FreeCalypso > hg > gsm-codec-lib
changeset 58:d285877fc4cc
libgsmefr: cod_12k2.c compiles
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 25 Nov 2022 18:50:50 +0000 |
| parents | e005e7b91f3c |
| children | 8de2f0f9bd78 |
| files | libgsmefr/Makefile libgsmefr/cod_12k2.c libgsmefr/memops.h |
| diffstat | 3 files changed, 112 insertions(+), 353 deletions(-) [+] |
line wrap: on
line diff
--- a/libgsmefr/Makefile Fri Nov 25 17:24:48 2022 +0000 +++ b/libgsmefr/Makefile Fri Nov 25 18:50:50 2022 +0000 @@ -1,11 +1,11 @@ CC= gcc CFLAGS= -O2 -OBJS= agc.o autocorr.o az_lsp.o basicop2.o c1035pf.o dec_create.o \ +OBJS= agc.o autocorr.o az_lsp.o basicop2.o c1035pf.o cod_12k2.o dec_create.o \ enc_create.o frame2params.o params2frame.o sid_class.o sid_insert.o \ tls_flags.o HDRS= basic_op.h cnst.h codec.h d_homing.h dec_state.h dtx.h e_homing.h \ - enc_state.h gains_tb.h gsm_efr.h namespace.h no_count.h oper_32b.h \ - sig_proc.h typedef.h vad.h + enc_state.h gains_tb.h gsm_efr.h memops.h namespace.h no_count.h \ + oper_32b.h sig_proc.h typedef.h vad.h LIB= libgsmefr.a INSTALL_PREFIX= /usr/local
--- a/libgsmefr/cod_12k2.c Fri Nov 25 17:24:48 2022 +0000 +++ b/libgsmefr/cod_12k2.c Fri Nov 25 18:50:50 2022 +0000 @@ -15,12 +15,16 @@ ***************************************************************************/ +#include "gsm_efr.h" #include "typedef.h" +#include "namespace.h" #include "basic_op.h" #include "sig_proc.h" -#include "count.h" +#include "memops.h" +#include "no_count.h" #include "codec.h" #include "cnst.h" +#include "enc_state.h" #include "window2.tab" @@ -42,36 +46,6 @@ * L_INTERPOL : Length of filter for interpolation * *-----------------------------------------------------------*/ -/*--------------------------------------------------------* - * Static memory allocation. * - *--------------------------------------------------------*/ - - /* Speech vector */ - -static Word16 old_speech[L_TOTAL]; -static Word16 *speech, *p_window, *p_window_mid; -Word16 *new_speech; /* Global variable */ - - /* Weight speech vector */ - -static Word16 old_wsp[L_FRAME + PIT_MAX]; -static Word16 *wsp; - - /* Excitation vector */ - -static Word16 old_exc[L_FRAME + PIT_MAX + L_INTERPOL]; -static Word16 *exc; - - /* Zero vector */ - -static Word16 ai_zero[L_SUBFR + MP1]; -static Word16 *zero; - - /* Impulse response vector */ - -static Word16 *h1; -static Word16 hvec[L_SUBFR * 2]; - /* Spectral expansion factors */ static const Word16 F_gamma1[M] = @@ -85,16 +59,6 @@ 1529, 917, 550, 330, 198 }; - /* Lsp (Line spectral pairs) */ - -static Word16 lsp_old[M]; -static Word16 lsp_old_q[M]; - - /* Filter's memory */ - -static Word16 mem_syn[M], mem_w0[M], mem_w[M]; -static Word16 mem_err[M + L_SUBFR], *error; - /*************************************************************************** * FUNCTION: Init_Coder_12k2 * @@ -107,54 +71,36 @@ * ***************************************************************************/ -void Init_Coder_12k2 (void) +void Init_Coder_12k2 (struct EFR_encoder_state *st) { - -/*--------------------------------------------------------------------------* - * Initialize pointers to speech vector. * - *--------------------------------------------------------------------------*/ - - new_speech = old_speech + L_TOTAL - L_FRAME;/* New speech */ - speech = new_speech; /* Present frame */ - p_window = old_speech + L_TOTAL - L_WINDOW; /* For LPC window */ - p_window_mid = p_window; /* For LPC window */ - - /* Initialize static pointers */ - - wsp = old_wsp + PIT_MAX; - exc = old_exc + PIT_MAX + L_INTERPOL; - zero = ai_zero + MP1; - error = mem_err + M; - h1 = &hvec[L_SUBFR]; - /* Static vectors to zero */ - Set_zero (old_speech, L_TOTAL); - Set_zero (old_exc, PIT_MAX + L_INTERPOL); - Set_zero (old_wsp, PIT_MAX); - Set_zero (mem_syn, M); - Set_zero (mem_w, M); - Set_zero (mem_w0, M); - Set_zero (mem_err, M); - Set_zero (zero, L_SUBFR); - Set_zero (hvec, L_SUBFR); /* set to zero "h1[-L_SUBFR..