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0.009841919, -0.003433228,  0.000579834,  0.000015259,  -0.000366211, -0.003082275, -0.005294800, -0.031738281,  -0.067520142, -0.116577148, -0.515609741, -1.142211914,   0.628295898, -0.080688477,  0.089706421, -0.029785156,   0.008865356, -0.003387451,  0.000534058,  0.000015259,  -0.000396729, -0.003173828, -0.006118774, -0.031478882,  -0.073059082, -0.108856201, -0.543823242, -1.144287109,   0.600219727, -0.090927124,  0.084182739, -0.030517578,   0.007919312, -0.003326416,  0.000473022,  0.000015259};SynthesisFilter::SynthesisFilter (uint32 channelnumber, real factor){  register real *floatp, *floatp2;  // initialize v1[] and v2[]:  for (floatp = v1 + 512, floatp2 = v2 + 512; floatp > v1; )    *--floatp = *--floatp2 = 0.0;  channel = channelnumber;  number_of_samples = range_violations = written_samples = 0;  actual_v = v1;  actual_write_pos = 15;  scalefactor = factor;}void SynthesisFilter::compute_new_v(real *new_v){  {    unsigned int i;    register real sample = 0.0, *v = new_v;    register const real *cooefs;    // initialize new_v[]:    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    v = new_v + 33;    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    *v++ = sample; *v++ = sample; *v++ = sample; *v++ = sample;    // compute new values:    for (i = 0; i < number_of_samples; ++i){      sample = samples[i];      cooefs = n[subbandnumbers[i]];      v = new_v;      // add to new_v[0]-new_v[15]: (new_v[16] remains always 0.0)      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      v = new_v + 33;      // add to new_v[33]-new_v[47]:      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++; *v++ += sample * *cooefs++;      *v++ += sample * *cooefs++;      *v   -= sample;		// new_v[48]    }  }  // fold new values to there boundaries: (a few streams need this)  {    register real *v;    for (v = new_v + 15; v >= new_v; --v)      if (*v < -1.0)	*v = -1.0;      else if (*v > 1.0)	*v = 1.0;    for (v = new_v + 48; v >= new_v + 33; --v)      if (*v < -1.0)	*v = -1.0;      else if (*v > 1.0)	*v = 1.0;  }  {    // copy values -new_v[0-15] to new_v[32-17]:    register real *v1 = new_v, *v2 = new_v + 33;    *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++;    *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++;    *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++;    *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++; *--v2 = -*v1++;    // copy values new_v[33-47] to new_v[63-49]:    v1 = new_v + 33;    v2 = new_v + 64;    *--v2 = *v1++; *--v2 = *v1++; *--v2 = *v1++; *--v2 = *v1++;    *--v2 = *v1++; *--v2 = *v1++; *--v2 = *v1++; *--v2 = *v1++;    *--v2 = *v1++; *--v2 = *v1++; *--v2 = *v1++; *--v2 = *v1++;    *--v2 = *v1++; *--v2 = *v1++; *--v2 = *v1++;  }  // insert new values into v1[] and v2[]:  {    register int i;    register real *nnv, *nv;    // insert new_v[0-31] into actual v:    nnv = new_v;    nv = actual_v + actual_write_pos;    for (i = 0; i < 32; ++i, nv += 16)      *nv = *nnv++;    // insert new_v[32-63] into other v:    nv = (actual_v == v1 ? v2 : v1) + actual_write_pos;    for (; i < 64; ++i, nv += 16)      *nv = *nnv++;  }}void SynthesisFilter::compute_pcm_samples (Obuffer *buffer){  int i;  register real floatreg, *lower_bound, *vp;  register const real *dp;  int pcm_sample;  dp = d;  lower_bound = actual_v;  if (actual_write_pos != 15)    for (i = 0; i < 32; ++i)    {      floatreg = 0;      for (vp = lower_bound + actual_write_pos + 1; vp > lower_bound; )        floatreg += *--vp * *dp++;      for (vp += 16; vp > lower_bound + actual_write_pos + 1; )        floatreg += *--vp * *dp++;      pcm_sample = (int)(floatreg * scalefactor);      if (pcm_sample > 32767)        {          ++range_violations;          if (floatreg > max_violation)            max_violation = floatreg;          pcm_sample = 32767;        }      else if (pcm_sample < -32768)        {          ++range_violations;          if (-floatreg > max_violation)            max_violation = -floatreg;          pcm_sample = -32768;        }      buffer->append (channel, (int16)pcm_sample);      lower_bound += 16;    }  else    for (i = 0; i < 32; ++i)      {        floatreg = 0;        for (vp = lower_bound + 16; vp > lower_bound; )          floatreg += *--vp * *dp++;                pcm_sample = (int)(floatreg * scalefactor);        if (pcm_sample > 32767)          {            ++range_violations;            if (floatreg > max_violation)              max_violation = floatreg;            pcm_sample = 32767;          }        else if (pcm_sample < -32768)          {            ++range_violations;            if (-floatreg > max_violation)              max_violation = -floatreg;            pcm_sample = -32768;          }        buffer->append (channel, (int16)pcm_sample);        lower_bound += 16;      }}void SynthesisFilter::calculate_pcm_samples (Obuffer *buffer){  static real new_v[64];  compute_new_v (new_v);  compute_pcm_samples (buffer);  written_samples += 32;  if (actual_write_pos < 15)    ++actual_write_pos;  else    actual_write_pos = 0;  actual_v = (actual_v == v1 ? v2 : v1);  number_of_samples = 0;}