2 * 11/19/04 1.0 moved to LGPL.
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4 * 04/01/00 Fixes for running under build 23xx Microsoft JVM. mdm.
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6 * 19/12/99 Performance improvements to compute_pcm_samples().
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7 * Mat McGowan. mdm@techie.com.
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9 * 16/02/99 Java Conversion by E.B , javalayer@javazoom.net
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11 * @(#) synthesis_filter.h 1.8, last edit: 6/15/94 16:52:00
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12 * @(#) Copyright (C) 1993, 1994 Tobias Bading (bading@cs.tu-berlin.de)
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13 * @(#) Berlin University of Technology
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15 *-----------------------------------------------------------------------
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16 * This program is free software; you can redistribute it and/or modify
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17 * it under the terms of the GNU Library General Public License as published
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18 * by the Free Software Foundation; either version 2 of the License, or
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19 * (at your option) any later version.
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21 * This program is distributed in the hope that it will be useful,
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22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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24 * GNU Library General Public License for more details.
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26 * You should have received a copy of the GNU Library General Public
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27 * License along with this program; if not, write to the Free Software
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28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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29 *----------------------------------------------------------------------
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32 import java.io.IOException;
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35 * A class for the synthesis filter bank.
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36 * This class does a fast downsampling from 32, 44.1 or 48 kHz to 8 kHz, if ULAW is defined.
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37 * Frequencies above 4 kHz are removed by ignoring higher subbands.
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39 final class SynthesisFilter
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43 private float[] actual_v; // v1 or v2
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44 private int actual_write_pos; // 0-15
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45 private float[] samples; // 32 new subband samples
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46 private int channel;
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47 private float scalefactor;
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51 * Quality value for controlling CPU usage/quality tradeoff.
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54 private int quality;
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60 public static final int HIGH_QUALITY = 1;
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61 public static final int MEDIUM_QUALITY = 2;
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62 public static final int LOW_QUALITY = 4;
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67 * The scalefactor scales the calculated float pcm samples to short values
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68 * (raw pcm samples are in [-1.0, 1.0], if no violations occur).
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70 public SynthesisFilter(int channelnumber, float factor, float[] eq0)
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75 d16 = splitArray(d, 16);
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78 v1 = new float[512];
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79 v2 = new float[512];
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80 samples = new float[32];
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81 channel = channelnumber;
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82 scalefactor = factor;
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84 //setQuality(HIGH_QUALITY);
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89 public void setEQ(float[] eq0)
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95 for (int i=0; i<32; i++)
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100 throw new IllegalArgumentException("eq0");
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106 private void setQuality(int quality0)
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111 case MEDIUM_QUALITY:
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113 v_inc = 16 * quality0;
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114 quality = quality0;
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117 throw new IllegalArgumentException("Unknown quality value");
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121 public int getQuality()
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128 * Reset the synthesis filter.
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130 public void reset()
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133 // float[] floatp2;
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135 // initialize v1[] and v2[]:
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136 //for (floatp = v1 + 512, floatp2 = v2 + 512; floatp > v1; )
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137 // *--floatp = *--floatp2 = 0.0;
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138 for (int p=0;p<512;p++)
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139 v1[p] = v2[p] = 0.0f;
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141 // initialize samples[]:
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142 //for (floatp = samples + 32; floatp > samples; )
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143 // *--floatp = 0.0;
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144 for (int p2=0;p2<32;p2++)
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145 samples[p2] = 0.0f;
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148 actual_write_pos = 15;
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155 public void input_sample(float sample, int subbandnumber)
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157 samples[subbandnumber] = eq[subbandnumber]*sample;
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160 public void input_samples(float[] s)
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162 for (int i=31; i>=0; i--)
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164 samples[i] = s[i]*eq[i];
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169 * Compute new values via a fast cosine transform.
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171 private void compute_new_v()
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173 // p is fully initialized from x1
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175 // pp is fully initialized from p
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176 //float[] pp = _pp;
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178 //float[] new_v = _new_v;
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180 //float[] new_v = new float[32]; // new V[0-15] and V[33-48] of Figure 3-A.2 in ISO DIS 11172-3
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181 //float[] p = new float[16];
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182 //float[] pp = new float[16];
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185 for (int i=31; i>=0; i--)
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191 float new_v0, new_v1, new_v2, new_v3, new_v4, new_v5, new_v6, new_v7, new_v8, new_v9;
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192 float new_v10, new_v11, new_v12, new_v13, new_v14, new_v15, new_v16, new_v17, new_v18, new_v19;
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193 float new_v20, new_v21, new_v22, new_v23, new_v24, new_v25, new_v26, new_v27, new_v28, new_v29;
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194 float new_v30, new_v31;
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196 new_v0 = new_v1 = new_v2 = new_v3 = new_v4 = new_v5 = new_v6 = new_v7 = new_v8 = new_v9 =
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197 new_v10 = new_v11 = new_v12 = new_v13 = new_v14 = new_v15 = new_v16 = new_v17 = new_v18 = new_v19 =
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198 new_v20 = new_v21 = new_v22 = new_v23 = new_v24 = new_v25 = new_v26 = new_v27 = new_v28 = new_v29 =
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199 new_v30 = new_v31 = 0.0f;
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202 // float[] new_v = new float[32]; // new V[0-15] and V[33-48] of Figure 3-A.2 in ISO DIS 11172-3
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203 // float[] p = new float[16];
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204 // float[] pp = new float[16];
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206 float[] s = samples;
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218 float s10 = s[10];
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228 float s20 = s[20];
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238 float s30 = s[30];
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241 float p0 = s0 + s31;
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242 float p1 = s1 + s30;
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243 float p2 = s2 + s29;
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244 float p3 = s3 + s28;
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245 float p4 = s4 + s27;
