CMSIS-DSP
Version 1.5.1
CMSIS DSP Software Library
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Functions | |
arm_status | arm_dct4_init_q31 (arm_dct4_instance_q31 *S, arm_rfft_instance_q31 *S_RFFT, arm_cfft_radix4_instance_q31 *S_CFFT, uint16_t N, uint16_t Nby2, q31_t normalize) |
Initialization function for the Q31 DCT4/IDCT4. More... | |
Variables | |
static const q31_t | WeightsQ31_128 [256] |
static const q31_t | WeightsQ31_512 [1024] |
static const q31_t | WeightsQ31_2048 [4096] |
static const q31_t | WeightsQ31_8192 [16384] |
static const q31_t | cos_factorsQ31_128 [128] |
static const q31_t | cos_factorsQ31_512 [512] |
static const q31_t | cos_factorsQ31_2048 [2048] |
static const q31_t | cos_factorsQ31_8192 [8192] |