• Split_complex = 0
• Interleaved_complex = 1

Derived classes

• vtb::opencl::Fourier_transform< C, 2 >
• vtb::opencl::Fourier_transform< T, N >

Types

• using int1 = blitz::TinyVector< int, 1 >
• using int2 = blitz::TinyVector< int, 2 >
• using int3 = blitz::TinyVector< int, 3 >

Methods

• precompile(const int3 & max_power, Context * context) -> void

  Compile the code for each power of 2 up to max_power.

• context() -> Context *
• context(Context * rhs) -> void
• shape(const int3 & rhs) -> void
• shape() const -> const int3 &
• dump(std::ostream & out) -> void
• backward(clx::buffer x, int batch_size = 1) -> void
• forward(clx::buffer x, int batch_size = 1) -> void
• enqueue(clx::buffer x, int direction, int batch_size = 1) -> void
• Fourier_transform_base(const int3 & shape)explicit
• Fourier_transform_base()

Base classes

• public vtb::opencl::Chirp_Z_transform_base

Types

• using shape_type = blitz::TinyVector< int, N >

Methods

• transform(clx::buffer x, int dir) -> void
• backward(clx::buffer x) -> void
• forward(clx::buffer x) -> void
• shape(const shape_type & rhs) -> void
• shape() const -> const shape_type &
• Chirp_Z_transform(const shape_type & shp)explicit
• Chirp_Z_transform()

Base classes

• private vtb::opencl::Fourier_transform_base

Types

• using shape_type = blitz::TinyVector< int, N >

Methods

• precompile(const shape_type & shp, Context * context) -> void
• dump(std::ostream & out) -> void
• context() -> Context *
• context(Context * rhs) -> void
• backward(clx::buffer x, int batch_size = 1) -> void
• forward(clx::buffer x, int batch_size = 1) -> void
• shape(const shape_type & rhs) -> void
• shape() const -> shape_type
• Fourier_transform(const shape_type & shape)explicit
• Fourier_transform()

Derived classes

• vtb::opencl::Chirp_Z_transform< T, N >

Fields

• clx::kernel _zero_init
• clx::kernel _mult3
• clx::kernel _mult2
• clx::kernel _mult1
• clx::kernel _reciprocal_chirp
• clx::kernel _makechirp
• Buffer< C > _xp
• Buffer< C > _ichirp
• Buffer< C > _chirp
• fft_type _fft

Methods

• make_chirp(const int3 & shape, const int3 & fft_shape) -> voidprotected
• context() -> Context *
• context(Context * rhs) -> void
• enqueue(clx::buffer x, int direction, int batch_size = 1) -> void

Fields

• bool in_place_possible
• int axis
• int num_workitems_per_workgroup
• int num_xforms_per_workgroup
• int num_workgroups
• int lmem_size
• std::string name
• clx::kernel kernel