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246 float p5 = s5 + s26;
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247 float p6 = s6 + s25;
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248 float p7 = s7 + s24;
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249 float p8 = s8 + s23;
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250 float p9 = s9 + s22;
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251 float p10 = s10 + s21;
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252 float p11 = s11 + s20;
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253 float p12 = s12 + s19;
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254 float p13 = s13 + s18;
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255 float p14 = s14 + s17;
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256 float p15 = s15 + s16;
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258 float pp0 = p0 + p15;
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259 float pp1 = p1 + p14;
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260 float pp2 = p2 + p13;
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261 float pp3 = p3 + p12;
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262 float pp4 = p4 + p11;
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263 float pp5 = p5 + p10;
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264 float pp6 = p6 + p9;
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265 float pp7 = p7 + p8;
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266 float pp8 = (p0 - p15) * cos1_32;
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267 float pp9 = (p1 - p14) * cos3_32;
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268 float pp10 = (p2 - p13) * cos5_32;
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269 float pp11 = (p3 - p12) * cos7_32;
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270 float pp12 = (p4 - p11) * cos9_32;
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271 float pp13 = (p5 - p10) * cos11_32;
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272 float pp14 = (p6 - p9) * cos13_32;
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273 float pp15 = (p7 - p8) * cos15_32;
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279 p4 = (pp0 - pp7) * cos1_16;
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280 p5 = (pp1 - pp6) * cos3_16;
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281 p6 = (pp2 - pp5) * cos5_16;
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282 p7 = (pp3 - pp4) * cos7_16;
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287 p12 = (pp8 - pp15) * cos1_16;
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288 p13 = (pp9 - pp14) * cos3_16;
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289 p14 = (pp10 - pp13) * cos5_16;
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290 p15 = (pp11 - pp12) * cos7_16;
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295 pp2 = (p0 - p3) * cos1_8;
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296 pp3 = (p1 - p2) * cos3_8;
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299 pp6 = (p4 - p7) * cos1_8;
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300 pp7 = (p5 - p6) * cos3_8;
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303 pp10 = (p8 - p11) * cos1_8;
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304 pp11 = (p9 - p10) * cos3_8;
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307 pp14 = (p12 - p15) * cos1_8;
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308 pp15 = (p13 - p14) * cos3_8;
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311 p1 = (pp0 - pp1) * cos1_4;
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313 p3 = (pp2 - pp3) * cos1_4;
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315 p5 = (pp4 - pp5) * cos1_4;
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317 p7 = (pp6 - pp7) * cos1_4;
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319 p9 = (pp8 - pp9) * cos1_4;
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322 p11 = (pp10 - pp11) * cos1_4;
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324 p13 = (pp12 - pp13) * cos1_4;
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326 p15 = (pp14 - pp15) * cos1_4;
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328 // this is pretty insane coding
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330 new_v19/*36-17*/ = -(new_v4 = (new_v12 = p7) + p5) - p6;
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331 new_v27/*44-17*/ = -p6 - p7 - p4;
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332 new_v6 = (new_v10 = (new_v14 = p15) + p11) + p13;
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333 new_v17/*34-17*/ = -(new_v2 = p15 + p13 + p9) - p14;
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334 new_v21/*38-17*/ = (tmp1 = -p14 - p15 - p10 - p11) - p13;
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335 new_v29/*46-17*/ = -p14 - p15 - p12 - p8;
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336 new_v25/*42-17*/ = tmp1 - p12;
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337 new_v31/*48-17*/ = -p0;
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339 new_v23/*40-17*/ = -(new_v8 = p3) - p2;
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341 p0 = (s0 - s31) * cos1_64;
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342 p1 = (s1 - s30) * cos3_64;
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343 p2 = (s2 - s29) * cos5_64;
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344 p3 = (s3 - s28) * cos7_64;
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345 p4 = (s4 - s27) * cos9_64;
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346 p5 = (s5 - s26) * cos11_64;
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347 p6 = (s6 - s25) * cos13_64;
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348 p7 = (s7 - s24) * cos15_64;
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349 p8 = (s8 - s23) * cos17_64;
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350 p9 = (s9 - s22) * cos19_64;
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351 p10 = (s10 - s21) * cos21_64;
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352 p11 = (s11 - s20) * cos23_64;
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353 p12 = (s12 - s19) * cos25_64;
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354 p13 = (s13 - s18) * cos27_64;
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355 p14 = (s14 - s17) * cos29_64;
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356 p15 = (s15 - s16) * cos31_64;
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367 pp8 = (p0 - p15) * cos1_32;
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368 pp9 = (p1 - p14) * cos3_32;
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369 pp10 = (p2 - p13) * cos5_32;
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370 pp11 = (p3 - p12) * cos7_32;
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371 pp12 = (p4 - p11) * cos9_32;
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372 pp13 = (p5 - p10) * cos11_32;
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373 pp14 = (p6 - p9) * cos13_32;
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374 pp15 = (p7 - p8) * cos15_32;
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381 p4 = (pp0 - pp7) * cos1_16;
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382 p5 = (pp1 - pp6) * cos3_16;
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383 p6 = (pp2 - pp5) * cos5_16;
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384 p7 = (pp3 - pp4) * cos7_16;
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389 p12 = (pp8 - pp15) * cos1_16;
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390 p13 = (pp9 - pp14) * cos3_16;
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391 p14 = (pp10 - pp13) * cos5_16;
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392 p15 = (pp11 - pp12) * cos7_16;
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397 pp2 = (p0 - p3) * cos1_8;
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398 pp3 = (p1 - p2) * cos3_8;
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401 pp6 = (p4 - p7) * cos1_8;
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402 pp7 = (p5 - p6) * cos3_8;
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405 pp10 = (p8 - p11) * cos1_8;
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406 pp11 = (p9 - p10) * cos3_8;
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409 pp14 = (p12 - p15) * cos1_8;
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410 pp15 = (p13 - p14) * cos3_8;
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414 p1 = (pp0 - pp1) * cos1_4;
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416 p3 = (pp2 - pp3) * cos1_4;
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418 p5 = (pp4 - pp5) * cos1_4;
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420 p7 = (pp6 - pp7) * cos1_4;
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422 p9 = (pp8 - pp9) * cos1_4;
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424 p11 = (pp10 - pp11) * cos1_4;
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426 p13 = (pp12 - pp13) * cos1_4;
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428 p15 = (pp14 - pp15) * cos1_4;
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431 // manually doing something that a compiler should handle sucks
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432 // coding like this is hard to read
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434 new_v5 = (new_v11 = (new_v13 = (new_v15 = p15) + p7) + p11)
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436 new_v7 = (new_v9 = p15 + p11 + p3) + p13;
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437 new_v16/*33-17*/ = -(new_v1 = (tmp1 = p13 + p15 + p9) + p1) - p14;
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438 new_v18/*35-17*/ = -(new_v3 = tmp1 + p5 + p7) - p6 - p14;
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440 new_v22/*39-17*/ = (tmp1 = -p10 - p11 - p14 - p15)
