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@ -1,98 +1,6 @@
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#include "TransformQ15.h"
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#include "Error.h"
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#include "arm_const_structs.h"
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#define CFFT_INIT(typ, suffix, S, fftLen) \
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\
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{ \
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\
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/* Initialise the default arm status */ \
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arm_status status = ARM_MATH_SUCCESS; \
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\
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/* Initialise the FFT length */ \
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S->fftLen = fftLen; \
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\
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/* Initialise the Twiddle coefficient pointer */ \
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S->pTwiddle = (typ *)twiddleCoef_4096_##suffix; \
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\
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\
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/* Initializations of Instance structure depending on the FFT length */\
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switch (S->fftLen) { \
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\
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\
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/* Initializations of structure parameters for 2048 point FFT */ \
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case 2048U: \
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/* Initialise the bit reversal table modifier */ \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_2048; \
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S->pTwiddle = (typ *)twiddleCoef_2048_##suffix; \
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break; \
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\
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/* Initializations of structure parameters for 1024 point FFT */ \
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case 1024U: \
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/* Initialise the bit reversal table modifier */ \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_1024; \
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S->pTwiddle = (typ *)twiddleCoef_1024_##suffix; \
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break; \
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\
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/* Initializations of structure parameters for 512 point FFT */ \
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case 512U: \
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/* Initialise the bit reversal table modifier */ \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_512; \
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S->pTwiddle = (typ *)twiddleCoef_512_##suffix; \
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break; \
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\
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case 256U: \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_256; \
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S->pTwiddle = (typ *)twiddleCoef_256_##suffix; \
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\
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break; \
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\
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case 128U: \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_128; \
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S->pTwiddle = (typ *)twiddleCoef_128_##suffix; \
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\
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break; \
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\
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case 64U: \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_64; \
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S->pTwiddle = (typ *)twiddleCoef_64_##suffix; \
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break; \
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\
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case 32U: \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_32; \
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S->pTwiddle = (typ *)twiddleCoef_32_##suffix; \
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break; \
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\
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case 16U: \
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/* Initializations of structure parameters for 16 point FFT */ \
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S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH; \
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S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_16; \
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S->pTwiddle = (typ *)twiddleCoef_16_##suffix; \
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break; \
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\
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\
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default: \
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/* Reporting argument error if fftSize is not valid value */ \
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status = ARM_MATH_ARGUMENT_ERROR; \
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break; \
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} \
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\
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\
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return (status); \
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\
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}
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arm_status arm_cfft_init_q15(arm_cfft_instance_q15 *S, uint16_t fftLen)
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{
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CFFT_INIT(q15_t, q15, S, fftLen);
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}
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void TransformQ15::test_cfft_q15()
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{
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