-1]" */ + Set_zero (st->old_speech, L_TOTAL); + Set_zero (st->old_exc, PIT_MAX + L_INTERPOL); + Set_zero (st->old_wsp, PIT_MAX); + Set_zero (st->mem_syn, M); + Set_zero (st->mem_w, M); + Set_zero (st->mem_w0, M); + Set_zero (st->mem_err, M); + Set_zero (st->ai_zero + MP1, L_SUBFR); + Set_zero (st->hvec, L_SUBFR); /* set to zero "h1[-L_SUBFR..-1]" */ /* Initialize lsp_old [] */ - lsp_old[0] = 30000; - lsp_old[1] = 26000; - lsp_old[2] = 21000; - lsp_old[3] = 15000; - lsp_old[4] = 8000; - lsp_old[5] = 0; - lsp_old[6] = -8000; - lsp_old[7] = -15000; - lsp_old[8] = -21000; - lsp_old[9] = -26000; + st->lsp_old[0] = 30000; + st->lsp_old[1] = 26000; + st->lsp_old[2] = 21000; + st->lsp_old[3] = 15000; + st->lsp_old[4] = 8000; + st->lsp_old[5] = 0; + st->lsp_old[6] = -8000; + st->lsp_old[7] = -15000; + st->lsp_old[8] = -21000; + st->lsp_old[9] = -26000; /* Initialize lsp_old_q[] */ - Copy (lsp_old, lsp_old_q, M); + Copy (st->lsp_old, st->lsp_old_q, M); return; } @@ -184,10 +130,20 @@ ***************************************************************************/ void Coder_12k2 ( + struct EFR_encoder_state *st, Word16 ana[], /* output : Analysis parameters */ Word16 synth[] /* output : Local synthesis */ ) { + /* handy pointers that were static vars in the original code */ + Word16 *speech = st->old_speech + L_TOTAL - L_FRAME; + Word16 *p_window = st->old_speech + L_TOTAL - L_WINDOW; + Word16 *wsp = st->old_wsp + PIT_MAX; + Word16 *exc = st->old_exc + PIT_MAX + L_INTERPOL; + Word16 *zero = st->ai_zero + MP1; + Word16 *h1 = st->hvec + L_SUBFR; + Word16 *error = st->mem_err + M; + /* LPC coefficients */ Word16 r_l[MP1], r_h[MP1]; /* Autocorrelations lo and hi */ @@ -218,11 +174,6 @@ Word16 scal_acf, VAD_flag, lags[2], rc[4]; - extern Word16 ptch; - extern Word16 txdtx_ctrl, CN_excitation_gain; - extern Word32 L_pn_seed_tx; - extern Word16 dtx_mode; - /*----------------------------------------------------------------------* * - Perform LPC analysis: (twice per frame) * * * autocorrelation + lag windowing * @@ -235,82 +186,44 @@ /* LP analysis centered at 2nd subframe */ - - scal_acf = Autocorr (p_window_mid, M, r_h, r_l, window_160_80); + scal_acf = Autocorr (p_window, M, r_h, r_l, window_160_80); /* Autocorrelations */ -#if (WMOPS) - fwc (); /* function worst case */ -#endif - Lag_window (M, r_h, r_l); /* Lag windowing */ -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Levinson (r_h, r_l, &A_t[MP1], rc); /* Levinson-Durbin */ + Levinson (st, r_h, r_l, &A_t[MP1], rc); /* Levinson-Durbin */ -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Az_lsp (&A_t[MP1], lsp_mid, lsp_old); /* From A(z) to lsp */ - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + Az_lsp (&A_t[MP1], lsp_mid, st->lsp_old); /* From A(z) to lsp */ /* LP analysis centered at 4th subframe */ /* Autocorrelations */ scal_acf = Autocorr (p_window, M, r_h, r_l, window_232_8); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - Lag_window (M, r_h, r_l); /* Lag windowing */ -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Levinson (r_h, r_l, &A_t[MP1 * 3], rc); /* Levinson-Durbin */ - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + Levinson (st, r_h, r_l, &A_t[MP1 * 3], rc); /* Levinson-Durbin */ Az_lsp (&A_t[MP1 * 3], lsp_new, lsp_mid); /* From A(z) to lsp */ -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - if (dtx_mode == 1) + if (st->dtx_mode) { /* DTX enabled, make voice activity decision */ - VAD_flag = vad_computation (r_h, r_l, scal_acf, rc, ptch); - move16 (); - - tx_dtx (VAD_flag, &txdtx_ctrl); /* TX DTX handler */ + VAD_flag = vad_computation (st, r_h, r_l, scal_acf, rc, st->ptch); + tx_dtx (st, VAD_flag); /* TX DTX handler */ } else { /* DTX disabled, active speech in every frame */ VAD_flag = 1; - txdtx_ctrl = TX_VAD_FLAG | TX_SP_FLAG; + st->txdtx_ctrl = TX_VAD_FLAG | TX_SP_FLAG; } /* LSP