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442 new_v20/*37-17*/ = tmp1 - p13 - p5 - p6 - p7;
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443 new_v24/*41-17*/ = tmp1 - p12 - p2 - p3;
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444 new_v26/*43-17*/ = tmp1 - p12 - (tmp2 = p4 + p6 + p7);
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445 new_v30/*47-17*/ = (tmp1 = -p8 - p12 - p14 - p15) - p0;
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446 new_v28/*45-17*/ = tmp1 - tmp2;
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448 // insert V[0-15] (== new_v[0-15]) into actual v:
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449 // float[] x2 = actual_v + actual_write_pos;
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450 float dest[] = actual_v;
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452 int pos = actual_write_pos;
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454 dest[0 + pos] = new_v0;
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455 dest[16 + pos] = new_v1;
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456 dest[32 + pos] = new_v2;
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457 dest[48 + pos] = new_v3;
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458 dest[64 + pos] = new_v4;
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459 dest[80 + pos] = new_v5;
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460 dest[96 + pos] = new_v6;
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461 dest[112 + pos] = new_v7;
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462 dest[128 + pos] = new_v8;
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463 dest[144 + pos] = new_v9;
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464 dest[160 + pos] = new_v10;
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465 dest[176 + pos] = new_v11;
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466 dest[192 + pos] = new_v12;
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467 dest[208 + pos] = new_v13;
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468 dest[224 + pos] = new_v14;
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469 dest[240 + pos] = new_v15;
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471 // V[16] is always 0.0:
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472 dest[256 + pos] = 0.0f;
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474 // insert V[17-31] (== -new_v[15-1]) into actual v:
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475 dest[272 + pos] = -new_v15;
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476 dest[288 + pos] = -new_v14;
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477 dest[304 + pos] = -new_v13;
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478 dest[320 + pos] = -new_v12;
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479 dest[336 + pos] = -new_v11;
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480 dest[352 + pos] = -new_v10;
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481 dest[368 + pos] = -new_v9;
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482 dest[384 + pos] = -new_v8;
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483 dest[400 + pos] = -new_v7;
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484 dest[416 + pos] = -new_v6;
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485 dest[432 + pos] = -new_v5;
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486 dest[448 + pos] = -new_v4;
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487 dest[464 + pos] = -new_v3;
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488 dest[480 + pos] = -new_v2;
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489 dest[496 + pos] = -new_v1;
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491 // insert V[32] (== -new_v[0]) into other v:
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492 dest = (actual_v==v1) ? v2 : v1;
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494 dest[0 + pos] = -new_v0;
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495 // insert V[33-48] (== new_v[16-31]) into other v:
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496 dest[16 + pos] = new_v16;
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497 dest[32 + pos] = new_v17;
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498 dest[48 + pos] = new_v18;
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499 dest[64 + pos] = new_v19;
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500 dest[80 + pos] = new_v20;
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501 dest[96 + pos] = new_v21;
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502 dest[112 + pos] = new_v22;
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503 dest[128 + pos] = new_v23;
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504 dest[144 + pos] = new_v24;
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505 dest[160 + pos] = new_v25;
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506 dest[176 + pos] = new_v26;
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507 dest[192 + pos] = new_v27;
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508 dest[208 + pos] = new_v28;
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509 dest[224 + pos] = new_v29;
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510 dest[240 + pos] = new_v30;
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511 dest[256 + pos] = new_v31;
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513 // insert V[49-63] (== new_v[30-16]) into other v:
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514 dest[272 + pos] = new_v30;
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515 dest[288 + pos] = new_v29;
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516 dest[304 + pos] = new_v28;
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517 dest[320 + pos] = new_v27;
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518 dest[336 + pos] = new_v26;
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519 dest[352 + pos] = new_v25;
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520 dest[368 + pos] = new_v24;
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521 dest[384 + pos] = new_v23;
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522 dest[400 + pos] = new_v22;
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523 dest[416 + pos] = new_v21;
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524 dest[432 + pos] = new_v20;
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525 dest[448 + pos] = new_v19;
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526 dest[464 + pos] = new_v18;
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527 dest[480 + pos] = new_v17;
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528 dest[496 + pos] = new_v16;
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533 v1[0 + actual_write_pos] = -new_v0;
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534 // insert V[33-48] (== new_v[16-31]) into other v:
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535 v1[16 + actual_write_pos] = new_v16;
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536 v1[32 + actual_write_pos] = new_v17;
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537 v1[48 + actual_write_pos] = new_v18;
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538 v1[64 + actual_write_pos] = new_v19;
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539 v1[80 + actual_write_pos] = new_v20;
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540 v1[96 + actual_write_pos] = new_v21;
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541 v1[112 + actual_write_pos] = new_v22;
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542 v1[128 + actual_write_pos] = new_v23;
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543 v1[144 + actual_write_pos] = new_v24;
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544 v1[160 + actual_write_pos] = new_v25;
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545 v1[176 + actual_write_pos] = new_v26;
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546 v1[192 + actual_write_pos] = new_v27;
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547 v1[208 + actual_write_pos] = new_v28;
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548 v1[224 + actual_write_pos] = new_v29;
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549 v1[240 + actual_write_pos] = new_v30;
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550 v1[256 + actual_write_pos] = new_v31;
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552 // insert V[49-63] (== new_v[30-16]) into other v:
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553 v1[272 + actual_write_pos] = new_v30;
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554 v1[288 + actual_write_pos] = new_v29;
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555 v1[304 + actual_write_pos] = new_v28;
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556 v1[320 + actual_write_pos] = new_v27;
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557 v1[336 + actual_write_pos] = new_v26;
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558 v1[352 + actual_write_pos] = new_v25;
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559 v1[368 + actual_write_pos] = new_v24;
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560 v1[384 + actual_write_pos] = new_v23;
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561 v1[400 + actual_write_pos] = new_v22;
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562 v1[416 + actual_write_pos] = new_v21;
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563 v1[432 + actual_write_pos] = new_v20;
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564 v1[448 + actual_write_pos] = new_v19;
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565 v1[464 + actual_write_pos] = new_v18;
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566 v1[480 + actual_write_pos] = new_v17;
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567 v1[496 + actual_write_pos] = new_v16;
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573 * Compute new values via a fast cosine transform.
