchy

FastFourierTransform

Index

Constructors

constructor

Properties

_cs
_sn

Methods

Constructors

constructor

new FastFourierTransform(order: Size): FastFourierTransform

- Defined in ql/math/fastfouriertransform.ts:9
Parameters
- order: Size
Returns FastFourierTransform

Properties

Private _cs

_cs: Real[]

Private _sn

_sn: Real[]

Methods

inverse_transform

inverse_transform(input: Complex[], output: Complex[]): void

- Defined in ql/math/fastfouriertransform.ts:46
Inverse FFT transform.

The output sequence must be allocated by the user.

Parameters
- input: Complex[]
- output: Complex[]
Returns void

output_size

output_size(): Size

- Defined in ql/math/fastfouriertransform.ts:28
The required size for the output vector

Returns Size

transform

transform(input: Complex[], output: Complex[]): void

- Defined in ql/math/fastfouriertransform.ts:37
FFT transform.

The output sequence must be allocated by the user

Parameters
- input: Complex[]
- output: Complex[]
Returns void

Private transform_impl

transform_impl(input: Complex[], output: Complex[], inverse: boolean): void

- Defined in ql/math/fastfouriertransform.ts:50
Parameters
- input: Complex[]
- output: Complex[]
- inverse: boolean
Returns void

Static bit_reverse

bit_reverse(x: Size, order: Size): Size

- Defined in ql/math/fastfouriertransform.ts:78
Parameters
- x: Size
- order: Size
Returns Size

Static min_order

min_order(inputSize: Size): Size

- Defined in ql/math/fastfouriertransform.ts:23
the minimum order required for the given input size

Parameters
- inputSize: Size
Returns Size