NMSIS-DSP
Version 1.2.0
NMSIS DSP Software Library
|
Macros | |
#define | CFFTINIT_F64(LEN) |
Functions | |
void | riscv_cfft_f64 (const riscv_cfft_instance_f64 *S, float64_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag) |
Processing function for the Double Precision floating-point complex FFT. More... | |
CFFTINIT_F64 (4096) | |
Initialization function for the cfft f64 function with 4096 samples. More... | |
CFFTINIT_F64 (2048) | |
Initialization function for the cfft f64 function with 2048 samples. More... | |
CFFTINIT_F64 (1024) | |
Initialization function for the cfft f64 function with 1024 samples. More... | |
CFFTINIT_F64 (512) | |
Initialization function for the cfft f64 function with 512 samples. More... | |
CFFTINIT_F64 (256) | |
Initialization function for the cfft f64 function with 256 samples. More... | |
CFFTINIT_F64 (128) | |
Initialization function for the cfft f64 function with 128 samples. More... | |
CFFTINIT_F64 (64) | |
Initialization function for the cfft f64 function with 64 samples. More... | |
CFFTINIT_F64 (32) | |
Initialization function for the cfft f64 function with 32 samples. More... | |
CFFTINIT_F64 (16) | |
Initialization function for the cfft f64 function with 16 samples. More... | |
riscv_status | riscv_cfft_init_f64 (riscv_cfft_instance_f64 *S, uint16_t fftLen) |
Generic initialization function for the cfft f64 function. More... | |
#define CFFTINIT_F64 | ( | LEN | ) |
CFFTINIT_F64 | ( | 1024 | ) |
Initialization function for the cfft f64 function with 1024 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 128 | ) |
Initialization function for the cfft f64 function with 128 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 16 | ) |
Initialization function for the cfft f64 function with 16 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 2048 | ) |
Initialization function for the cfft f64 function with 2048 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 256 | ) |
Initialization function for the cfft f64 function with 256 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 32 | ) |
Initialization function for the cfft f64 function with 32 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 4096 | ) |
Initialization function for the cfft f64 function with 4096 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 512 | ) |
Initialization function for the cfft f64 function with 512 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
CFFTINIT_F64 | ( | 64 | ) |
Initialization function for the cfft f64 function with 64 samples.
[in,out] | S | points to an instance of the floating-point CFFT structure |
void riscv_cfft_f64 | ( | const riscv_cfft_instance_f64 * | S, |
float64_t * | p1, | ||
uint8_t | ifftFlag, | ||
uint8_t | bitReverseFlag | ||
) |
Processing function for the Double Precision floating-point complex FFT.
[in] | S | points to an instance of the Double Precision floating-point CFFT structure |
[in,out] | p1 | points to the complex data buffer of size 2*fftLen . Processing occurs in-place |
[in] | ifftFlag | flag that selects transform direction
|
[in] | bitReverseFlag | flag that enables / disables bit reversal of output
|
riscv_status riscv_cfft_init_f64 | ( | riscv_cfft_instance_f64 * | S, |
uint16_t | fftLen | ||
) |
Generic initialization function for the cfft f64 function.
[in,out] | S | points to an instance of the floating-point CFFT structure |
[in] | fftLen | fft length (number of complex samples) |