diff options
Diffstat (limited to 'benchmarks/CHStone/adpcm/adpcm.c')
| -rwxr-xr-x | benchmarks/CHStone/adpcm/adpcm.c | 82 |
1 files changed, 40 insertions, 42 deletions
diff --git a/benchmarks/CHStone/adpcm/adpcm.c b/benchmarks/CHStone/adpcm/adpcm.c index 613b1bd..7cf81d1 100755 --- a/benchmarks/CHStone/adpcm/adpcm.c +++ b/benchmarks/CHStone/adpcm/adpcm.c @@ -62,7 +62,6 @@ /* */ /* */ /*************************************************************************/ -#include <stdio.h> int encode (int, int); void decode (int); @@ -250,23 +249,23 @@ encode (int xin1, int xin2) int i; const int *h_ptr; int *tqmf_ptr, *tqmf_ptr1; - long int xa, xb; + int xa, xb; int decis; /* transmit quadrature mirror filters implemented here */ h_ptr = h; tqmf_ptr = tqmf; - xa = (long) (*tqmf_ptr++) * (*h_ptr++); - xb = (long) (*tqmf_ptr++) * (*h_ptr++); + xa = (int) (*tqmf_ptr++) * (*h_ptr++); + xb = (int) (*tqmf_ptr++) * (*h_ptr++); /* main multiply accumulate loop for samples and coefficients */ for (i = 0; i < 10; i++) { - xa += (long) (*tqmf_ptr++) * (*h_ptr++); - xb += (long) (*tqmf_ptr++) * (*h_ptr++); + xa += (int) (*tqmf_ptr++) * (*h_ptr++); + xb += (int) (*tqmf_ptr++) * (*h_ptr++); } /* final mult/accumulate */ - xa += (long) (*tqmf_ptr++) * (*h_ptr++); - xb += (long) (*tqmf_ptr) * (*h_ptr++); + xa += (int) (*tqmf_ptr++) * (*h_ptr++); + xb += (int) (*tqmf_ptr) * (*h_ptr++); /* update delay line tqmf */ tqmf_ptr1 = tqmf_ptr - 2; @@ -298,7 +297,7 @@ encode (int xin1, int xin2) /* computes quantized difference signal */ /* for invqbl, truncate by 2 lsbs, so mode = 3 */ - dlt = ((long) detl * qq4_code4_table[il >> 2]) >> 15; + dlt = ((int) detl * qq4_code4_table[il >> 2]) >> 15; /* logscl: updates logarithmic quant. scale factor in low sub band */ nbl = logscl (il, nbl); @@ -354,12 +353,12 @@ encode (int xin1, int xin2) { ih = 1; /* 0,1 are neg codes */ } - decis = (564L * (long) deth) >> 12L; + decis = (564L * (int) deth) >> 12L; if (abs (eh) > decis) ih--; /* mih = 2 case */ /* compute the quantized difference signal, higher sub-band*/ - dh = ((long) deth * qq2_code2_table[ih]) >> 15L; + dh = ((int) deth * qq2_code2_table[ih]) >> 15L; /* logsch: update logarithmic quantizer scale factor in hi sub-band*/ nbh = logsch (ih, nbh); @@ -401,7 +400,7 @@ void decode (int input) { int i; - long int xa1, xa2; /* qmf accumulators */ + int xa1, xa2; /* qmf accumulators */ const int *h_ptr; int *ac_ptr, *ac_ptr1, *ad_ptr, *ad_ptr1; @@ -420,10 +419,10 @@ decode (int input) dec_sl = dec_spl + dec_szl; /* compute quantized difference signal for adaptive predic */ - dec_dlt = ((long) dec_detl * qq4_code4_table[ilr >> 2]) >> 15; + dec_dlt = ((int) dec_detl * qq4_code4_table[ilr >> 2]) >> 15; /* compute quantized difference signal for decoder output */ - dl = ((long) dec_detl * qq6_code6_table[il]) >> 15; + dl = ((int) dec_detl * qq6_code6_table[il]) >> 15; rl = dl + dec_sl; @@ -467,7 +466,7 @@ decode (int input) dec_sh = dec_sph + dec_szh; /* in-place compute the quantized difference signal */ - dec_dh = ((long) dec_deth * qq2_code2_table[ih]) >> 15L; + dec_dh = ((int) dec_deth * qq2_code2_table[ih]) >> 15L; /* logsch: update logarithmic quantizer scale factor in hi sub band */ dec_nbh = logsch (ih, dec_nbh); @@ -506,17 +505,17 @@ decode (int input) h_ptr = h; ac_ptr = accumc; ad_ptr = accumd; - xa1 = (long) xd *(*h_ptr++); - xa2 = (long) xs *(*h_ptr++); + xa1 = (int) xd *(*h_ptr++); + xa2 = (int) xs *(*h_ptr++); /* main multiply accumulate loop for samples and coefficients */ for (i = 0; i < 10; i++) { - xa1 += (long) (*ac_ptr++) * (*h_ptr++); - xa2 += (long) (*ad_ptr++) * (*h_ptr++); + xa1 += (int) (*ac_ptr++) * (*h_ptr++); + xa2 += (int) (*ad_ptr++) * (*h_ptr++); } /* final mult/accumulate */ - xa1 += (long) (*ac_ptr) * (*h_ptr++); - xa2 += (long) (*ad_ptr) * (*h_ptr++); + xa1 += (int) (*ac_ptr) * (*h_ptr++); + xa2 += (int) (*ad_ptr) * (*h_ptr++); /* scale by 2^14 */ xout1 = xa1 >> 14; @@ -581,10 +580,10 @@ int filtez (int *bpl, int *dlt) { int i; - long int zl; - zl = (long) (*bpl++) * (*dlt++); + int zl; + zl = (int) (*bpl++) * (*dlt++); for (i = 1; i < 6; i++) - zl += (long) (*bpl++) * (*dlt++); + zl += (int) (*bpl++) * (*dlt++); return ((int) (zl >> 14)); /* x2 here */ } @@ -595,11 +594,11 @@ filtez (int *bpl, int *dlt) int filtep (int rlt1, int al1, int rlt2, int al2) { - long int pl, pl2; + int pl, pl2; pl = 2 * rlt1; - pl = (long) al1 *pl; + pl = (int) al1 *pl; pl2 = 2 * rlt2; - pl += (long) al2 *pl2; + pl += (int) al2 *pl2; return ((int) (pl >> 15)); } @@ -608,14 +607,14 @@ int quantl (int el, int detl) { int ril, mil; - long int wd, decis; + int wd, decis; /* abs of difference signal */ wd = abs (el); /* determine mil based on decision levels and detl gain */ for (mil = 0; mil < 30; mil++) { - decis = (decis_levl[mil] * (long) detl) >> 15L; + decis = (decis_levl[mil] * (int) detl) >> 15L; if (wd <= decis) break; } @@ -633,8 +632,8 @@ quantl (int el, int detl) int logscl (int il, int nbl) { - long int wd; - wd = ((long) nbl * 127L) >> 7L; /* leak factor 127/128 */ + int wd; + wd = ((int) nbl * 127L) >> 7L; /* leak factor 127/128 */ nbl = (int) wd + wl_code_table[il >> 2]; if (nbl < 0) nbl = 0; @@ -674,7 +673,7 @@ upzero (int dlt, int *dlti, int *bli) { for (i = 0; i < 6; i++) { - if ((long) dlt * dlti[i] >= 0) + if ((int) dlt * dlti[i] >= 0) wd2 = 128; else wd2 = -128; @@ -697,13 +696,13 @@ upzero (int dlt, int *dlti, int *bli) int uppol2 (int al1, int al2, int plt, int plt1, int plt2) { - long int wd2, wd4; + int wd2, wd4; int apl2; - wd2 = 4L * (long) al1; - if ((long) plt * plt1 >= 0L) + wd2 = 4L * (int) al1; + if ((int) plt * plt1 >= 0L) wd2 = -wd2; /* check same sign */ wd2 = wd2 >> 7; /* gain of 1/128 */ - if ((long) plt * plt2 >= 0L) + if ((int) plt * plt2 >= 0L) { wd4 = wd2 + 128; /* same sign case */ } @@ -711,7 +710,7 @@ uppol2 (int al1, int al2, int plt, int plt1, int plt2) { wd4 = wd2 - 128; } - apl2 = wd4 + (127L * (long) al2 >> 7L); /* leak factor of 127/128 */ + apl2 = wd4 + (127L * (int) al2 >> 7L); /* leak factor of 127/128 */ /* apl2 is limited to +-.75 */ if (apl2 > 12288) @@ -727,10 +726,10 @@ uppol2 (int al1, int al2, int plt, int plt1, int plt2) int uppol1 (int al1, int apl2, int plt, int plt1) { - long int wd2; + int wd2; int wd3, apl1; - wd2 = ((long) al1 * 255L) >> 8L; /* leak factor of 255/256 */ - if ((long) plt * plt1 >= 0L) + wd2 = ((int) al1 * 255L) >> 8L; /* leak factor of 255/256 */ + if ((int) plt * plt1 >= 0L) { apl1 = (int) wd2 + 192; /* same sign case */ } @@ -754,7 +753,7 @@ int logsch (int ih, int nbh) { int wd; - wd = ((long) nbh * 127L) >> 7L; /* leak factor 127/128 */ + wd = ((int) nbh * 127L) >> 7L; /* leak factor 127/128 */ nbh = wd + wh_code_table[ih]; if (nbh < 0) nbh = 0; @@ -877,6 +876,5 @@ main () main_result += 1; } } - printf ("%d\n", main_result); return main_result; } |