quantization (lsp_mid[] and lsp_new[] jointly quantized) */ - Q_plsf_5 (lsp_mid, lsp_new, lsp_mid_q, lsp_new_q, ana, txdtx_ctrl); + Q_plsf_5 (st, lsp_mid, lsp_new, lsp_mid_q, lsp_new_q, ana, st->txdtx_ctrl); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - ana += 5; move16 (); + ana += 5; /*--------------------------------------------------------------------* * Find interpolated LPC parameters in all subframes (both quantized * @@ -319,23 +232,15 @@ * and the quantized interpolated parameters are in array Aq_t[] * *--------------------------------------------------------------------*/ - Int_lpc2 (lsp_old, lsp_mid, lsp_new, A_t); + Int_lpc2 (st->lsp_old, lsp_mid, lsp_new, A_t); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - test (); logic16 (); - if ((txdtx_ctrl & TX_SP_FLAG) != 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) != 0) { - Int_lpc (lsp_old_q, lsp_mid_q, lsp_new_q, Aq_t); + Int_lpc (st->lsp_old_q, lsp_mid_q, lsp_new_q, Aq_t); /* update the LSPs for the next frame */ - for (i = 0; i < M; i++) - { - lsp_old[i] = lsp_new[i]; move16 (); - lsp_old_q[i] = lsp_new_q[i]; move16 (); - } + Copy (lsp_new, st->lsp_old, M); + Copy (lsp_new_q, st->lsp_old_q, M); } else { @@ -349,17 +254,10 @@ } /* update the LSPs for the next frame */ - for (i = 0; i < M; i++) - { - lsp_old[i] = lsp_new[i]; move16 (); - lsp_old_q[i] = lsp_new[i]; move16 (); - } + Copy (lsp_new, st->lsp_old, M); + Copy (lsp_new_q, st->lsp_old_q, M); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif - /*----------------------------------------------------------------------* * - Find the weighted input speech wsp[] for the whole speech frame * * - Find the open-loop pitch delay for first 2 subframes * @@ -372,27 +270,11 @@ { Weight_Ai (A, F_gamma1, Ap1); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - Weight_Ai (A, F_gamma2, Ap2); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - Residu (Ap1, &speech[i], &wsp[i], L_SUBFR); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Syn_filt (Ap2, &wsp[i], &wsp[i], L_SUBFR, mem_w, 1); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + Syn_filt (Ap2, &wsp[i], &wsp[i], L_SUBFR, st->mem_w, 1); A += MP1; move16 (); } @@ -401,47 +283,32 @@ T_op = Pitch_ol (wsp, PIT_MIN, PIT_MAX, L_FRAME_BY2); move16 (); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - lags[0] = T_op; move16 (); - test (); logic16 (); - if ((txdtx_ctrl & TX_SP_FLAG) != 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) != 0) { /* Range for closed loop pitch search in 1st subframe */ T0_min = sub (T_op, 3); - test (); - if (sub (T0_min, PIT_MIN) < 0) + if (T0_min < PIT_MIN) { T0_min = PIT_MIN; move16 (); } T0_max = add (T0_min, 6); - test (); - if (sub (T0_max, PIT_MAX) > 0) + if (T0_max > PIT_MAX) { T0_max = PIT_MAX; move16 (); T0_min = sub (T0_max, 6); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif } /* Find open loop pitch lag for last two subframes */ T_op = Pitch_ol (&wsp[L_FRAME_BY2], PIT_MIN, PIT_MAX, L_FRAME_BY2); - move16 (); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - if (dtx_mode == 1) + if (st->dtx_mode) { lags[1] = T_op; move16 (); - periodicity_update (lags, &ptch); + periodicity_update (st, lags); } /*----------------------------------------------------------------------* * Loop for every subframe in the analysis frame * @@ -470,9 +337,7 @@ for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR) { - - test (); logic16 (); - if ((txdtx_ctrl & TX_SP_FLAG) != 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) != 0) { /*---------------------------------------------------------------* @@ -481,37 +346,18 @@ Weight_Ai (A, F_gamma1, Ap1); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - Weight_Ai (A, F_gamma2, Ap2); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - /*---------------------------------------------------------------* * Compute impulse response, h1[], of weighted