Lines Matching refs:k
504 int i, j, k; in InitBitRevTable() local
512 k = FFT_N / 2; in InitBitRevTable()
513 while (k <= j) in InitBitRevTable()
515 j -= k; in InitBitRevTable()
516 k /= 2; in InitBitRevTable()
518 j += k; in InitBitRevTable()
524 int i, j, k, ik, h, d, k2; in FFT() local
551 for (k = 1; k < FFT_N; k = k2) in FFT()
554 k2 = k + k; in FFT()
556 for (j = 0; j < k; j++) in FFT()
562 ik = i + k; in FFT()
585 int i, j, k, ik, h, d, k2; in IFFT() local
610 for (k = 1; k < FFT_N; k = k2) in IFFT()
613 k2 = k + k; in IFFT()
615 for (j = 0; j < k; j++) in IFFT()
621 ik = i + k; in IFFT()