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575 private void compute_new_v_old()
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577 // p is fully initialized from x1
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579 // pp is fully initialized from p
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580 //float[] pp = _pp;
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582 //float[] new_v = _new_v;
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584 float[] new_v = new float[32]; // new V[0-15] and V[33-48] of Figure 3-A.2 in ISO DIS 11172-3
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585 float[] p = new float[16];
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586 float[] pp = new float[16];
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589 for (int i=31; i>=0; i--)
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594 // float[] new_v = new float[32]; // new V[0-15] and V[33-48] of Figure 3-A.2 in ISO DIS 11172-3
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595 // float[] p = new float[16];
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596 // float[] pp = new float[16];
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598 float[] x1 = samples;
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600 p[0] = x1[0] + x1[31];
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601 p[1] = x1[1] + x1[30];
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602 p[2] = x1[2] + x1[29];
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603 p[3] = x1[3] + x1[28];
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604 p[4] = x1[4] + x1[27];
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605 p[5] = x1[5] + x1[26];
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606 p[6] = x1[6] + x1[25];
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607 p[7] = x1[7] + x1[24];
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608 p[8] = x1[8] + x1[23];
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609 p[9] = x1[9] + x1[22];
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610 p[10] = x1[10] + x1[21];
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611 p[11] = x1[11] + x1[20];
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612 p[12] = x1[12] + x1[19];
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613 p[13] = x1[13] + x1[18];
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614 p[14] = x1[14] + x1[17];
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615 p[15] = x1[15] + x1[16];
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617 pp[0] = p[0] + p[15];
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618 pp[1] = p[1] + p[14];
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619 pp[2] = p[2] + p[13];
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620 pp[3] = p[3] + p[12];
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621 pp[4] = p[4] + p[11];
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622 pp[5] = p[5] + p[10];
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623 pp[6] = p[6] + p[9];
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624 pp[7] = p[7] + p[8];
\r
625 pp[8] = (p[0] - p[15]) * cos1_32;
\r
626 pp[9] = (p[1] - p[14]) * cos3_32;
\r
627 pp[10] = (p[2] - p[13]) * cos5_32;
\r
628 pp[11] = (p[3] - p[12]) * cos7_32;
\r
629 pp[12] = (p[4] - p[11]) * cos9_32;
\r
630 pp[13] = (p[5] - p[10]) * cos11_32;
\r
631 pp[14] = (p[6] - p[9]) * cos13_32;
\r
632 pp[15] = (p[7] - p[8]) * cos15_32;
\r
634 p[0] = pp[0] + pp[7];
\r
635 p[1] = pp[1] + pp[6];
\r
636 p[2] = pp[2] + pp[5];
\r
637 p[3] = pp[3] + pp[4];
\r
638 p[4] = (pp[0] - pp[7]) * cos1_16;
\r
639 p[5] = (pp[1] - pp[6]) * cos3_16;
\r
640 p[6] = (pp[2] - pp[5]) * cos5_16;
\r
641 p[7] = (pp[3] - pp[4]) * cos7_16;
\r
642 p[8] = pp[8] + pp[15];
\r
643 p[9] = pp[9] + pp[14];
\r
644 p[10] = pp[10] + pp[13];
\r
645 p[11] = pp[11] + pp[12];
\r
646 p[12] = (pp[8] - pp[15]) * cos1_16;
\r
647 p[13] = (pp[9] - pp[14]) * cos3_16;
\r
648 p[14] = (pp[10] - pp[13]) * cos5_16;
\r
649 p[15] = (pp[11] - pp[12]) * cos7_16;
\r
652 pp[0] = p[0] + p[3];
\r
653 pp[1] = p[1] + p[2];
\r
654 pp[2] = (p[0] - p[3]) * cos1_8;
\r
655 pp[3] = (p[1] - p[2]) * cos3_8;
\r
656 pp[4] = p[4] + p[7];
\r
657 pp[5] = p[5] + p[6];
\r
658 pp[6] = (p[4] - p[7]) * cos1_8;
\r
659 pp[7] = (p[5] - p[6]) * cos3_8;
\r
660 pp[8] = p[8] + p[11];
\r
661 pp[9] = p[9] + p[10];
\r
662 pp[10] = (p[8] - p[11]) * cos1_8;
\r
663 pp[11] = (p[9] - p[10]) * cos3_8;
\r
664 pp[12] = p[12] + p[15];
\r
665 pp[13] = p[13] + p[14];
\r
666 pp[14] = (p[12] - p[15]) * cos1_8;
\r
667 pp[15] = (p[13] - p[14]) * cos3_8;
\r
669 p[0] = pp[0] + pp[1];
\r
670 p[1] = (pp[0] - pp[1]) * cos1_4;
\r
671 p[2] = pp[2] + pp[3];
\r
672 p[3] = (pp[2] - pp[3]) * cos1_4;
\r
673 p[4] = pp[4] + pp[5];
\r
674 p[5] = (pp[4] - pp[5]) * cos1_4;
\r
675 p[6] = pp[6] + pp[7];
\r
676 p[7] = (pp[6] - pp[7]) * cos1_4;
\r
677 p[8] = pp[8] + pp[9];
\r
678 p[9] = (pp[8] - pp[9]) * cos1_4;
\r
679 p[10] = pp[10] + pp[11];
\r
680 p[11] = (pp[10] - pp[11]) * cos1_4;
\r
681 p[12] = pp[12] + pp[13];
\r
682 p[13] = (pp[12] - pp[13]) * cos1_4;
\r
683 p[14] = pp[14] + pp[15];
\r
684 p[15] = (pp[14] - pp[15]) * cos1_4;
\r
686 // this is pretty insane coding
\r
688 new_v[36-17] = -(new_v[4] = (new_v[12] = p[7]) + p[5]) - p[6];
\r
689 new_v[44-17] = -p[6] - p[7] - p[4];
\r
690 new_v[6] = (new_v[10] = (new_v[14] = p[15]) + p[11]) + p[13];
\r
691 new_v[34-17] = -(new_v[2] = p[15] + p[13] + p[9]) - p[14];
\r
692 new_v[38-17] = (tmp1 = -p[14] - p[15] - p[10] - p[11]) - p[13];
\r
693 new_v[46-17] = -p[14] - p[15] - p[12] - p[8];
\r