synthesis filter * *---------------------------------------------------------------*/ - for (i = 0; i <= M; i++) - { - ai_zero[i] = Ap1[i]; move16 (); - } + Copy (Ap1, st->ai_zero, M+1); - Syn_filt (Aq, ai_zero, h1, L_SUBFR, zero, 0); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + Syn_filt (Aq, st->ai_zero, h1, L_SUBFR, zero, 0); Syn_filt (Ap2, h1, h1, L_SUBFR, zero, 0); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - } /*---------------------------------------------------------------* * Find the target vector for pitch search: * @@ -519,44 +365,23 @@ Residu (Aq, &speech[i_subfr], res2, L_SUBFR); /* LPC residual */ -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - test (); logic16 (); - if ((txdtx_ctrl & TX_SP_FLAG) == 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) == 0) { /* Compute comfort noise excitation gain based on LP residual energy */ - CN_excitation_gain = compute_CN_excitation_gain (res2); - move16 (); + st->CN_excitation_gain = compute_CN_excitation_gain (res2); } else { Copy (res2, &exc[i_subfr], L_SUBFR); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Syn_filt (Aq, &exc[i_subfr], error, L_SUBFR, mem_err, 0); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + Syn_filt (Aq, &exc[i_subfr], error, L_SUBFR, st->mem_err, 0); Residu (Ap1, error, xn, L_SUBFR); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Syn_filt (Ap2, xn, xn, L_SUBFR, mem_w0, 0); /* target signal xn[]*/ - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + /* target signal xn[] */ + Syn_filt (Ap2, xn, xn, L_SUBFR, st->mem_w0, 0); /*--------------------------------------------------------------* * Closed-loop fractional pitch search * @@ -564,52 +389,35 @@ /* flag for first and 3th subframe */ pit_flag = i_subfr; move16 (); - test (); /* set t0_min and t0_max for 3th subf.*/ - if (sub (i_subfr, L_FRAME_BY2) == 0) + if (i_subfr == L_FRAME_BY2) { T0_min = sub (T_op, 3); - test (); - if (sub (T0_min, PIT_MIN) < 0) + if (T0_min < PIT_MIN) { T0_min = PIT_MIN; move16 (); } T0_max = add (T0_min, 6); - test (); - if (sub (T0_max, PIT_MAX) > 0) + if (T0_max > PIT_MAX) { T0_max = PIT_MAX; move16 (); T0_min = sub (T0_max, 6); } pit_flag = 0; move16 (); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif T0 = Pitch_fr6 (&exc[i_subfr], xn, h1, L_SUBFR, T0_min, T0_max, pit_flag, &T0_frac); move16 (); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - *ana = Enc_lag6 (T0, &T0_frac, &T0_min, &T0_max, PIT_MIN, PIT_MAX, pit_flag); - move16 (); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif } ana++; /* Incrementation of ana is done here to work also when no speech activity is present */ - test (); logic16 (); - - if ((txdtx_ctrl & TX_SP_FLAG) != 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) != 0) { /*---------------------------------------------------------------* @@ -623,28 +431,12 @@ Pred_lt_6 (&exc[i_subfr], T0, T0_frac, L_SUBFR); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - Convolve (&exc[i_subfr], h1, y1, L_SUBFR); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - gain_pit = G_pitch (xn, y1, L_SUBFR); move16 (); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - *ana = q_gain_pitch (&gain_pit); move16 (); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - } else { @@ -654,9 +446,7 @@ ana++; /* Incrementation of ana is done here to work also when no speech activity is present */ - test (); logic16 (); - - if ((txdtx_ctrl & TX_SP_FLAG) != 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) != 0) { /* xn2[i] = xn[i] - y1[i] * gain_pit */ /* res2[i] -= exc[i+i_subfr] * gain_pit */ @@ -672,10 +462,6 @@ res2[i] = sub (res2[i], extract_h (L_temp)); move16 (); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif - /*-------------------------------------------------------------* * - include pitch contribution into impulse resp. h1[] * *-------------------------------------------------------------*/ @@ -691,29 +477,19 @@ h1[i] = add (h1[i], temp); move16 (); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif - /*--------------------------------------------------------------* * - Innovative codebook search (find index and gain) * *--------------------------------------------------------------*/ code_10i40_35bits (xn2, res2, h1, code, y2, ana); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif - } else { - build_CN_code (code, &L_pn_seed_tx); + build_CN_code (code, &st->L_pn_seed_tx); } ana += 10; move16 (); - test (); logic16 (); - if ((txdtx_ctrl & TX_SP_FLAG) != 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) != 0) { /*-------------------------------------------------------* @@ -726,27 +502,14 @@ code[i] = add (code[i], temp); move16 (); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif - /*------------------------------------------------------* * - Quantization of fixed codebook gain. * *------------------------------------------------------*/ gain_code = G_code (xn2, y2); move16 (); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif - } - *ana++ = q_gain_code (code, L_SUBFR, &gain_code, txdtx_ctrl, i_subfr); - move16 (); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + *ana++ = q_gain_code (st, code, L_SUBFR, &gain_code, st->txdtx_ctrl, + i_subfr); /*------------------------------------------------------* * - Find the total excitation * @@ -766,41 +529,25 @@ exc[i + i_subfr] = round (L_temp); move16 (); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Syn_filt (Aq, &exc[i_subfr], &synth[i_subfr], L_SUBFR, mem_syn, 1); + Syn_filt (Aq, &exc[i_subfr], &synth[i_subfr], L_SUBFR, st->mem_syn, 1); -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - test (); logic16 (); - if ((txdtx_ctrl & TX_SP_FLAG) != 0) + if ((st->txdtx_ctrl & TX_SP_FLAG) != 0) { for (i = L_SUBFR - M, j = 0; i < L_SUBFR; i++, j++) { - mem_err[j] = sub (speech[i_subfr + i], synth[i_subfr + i]); - move16 (); + st->mem_err[j] = sub (speech[i_subfr + i], synth[i_subfr + i]); temp = extract_h (L_shl (L_mult (y1[i], gain_pit), 3)); k = extract_h (L_shl (L_mult (y2[i], gain_code), 5)); - mem_w0[j] = sub (xn[i], add (temp, k)); move16 (); + st->mem_w0[j] = sub (xn[i], add (temp, k)); } } else { - for (j = 0; j < M; j++) - { - mem_err[j] = 0; move16 (); - mem_w0[j] = 0; move16 (); - } + Set_zero (st->mem_err, M); + Set_zero (st->mem_w0, M); } -#if (WMOPS) - fwc (); /* function worst case */ -#endif /* interpolated LPC parameters for next subframe */ A += MP1; move16 (); Aq += MP1; move16 (); @@ -812,23 +559,11 @@ * speech[], wsp[] and exc[] * *--------------------------------------------------*/ - Copy (&old_speech[L_FRAME], &old_speech[0], L_TOTAL - L_FRAME); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif - - Copy (&old_wsp[L_FRAME], &old_wsp[0], PIT_MAX); + Copy (&st->old_speech[L_FRAME], &st->old_speech[0], L_TOTAL - L_FRAME); -#if (WMOPS) - fwc (); /* function worst case */ -#endif + Copy (&st->old_wsp[L_FRAME], &st->old_wsp[0], PIT_MAX); - Copy (&old_exc[L_FRAME], &old_exc[0], PIT_MAX + L_INTERPOL); - -#if (WMOPS) - fwc (); /* function worst case */ -#endif + Copy (&st->old_exc[L_FRAME], &st->old_exc[0], PIT_MAX + L_INTERPOL); return; }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libgsmefr/memops.h Fri Nov 25 18:50:50 2022 +0000 @@ -0,0 +1,24 @@ +/* + * The original code from ETSI uses its own Copy() and Set_zero() + * functions, operating on Word16 elements. Here we implement them + * as static inline functions wrapping around memcpy and memset. + */ + +#include <string.h> + +static inline void Copy ( + const Word16 x[], /* (i) : input vector */ + Word16 y[], /* (o) : output vector */ + Word16 L /* (i) : vector length */ +) +{ + memcpy(y, x, L * 2); +} + +static inline void Set_zero ( + Word16 x[], /* (o) : vector to clear */ + Word16 L /* (i) : length of vector */ +) +{ + memset(x, 0, L * 2); +}