| # Note: nothing exposed in this pxd header is considered public API; |
| # we copy this to sdist only because it's needed at runtime to support |
| # cuFFT callbacks |
|
|
| from libc.stdint cimport intptr_t |
|
|
| cdef extern from *: |
| ctypedef float Float 'cufftReal' |
| ctypedef double Double 'cufftDoubleReal' |
| ctypedef int Result 'cufftResult_t' |
|
|
| IF CUPY_HIP_VERSION > 0: |
| ctypedef int Handle 'cufftHandle' |
| ELSE: |
| ctypedef struct hipHandle 'hipfftHandle_t': |
| pass |
| ctypedef hipHandle* Handle 'cufftHandle' |
|
|
| ctypedef enum Type 'cufftType_t': |
| pass |
|
|
|
|
| cpdef enum: |
| CUFFT_C2C = 0x29 |
| CUFFT_R2C = 0x2a |
| CUFFT_C2R = 0x2c |
| CUFFT_Z2Z = 0x69 |
| CUFFT_D2Z = 0x6a |
| CUFFT_Z2D = 0x6c |
|
|
| CUFFT_FORWARD = -1 |
| CUFFT_INVERSE = 1 |
|
|
| CUFFT_CB_LD_COMPLEX = 0x0, |
| CUFFT_CB_LD_COMPLEX_DOUBLE = 0x1, |
| CUFFT_CB_LD_REAL = 0x2, |
| CUFFT_CB_LD_REAL_DOUBLE = 0x3, |
| CUFFT_CB_ST_COMPLEX = 0x4, |
| CUFFT_CB_ST_COMPLEX_DOUBLE = 0x5, |
| CUFFT_CB_ST_REAL = 0x6, |
| CUFFT_CB_ST_REAL_DOUBLE = 0x7, |
|
|
|
|
| cpdef get_current_plan() |
| cpdef int getVersion() except? -1 |
| |
| |
| cdef class Plan1d: |
| cdef: |
| readonly intptr_t handle |
| readonly object work_area # can be MemoryPointer or a list of it |
| readonly int nx |
| readonly int batch |
| readonly Type fft_type |
| |
| readonly list gpus |
| list batch_share |
| list gather_streams |
| list gather_events |
| dict scatter_streams |
| dict scatter_events |
| intptr_t xtArr |
| list xtArr_buffer |
| |
| void _single_gpu_get_plan( |
| self, Handle plan, int nx, int fft_type, int batch) except* |
| void _multi_gpu_get_plan( |
| self, Handle plan, int nx, int fft_type, int batch, |
| devices, out) except* |
| |
| |
| cdef class PlanNd: |
| cdef: |
| readonly intptr_t handle |
| readonly object work_area # memory.MemoryPointer |
| readonly tuple shape |
| readonly Type fft_type |
| readonly str order |
| readonly int last_axis |
| readonly object last_size |
| |
| # TODO(leofang): support multi-GPU transforms |
| readonly list gpus |
| |
| |
| cdef class XtPlanNd: |
| cdef: |
| readonly intptr_t handle |
| readonly object work_area # memory.MemoryPointer |
| readonly tuple shape |
| readonly int itype |
| readonly int otype |
| readonly int etype |
| readonly str order |
| readonly int last_axis |
| readonly object last_size |
| |
| # TODO(leofang): support multi-GPU transforms |
| readonly list gpus |
| |