694 new_v[42-17] = tmp1 - p[12];
\r
695 new_v[48-17] = -p[0];
\r
697 new_v[40-17] = -(new_v[8] = p[3]) - p[2];
\r
699 p[0] = (x1[0] - x1[31]) * cos1_64;
\r
700 p[1] = (x1[1] - x1[30]) * cos3_64;
\r
701 p[2] = (x1[2] - x1[29]) * cos5_64;
\r
702 p[3] = (x1[3] - x1[28]) * cos7_64;
\r
703 p[4] = (x1[4] - x1[27]) * cos9_64;
\r
704 p[5] = (x1[5] - x1[26]) * cos11_64;
\r
705 p[6] = (x1[6] - x1[25]) * cos13_64;
\r
706 p[7] = (x1[7] - x1[24]) * cos15_64;
\r
707 p[8] = (x1[8] - x1[23]) * cos17_64;
\r
708 p[9] = (x1[9] - x1[22]) * cos19_64;
\r
709 p[10] = (x1[10] - x1[21]) * cos21_64;
\r
710 p[11] = (x1[11] - x1[20]) * cos23_64;
\r
711 p[12] = (x1[12] - x1[19]) * cos25_64;
\r
712 p[13] = (x1[13] - x1[18]) * cos27_64;
\r
713 p[14] = (x1[14] - x1[17]) * cos29_64;
\r
714 p[15] = (x1[15] - x1[16]) * cos31_64;
\r
717 pp[0] = p[0] + p[15];
\r
718 pp[1] = p[1] + p[14];
\r
719 pp[2] = p[2] + p[13];
\r
720 pp[3] = p[3] + p[12];
\r
721 pp[4] = p[4] + p[11];
\r
722 pp[5] = p[5] + p[10];
\r
723 pp[6] = p[6] + p[9];
\r
724 pp[7] = p[7] + p[8];
\r
725 pp[8] = (p[0] - p[15]) * cos1_32;
\r
726 pp[9] = (p[1] - p[14]) * cos3_32;
\r
727 pp[10] = (p[2] - p[13]) * cos5_32;
\r
728 pp[11] = (p[3] - p[12]) * cos7_32;
\r
729 pp[12] = (p[4] - p[11]) * cos9_32;
\r
730 pp[13] = (p[5] - p[10]) * cos11_32;
\r
731 pp[14] = (p[6] - p[9]) * cos13_32;
\r
732 pp[15] = (p[7] - p[8]) * cos15_32;
\r
735 p[0] = pp[0] + pp[7];
\r
736 p[1] = pp[1] + pp[6];
\r
737 p[2] = pp[2] + pp[5];
\r
738 p[3] = pp[3] + pp[4];
\r
739 p[4] = (pp[0] - pp[7]) * cos1_16;
\r
740 p[5] = (pp[1] - pp[6]) * cos3_16;
\r
741 p[6] = (pp[2] - pp[5]) * cos5_16;
\r
742 p[7] = (pp[3] - pp[4]) * cos7_16;
\r
743 p[8] = pp[8] + pp[15];
\r
744 p[9] = pp[9] + pp[14];
\r
745 p[10] = pp[10] + pp[13];
\r
746 p[11] = pp[11] + pp[12];
\r
747 p[12] = (pp[8] - pp[15]) * cos1_16;
\r
748 p[13] = (pp[9] - pp[14]) * cos3_16;
\r
749 p[14] = (pp[10] - pp[13]) * cos5_16;
\r
750 p[15] = (pp[11] - pp[12]) * cos7_16;
\r
753 pp[0] = p[0] + p[3];
\r
754 pp[1] = p[1] + p[2];
\r
755 pp[2] = (p[0] - p[3]) * cos1_8;
\r
756 pp[3] = (p[1] - p[2]) * cos3_8;
\r
757 pp[4] = p[4] + p[7];
\r
758 pp[5] = p[5] + p[6];
\r
759 pp[6] = (p[4] - p[7]) * cos1_8;
\r
760 pp[7] = (p[5] - p[6]) * cos3_8;
\r
761 pp[8] = p[8] + p[11];
\r
762 pp[9] = p[9] + p[10];
\r
763 pp[10] = (p[8] - p[11]) * cos1_8;
\r
764 pp[11] = (p[9] - p[10]) * cos3_8;
\r
765 pp[12] = p[12] + p[15];
\r
766 pp[13] = p[13] + p[14];
\r
767 pp[14] = (p[12] - p[15]) * cos1_8;
\r
768 pp[15] = (p[13] - p[14]) * cos3_8;
\r
771 p[0] = pp[0] + pp[1];
\r
772 p[1] = (pp[0] - pp[1]) * cos1_4;
\r
773 p[2] = pp[2] + pp[3];
\r
774 p[3] = (pp[2] - pp[3]) * cos1_4;
\r
775 p[4] = pp[4] + pp[5];
\r
776 p[5] = (pp[4] - pp[5]) * cos1_4;
\r
777 p[6] = pp[6] + pp[7];
\r
778 p[7] = (pp[6] - pp[7]) * cos1_4;
\r
779 p[8] = pp[8] + pp[9];
\r
780 p[9] = (pp[8] - pp[9]) * cos1_4;
\r
781 p[10] = pp[10] + pp[11];
\r
782 p[11] = (pp[10] - pp[11]) * cos1_4;
\r
783 p[12] = pp[12] + pp[13];
\r
784 p[13] = (pp[12] - pp[13]) * cos1_4;
\r
785 p[14] = pp[14] + pp[15];
\r
786 p[15] = (pp[14] - pp[15]) * cos1_4;
\r
789 // manually doing something that a compiler should handle sucks
\r
790 // coding like this is hard to read
\r
792 new_v[5] = (new_v[11] = (new_v[13] = (new_v[15] = p[15]) + p[7]) + p[11])
\r
794 new_v[7] = (new_v[9] = p[15] + p[11] + p[3]) + p[13];
\r
795 new_v[33-17] = -(new_v[1] = (tmp1 = p[13] + p[15] + p[9]) + p[1]) - p[14];
\r
796 new_v[35-17] = -(new_v[3] = tmp1 + p[5] + p[7]) - p[6] - p[14];
\r
798 new_v[39-17] = (tmp1 = -p[10] - p[11] - p[14] - p[15])
\r
799 - p[13] - p[2] - p[3];
\r
800 new_v[37-17] = tmp1 - p[13] - p[5] - p[6] - p[7];
\r
801 new_v[41-17] = tmp1 - p[12] - p[2] - p[3];
\r
802 new_v[43-17] = tmp1 - p[12] - (tmp2 = p[4] + p[6] + p[7]);
\r
803 new_v[47-17] = (tmp1 = -p[8] - p[12] - p[14] - p[15]) - p[0];
\r
804 new_v[45-17] = tmp1 - tmp2;
\r
806 // insert V[0-15] (== new_v[0-15]) into actual v:
\r
808 // float[] x2 = actual_v + actual_write_pos;
\r
809 float[] dest = actual_v;
\r
811 dest[0 + actual_write_pos] = x1[0];
\r
812 dest[16 + actual_write_pos] = x1[1];
\r
813 dest[32 + actual_write_pos] = x1[2];
\r
814 dest[48 + actual_write_pos] = x1[3];
\r
815 dest[64 + actual_write_pos] = x1[4];
\r
816 dest[80 + actual_write_pos] = x1[5];
\r
817 dest[96 + actual_write_pos] = x1[6];
\r
818 dest[112 + actual_write_pos] = x1[7];
\r
819 dest[128 + actual_write_pos] = x1[8];
\r
820 dest[144 + actual_write_pos] = x1[9];
\r
821 dest[160 + actual_write_pos] = x1[10];
\r
822 dest[176 + actual_write_pos] = x1[11];
\r
823 dest[192 + actual_write_pos] = x1[12];
\r
824 dest[208 + actual_write_pos] = x1[13];
\r
825 dest[224 + actual_write_pos] = x1[14];
\r
826 dest[240 + actual_write_pos] = x1[15];
\r
828 // V[16] is always 0.0:
\r
829 dest[256 + actual_write_pos] = 0.0f;
\r
831 // insert V[17-31] (== -new_v[15-1]) into actual v:
\r
832 dest[272 + actual_write_pos] = -x1[15];
\r
833 dest[288 + actual_write_pos] = -x1[14];
\r
834 dest[304 + actual_write_pos] = -x1[13];
\r
835 dest[320 + actual_write_pos] = -x1[12];
\r
836 dest[336 + actual_write_pos] = -x1[11];
\r
837 dest[352 + actual_write_pos] = -x1[10];
\r
838 dest[368 + actual_write_pos] = -x1[9];
\r
839 dest[384 + actual_write_pos] = -x1[8];
\r
840 dest[400 + actual_write_pos] = -x1[7];
\r
841 dest[416 + actual_write_pos] = -x1[6];
\r
842 dest[432 + actual_write_pos] = -x1[5];
\r
843 dest[448 + actual_write_pos] = -x1[4];
\r
844 dest[464 + actual_write_pos] = -x1[3];
\r
845 dest[480 + actual_write_pos] = -x1[2];
\r
846 dest[496 + actual_write_pos] = -x1[1];
\r
848 // insert V[32] (== -new_v[0]) into other v:
\r
853 * Compute PCM Samples.
