#include <stddef.h>
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Macros | |
| #define | MUFFT_RESTRICT |
| Portable variant of C99 restrict keyword. More... | |
| #define | MUFFT_FORWARD (-1) |
| The forward FFT transform. More... | |
| #define | MUFFT_INVERSE (1) |
| The inverse FFT transform. More... | |
| #define | MUFFT_FLAG_CPU_ANY (0) |
| muFFT will use any SIMD instruction set it can if supported by the CPU. More... | |
| #define | MUFFT_FLAG_CPU_NO_SIMD ((1 << 16) - 1) |
| muFFT will not use any SIMD instruction set. More... | |
| #define | MUFFT_FLAG_CPU_NO_AVX (1 << 0) |
| muFFT will not use the AVX instruction set. More... | |
| #define | MUFFT_FLAG_CPU_NO_SSE3 (1 << 1) |
| muFFT will not use the SSE3 instruction set. More... | |
| #define | MUFFT_FLAG_CPU_NO_SSE (1 << 2) |
| muFFT will not use the SSE instruction set. More... | |
| #define | MUFFT_FLAG_FULL_R2C (1 << 16) |
| The real-to-complex 1D transform will also output the redundant conjugate values X(N - k) = X(k)*. More... | |
| #define | MUFFT_FLAG_ZERO_PAD_UPPER_HALF (1 << 17) |
| #define | MUFFT_CONV_METHOD_FLAG_MONO_MONO 0 |
| The convolution will convolve a single channel of data with a single channel filter. More... | |
| #define | MUFFT_CONV_METHOD_FLAG_STEREO_MONO 1 |
| #define | MUFFT_CONV_METHOD_FLAG_ZERO_PAD_UPPER_HALF_FIRST (1 << 2) |
| The first block is assumed to be zero padded as defined by MUFFT_FLAG_ZERO_PAD_UPPER_HALF. More... | |
| #define | MUFFT_CONV_METHOD_FLAG_ZERO_PAD_UPPER_HALF_SECOND (1 << 3) |
| The second block is assumed to be zero padded as defined by MUFFT_FLAG_ZERO_PAD_UPPER_HALF. More... | |
| #define | MUFFT_CONV_BLOCK_FIRST 0 |
| The first block. More... | |
| #define | MUFFT_CONV_BLOCK_SECOND 1 |
| The second block. More... | |
Typedefs | |
| typedef struct mufft_plan_1d | mufft_plan_1d |
| Opaque type representing a 1D FFT. More... | |
| typedef struct mufft_plan_conv | mufft_plan_conv |
| Opaque type representing a plan to convolve data. More... | |
| typedef void(* | mufft_convolve_func) (void *output, const void *a, const void *b, float normalization, unsigned samples) |
| Vector complex multiply routine signature. More... | |
| typedef struct mufft_plan_2d | mufft_plan_2d |
| Opaque type representing a 2D FFT. More... | |
Functions | |
| mufft_plan_1d * | mufft_create_plan_1d_c2c (unsigned N, int direction, unsigned flags) |
| Create a plan for a 1D complex-to-complex inverse or forward FFT. More... | |
| mufft_plan_1d * | mufft_create_plan_1d_r2c (unsigned N, unsigned flags) |
| Create a plan for real-to-complex forward transform. More... | |
| mufft_plan_1d * | mufft_create_plan_1d_c2r (unsigned N, unsigned flags) |
| Create a plan for complex-to-real inverse transform. More... | |
| void | mufft_execute_plan_1d (mufft_plan_1d *plan, void *output, const void *input) |
| Executes a 1D FFT plan. More... | |
| void | mufft_free_plan_1d (mufft_plan_1d *plan) |
| Free a previously allocated 1D FFT plan. More... | |
| mufft_plan_conv * | mufft_create_plan_conv (unsigned N, unsigned flags, unsigned method) |
| Create a plan to convolve zero-padded input data of length N with zero-padded input data of length N. More... | |
| void | mufft_execute_conv_input (mufft_plan_conv *plan, unsigned block, void *output, const void *input) |
| Applies forward FFT of either first or second input block. More... | |
| size_t | mufft_conv_get_transformed_block_size (mufft_plan_conv *plan) |
| Queries the buffer size for intermediate FFT blocks. More... | |
| void | mufft_execute_conv_output (mufft_plan_conv *plan, void *output, const void *input_first, const void *input_second) |
| Multiply together FFTs of the two input arrays obtained from mufft_execute_conv_input and perform a normalized inverse FFT. More... | |
| void | mufft_free_plan_conv (mufft_plan_conv *plan) |
| Free a previously allocated convolution plan obtained from mufft_create_plan_conv. More... | |
| mufft_convolve_func | mufft_get_convolve_func (unsigned flags) |
| Gets a function pointer which implements complex multiplication (convolution in frequency domain). More... | |
| mufft_plan_2d * | mufft_create_plan_2d_c2c (unsigned Nx, unsigned Ny, int direction, unsigned flags) |
| Create a plan for a 2D complex-to-complex inverse or forward FFT. More... | |
| mufft_plan_2d * | mufft_create_plan_2d_r2c (unsigned Nx, unsigned Ny, unsigned flags) |
| Create a plan for a 2D real-to-complex forward FFT. More... | |
| mufft_plan_2d * | mufft_create_plan_2d_c2r (unsigned Nx, unsigned Ny, unsigned flags) |
| Create a plan for a 2D complex-to-real inverse FFT. More... | |
| void | mufft_execute_plan_2d (mufft_plan_2d *plan, void *output, const void *input) |
| Executes a 2D FFT plan. More... | |
| void | mufft_free_plan_2d (mufft_plan_2d *plan) |
| Free a previously allocated 2D FFT plan. More... | |
| void * | mufft_alloc (size_t size) |
| Allocate aligned storage suitable for muFFT. Must be freed with mufft_free. More... | |
| void * | mufft_calloc (size_t size) |
| Allocate zeroed out aligned storage suitable for muFFT. Same as calloc(), but aligned. Must be freed with mufft_free. More... | |
| void | mufft_free (void *ptr) |
| Free previously allocated storage obtained from mufft_alloc or mufft_calloc. More... | |
Detailed Description
muFFT public API
Macro Definition Documentation
◆ MUFFT_RESTRICT
| #define MUFFT_RESTRICT |
Portable variant of C99 restrict keyword.
