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/liblc3-latest/src/
Dmdct.c219 float *d0 = d, *d1 = d + nd; in mdct_window() local
222 *(--y0) = *d0 * *(w0++) - *(--x1) * *(--w1); in mdct_window()
223 *(y1++) = (*(d0++) = *(x0++)) * *(w2++); in mdct_window()
225 *(--y0) = *d0 * *(w0++) - *(--x1) * *(--w1); in mdct_window()
226 *(y1++) = (*(d0++) = *(x0++)) * *(w2++); in mdct_window()
230 *(--y0) = *d0 * *(w0++) - *(--d1) * *(--w1); in mdct_window()
231 *(y1++) = (*(d0++) = *(x0++)) * *(w2++) + (*d1 = *(--x1)) * *(--w3); in mdct_window()
233 *(--y0) = *d0 * *(w0++) - *(--d1) * *(--w1); in mdct_window()
234 *(y1++) = (*(d0++) = *(x0++)) * *(w2++) + (*d1 = *(--x1)) * *(--w3); in mdct_window()
/liblc3-latest/test/
Dmdct.py180 (y, d0) = lc3.mdct_inverse(dt, sr, C.X_HAT_SNS[i0][0], np.zeros(nd))
185 ok = ok and np.amax(np.abs(dr - d0)) < 1e-1
187 (y, d1) = lc3.mdct_inverse(dt, sr, C.X_HAT_SNS[i0][1], d0)
188 yr[ :nd] = C.T_HAT_MDCT[i0][1][ns-nd:ns] + d0