\r
856 private float[] _tmpOut = new float[32];
\r
859 private void compute_pcm_samples0(Obuffer buffer)
\r
861 final float[] vp = actual_v;
\r
863 final float[] tmpOut = _tmpOut;
\r
866 // fat chance of having this loop unroll
\r
867 for( int i=0; i<32; i++)
\r
870 final float[] dp = d16[i];
\r
871 pcm_sample = (float)(((vp[0 + dvp] * dp[0]) +
\r
872 (vp[15 + dvp] * dp[1]) +
\r
873 (vp[14 + dvp] * dp[2]) +
\r
874 (vp[13 + dvp] * dp[3]) +
\r
875 (vp[12 + dvp] * dp[4]) +
\r
876 (vp[11 + dvp] * dp[5]) +
\r
877 (vp[10 + dvp] * dp[6]) +
\r
878 (vp[9 + dvp] * dp[7]) +
\r
879 (vp[8 + dvp] * dp[8]) +
\r
880 (vp[7 + dvp] * dp[9]) +
\r
881 (vp[6 + dvp] * dp[10]) +
\r
882 (vp[5 + dvp] * dp[11]) +
\r
883 (vp[4 + dvp] * dp[12]) +
\r
884 (vp[3 + dvp] * dp[13]) +
\r
885 (vp[2 + dvp] * dp[14]) +
\r
886 (vp[1 + dvp] * dp[15])
\r
889 tmpOut[i] = pcm_sample;
\r
895 private void compute_pcm_samples1(Obuffer buffer)
\r
897 final float[] vp = actual_v;
\r
899 final float[] tmpOut = _tmpOut;
\r
902 // fat chance of having this loop unroll
\r
903 for( int i=0; i<32; i++)
\r
905 final float[] dp = d16[i];
\r
908 pcm_sample = (float)(((vp[1 + dvp] * dp[0]) +
\r
909 (vp[0 + dvp] * dp[1]) +
\r
910 (vp[15 + dvp] * dp[2]) +
\r
911 (vp[14 + dvp] * dp[3]) +
\r
912 (vp[13 + dvp] * dp[4]) +
\r
913 (vp[12 + dvp] * dp[5]) +
\r
914 (vp[11 + dvp] * dp[6]) +
\r
915 (vp[10 + dvp] * dp[7]) +
\r
916 (vp[9 + dvp] * dp[8]) +
\r
917 (vp[8 + dvp] * dp[9]) +
\r
918 (vp[7 + dvp] * dp[10]) +
\r
919 (vp[6 + dvp] * dp[11]) +
\r
920 (vp[5 + dvp] * dp[12]) +
\r
921 (vp[4 + dvp] * dp[13]) +
\r
922 (vp[3 + dvp] * dp[14]) +
\r
923 (vp[2 + dvp] * dp[15])
\r
926 tmpOut[i] = pcm_sample;
\r
931 private void compute_pcm_samples2(Obuffer buffer)
\r
933 final float[] vp = actual_v;
\r
936 final float[] tmpOut = _tmpOut;
\r
939 // fat chance of having this loop unroll
\r
940 for( int i=0; i<32; i++)
\r
942 final float[] dp = d16[i];
\r
945 pcm_sample = (float)(((vp[2 + dvp] * dp[0]) +
\r
946 (vp[1 + dvp] * dp[1]) +
\r
947 (vp[0 + dvp] * dp[2]) +
\r
948 (vp[15 + dvp] * dp[3]) +
\r
949 (vp[14 + dvp] * dp[4]) +
\r
950 (vp[13 + dvp] * dp[5]) +
\r
951 (vp[12 + dvp] * dp[6]) +
\r
952 (vp[11 + dvp] * dp[7]) +
\r
953 (vp[10 + dvp] * dp[8]) +
\r
954 (vp[9 + dvp] * dp[9]) +
\r
955 (vp[8 + dvp] * dp[10]) +
\r
956 (vp[7 + dvp] * dp[11]) +
\r
957 (vp[6 + dvp] * dp[12]) +
\r
958 (vp[5 + dvp] * dp[13]) +
\r
959 (vp[4 + dvp] * dp[14]) +
\r
960 (vp[3 + dvp] * dp[15])
\r
963 tmpOut[i] = pcm_sample;
\r
969 private void compute_pcm_samples3(Obuffer buffer)
\r
971 final float[] vp = actual_v;
\r
975 final float[] tmpOut = _tmpOut;
\r
978 // fat chance of having this loop unroll
\r
979 for( int i=0; i<32; i++)
\r
981 final float[] dp = d16[i];
\r
984 pcm_sample = (float)(((vp[3 + dvp] * dp[0]) +
\r
985 (vp[2 + dvp] * dp[1]) +
\r
986 (vp[1 + dvp] * dp[2]) +
\r
987 (vp[0 + dvp] * dp[3]) +
\r
988 (vp[15 + dvp] * dp[4]) +
\r
989 (vp[14 + dvp] * dp[5]) +
\r
990 (vp[13 + dvp] * dp[6]) +
\r
991 (vp[12 + dvp] * dp[7]) +
\r
992 (vp[11 + dvp] * dp[8]) +
\r
993 (vp[10 + dvp] * dp[9]) +
\r
994 (vp[9 + dvp] * dp[10]) +
\r
995 (vp[8 + dvp] * dp[11]) +
\r
996 (vp[7 + dvp] * dp[12]) +
\r
997 (vp[6 + dvp] * dp[13]) +
\r
998 (vp[5 + dvp] * dp[14]) +
\r
999 (vp[4 + dvp] * dp[15])
\r
1002 tmpOut[i] = pcm_sample;
\r
1008 private void compute_pcm_samples4(Obuffer buffer)
\r
1010 final float[] vp = actual_v;
\r
1012 //int inc = v_inc;
\r
1013 final float[] tmpOut = _tmpOut;
\r
1016 // fat chance of having this loop unroll
\r
1017 for( int i=0; i<32; i++)
\r
1019 final float[] dp = d16[i];
\r
1022 pcm_sample = (float)(((vp[4 + dvp] * dp[0]) +
\r
1023 (vp[3 + dvp] * dp[1]) +
\r
