# arm_cfft_radix4_init_q31.c File Reference

`#include "arm_math.h"`
`#include "arm_common_tables.h"`

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## Functions

arm_status | arm_cfft_radix4_init_q31 (arm_cfft_radix4_instance_q31 *S, uint16_t fftLen, uint8_t ifftFlag, uint8_t bitReverseFlag)

## Variables

static const q31_t | twiddleCoefQ31 [2048]

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