1024 (vp[2 + dvp] * dp[2]) +
\r
1025 (vp[1 + dvp] * dp[3]) +
\r
1026 (vp[0 + dvp] * dp[4]) +
\r
1027 (vp[15 + dvp] * dp[5]) +
\r
1028 (vp[14 + dvp] * dp[6]) +
\r
1029 (vp[13 + dvp] * dp[7]) +
\r
1030 (vp[12 + dvp] * dp[8]) +
\r
1031 (vp[11 + dvp] * dp[9]) +
\r
1032 (vp[10 + dvp] * dp[10]) +
\r
1033 (vp[9 + dvp] * dp[11]) +
\r
1034 (vp[8 + dvp] * dp[12]) +
\r
1035 (vp[7 + dvp] * dp[13]) +
\r
1036 (vp[6 + dvp] * dp[14]) +
\r
1037 (vp[5 + dvp] * dp[15])
\r
1040 tmpOut[i] = pcm_sample;
\r
1046 private void compute_pcm_samples5(Obuffer buffer)
\r
1048 final float[] vp = actual_v;
\r
1050 //int inc = v_inc;
\r
1051 final float[] tmpOut = _tmpOut;
\r
1054 // fat chance of having this loop unroll
\r
1055 for( int i=0; i<32; i++)
\r
1057 final float[] dp = d16[i];
\r
1060 pcm_sample = (float)(((vp[5 + dvp] * dp[0]) +
\r
1061 (vp[4 + dvp] * dp[1]) +
\r
1062 (vp[3 + dvp] * dp[2]) +
\r
1063 (vp[2 + dvp] * dp[3]) +
\r
1064 (vp[1 + dvp] * dp[4]) +
\r
1065 (vp[0 + dvp] * dp[5]) +
\r
1066 (vp[15 + dvp] * dp[6]) +
\r
1067 (vp[14 + dvp] * dp[7]) +
\r
1068 (vp[13 + dvp] * dp[8]) +
\r
1069 (vp[12 + dvp] * dp[9]) +
\r
1070 (vp[11 + dvp] * dp[10]) +
\r
1071 (vp[10 + dvp] * dp[11]) +
\r
1072 (vp[9 + dvp] * dp[12]) +
\r
1073 (vp[8 + dvp] * dp[13]) +
\r
1074 (vp[7 + dvp] * dp[14]) +
\r
1075 (vp[6 + dvp] * dp[15])
\r
1078 tmpOut[i] = pcm_sample;
\r
1084 private void compute_pcm_samples6(Obuffer buffer)
\r
1086 final float[] vp = actual_v;
\r
1087 //int inc = v_inc;
\r
1088 final float[] tmpOut = _tmpOut;
\r
1091 // fat chance of having this loop unroll
\r
1092 for( int i=0; i<32; i++)
\r
1094 final float[] dp = d16[i];
\r
1097 pcm_sample = (float)(((vp[6 + dvp] * dp[0]) +
\r
1098 (vp[5 + dvp] * dp[1]) +
\r
1099 (vp[4 + dvp] * dp[2]) +
\r
1100 (vp[3 + dvp] * dp[3]) +
\r
1101 (vp[2 + dvp] * dp[4]) +
\r
1102 (vp[1 + dvp] * dp[5]) +
\r
1103 (vp[0 + dvp] * dp[6]) +
\r
1104 (vp[15 + dvp] * dp[7]) +
\r
1105 (vp[14 + dvp] * dp[8]) +
\r
1106 (vp[13 + dvp] * dp[9]) +
\r
1107 (vp[12 + dvp] * dp[10]) +
\r
1108 (vp[11 + dvp] * dp[11]) +
\r
1109 (vp[10 + dvp] * dp[12]) +
\r
1110 (vp[9 + dvp] * dp[13]) +
\r
1111 (vp[8 + dvp] * dp[14]) +
\r
1112 (vp[7 + dvp] * dp[15])
\r
1115 tmpOut[i] = pcm_sample;
\r
1121 private void compute_pcm_samples7(Obuffer buffer)
\r
1123 final float[] vp = actual_v;
\r
1125 //int inc = v_inc;
\r
1126 final float[] tmpOut = _tmpOut;
\r
1129 // fat chance of having this loop unroll
\r
1130 for( int i=0; i<32; i++)
\r
1132 final float[] dp = d16[i];
\r
1135 pcm_sample = (float)(((vp[7 + dvp] * dp[0]) +
\r
1136 (vp[6 + dvp] * dp[1]) +
\r
1137 (vp[5 + dvp] * dp[2]) +
\r
1138 (vp[4 + dvp] * dp[3]) +
\r
1139 (vp[3 + dvp] * dp[4]) +
\r
1140 (vp[2 + dvp] * dp[5]) +
\r
1141 (vp[1 + dvp] * dp[6]) +
\r
1142 (vp[0 + dvp] * dp[7]) +
\r
1143 (vp[15 + dvp] * dp[8]) +
\r
1144 (vp[14 + dvp] * dp[9]) +
\r
1145 (vp[13 + dvp] * dp[10]) +
\r
1146 (vp[12 + dvp] * dp[11]) +
\r
1147 (vp[11 + dvp] * dp[12]) +
\r
1148 (vp[10 + dvp] * dp[13]) +
\r
1149 (vp[9 + dvp] * dp[14]) +
\r
1150 (vp[8 + dvp] * dp[15])
\r
1153 tmpOut[i] = pcm_sample;
\r
1158 private void compute_pcm_samples8(Obuffer buffer)
\r
1160 final float[] vp = actual_v;
\r
1162 //int inc = v_inc;
\r
1163 final float[] tmpOut = _tmpOut;
\r
1166 // fat chance of having this loop unroll
\r
1167 for( int i=0; i<32; i++)
\r
1169 final float[] dp = d16[i];
\r
1172 pcm_sample = (float)(((vp[8 + dvp] * dp[0]) +
\r
1173 (vp[7 + dvp] * dp[1]) +
\r
1174 (vp[6 + dvp] * dp[2]) +
\r
1175 (vp[5 + dvp] * dp[3]) +
\r
1176 (vp[4 + dvp] * dp[4]) +
\r
1177 (vp[3 + dvp] * dp[5]) +
\r
1178 (vp[2 + dvp] * dp[6]) +
\r
1179 (vp[1 + dvp] * dp[7]) +
\r
1180 (vp[0 + dvp] * dp[8]) +
\r
1181 (vp[15 + dvp] * dp[9]) +
\r
1182 (vp[14 + dvp] * dp[10]) +
\r
1183 (vp[13 + dvp] * dp[11]) +
\r
1184 (vp[12 + dvp] * dp[12]) +
\r
1185 (vp[11 + dvp] * dp[13]) +
\r
1186 (vp[10 + dvp] * dp[14]) +
\r
1187 (vp[9 + dvp] * dp[15])
\r
1190 tmpOut[i] = pcm_sample;
\r
1196 private void compute_pcm_samples9(Obuffer buffer)
\r
1198 final float[] vp = actual_v;
\r
1200 //int inc = v_inc;
\r
1201 final float[] tmpOut = _tmpOut;
\r
1204 // fat chance of having this loop unroll
\r
1205 for( int i=0; i<32; i++)
\r
1207 final float[] dp = d16[i];
\r
1210 pcm_sample = (float)(((vp[9 + dvp] * dp[0]) +
\r
1211 (vp[8 + dvp] * dp[1]) +
\r
1212 (vp[7 + dvp] * dp[2]) +
\r
1213 (vp[6 + dvp] * dp[3]) +
\r
1214 (vp[5 + dvp] * dp[4]) +
\r
1215 (vp[4 + dvp] * dp[5]) +
\r
1216 (vp[3 + dvp] * dp[6]) +
\r
1217 (vp[2 + dvp] * dp[7]) +
\r
1218 (vp[1 + dvp] * dp[8]) +
\r
1219 (vp[0 + dvp] * dp[9]) +
\r
1220 (vp[15 + dvp] * dp[10]) +
\r
1221 (vp[14 + dvp] * dp[11]) +
\r
1222 (vp[13 + dvp] * dp[12]) +
\r
1223 (vp[12 + dvp] * dp[13]) +
\r
1224 (vp[11 + dvp] * dp[14]) +
\r
1225 (vp[10 + dvp] * dp[15])
\r
1228 tmpOut[i] = pcm_sample;
\r
1234 private void compute_pcm_samples10(Obuffer buffer)
\r
1236 final float[] vp = actual_v;
\r
1237 //int inc = v_inc;
\r
1238 final float[] tmpOut = _tmpOut;
\r
1241 // fat chance of having this loop unroll
\r
1242 for( int i=0; i<32; i++)
\r
1244 final float[] dp = d16[i];
\r
1247 pcm_sample = (float)(((vp[10 + dvp] * dp[0]) +
\r
1248 (vp[9 + dvp] * dp[1]) +
\r
1249 (vp[8 + dvp] * dp[2]) +
\r
1250 (vp[7 + dvp] * dp[3]) +
\r
1251 (vp[6 + dvp] * dp[4]) +
\r
1252 (vp[5 + dvp] * dp[5]) +
\r
1253 (vp[4 + dvp] * dp[6]) +
\r
1254 (vp[3 + dvp] * dp[7]) +
\r
1255 (vp[2 + dvp] * dp[8]) +
\r
1256 (vp[1 + dvp] * dp[9]) +
\r
1257 (vp[0 + dvp] * dp[10]) +
\r
1258 (vp[15 + dvp] * dp[11]) +
\r
1259 (vp[14 + dvp] * dp[12]) +
\r
1260 (vp[13 + dvp] * dp[13]) +
\r
1261 (vp[12 + dvp] * dp[14]) +
\r
1262 (vp[11 + dvp] * dp[15])
\r
1265 tmpOut[i] = pcm_sample;
\r
1270 private void compute_pcm_samples11(Obuffer buffer)
\r
1272 final float[] vp = actual_v;
\r
1274 //int inc = v_inc;
\r
1275 final float[] tmpOut = _tmpOut;
\r
1278 // fat chance of having this loop unroll
\r
1279 for( int i=0; i<32; i++)
\r
1281 final float[] dp = d16[i];
\r
1284 pcm_sample = (float)(((vp[11 + dvp] * dp[0]) +
\r
1285 (vp[10 + dvp] * dp[1]) +
\r
1286 (vp[9 + dvp] * dp[2]) +
\r
1287 (vp[8 + dvp] * dp[3]) +
\r
1288 (vp[7 + dvp] * dp[4]) +
\r
1289 (vp[6 + dvp] * dp[5]) +
\r
1290 (vp[5 + dvp] * dp[6]) +
\r
1291 (vp[4 + dvp] * dp[7]) +
\r
1292 (vp[3 + dvp] * dp[8]) +
\r
1293 (vp[2 + dvp] * dp[9]) +
\r
1294 (vp[1 + dvp] * dp[10]) +
\r
1295 (vp[0 + dvp] * dp[11]) +
\r
1296 (vp[15 + dvp] * dp[12]) +
\r
1297 (vp[14 + dvp] * dp[13]) +
\r
1298 (vp[13 + dvp] * dp[14]) +
\r
1299 (vp[12 + dvp] * dp[15])
\r
1302 tmpOut[i] = pcm_sample;
\r
1307 private void compute_pcm_samples12(Obuffer buffer)
\r
1309 final float[] vp = actual_v;
\r
1310 //int inc = v_inc;
\r
1311 final float[] tmpOut = _tmpOut;
\r
1314 // fat chance of having this loop unroll
\r
1315 for( int i=0; i<32; i++)
\r
1317 final float[] dp = d16[i];
\r
1320 pcm_sample = (float)(((vp[12 + dvp] * dp[0]) +
\r
1321 (vp[11 + dvp] * dp[1]) +
\r
1322 (vp[10 + dvp] * dp[2]) +
\r
1323 (vp[9 + dvp] * dp[3]) +
\r
1324 (vp[8 + dvp] * dp[4]) +
\r
1325 (vp[7 + dvp] * dp[5]) +
\r
1326 (vp[6 + dvp] * dp[6]) +
\r
1327 (vp[5 + dvp] * dp[7]) +
\r
1328 (vp[4 + dvp] * dp[8]) +
\r
1329 (vp[3 + dvp] * dp[9]) +
\r
1330 (vp[2 + dvp] * dp[10]) +
\r
1331 (vp[1 + dvp] * dp[11]) +
\r
1332 (vp[0 + dvp] * dp[12]) +
\r
1333 (vp[15 + dvp] * dp[13]) +
\r
1334 (vp[14 + dvp] * dp[14]) +
\r
1335 (vp[13 + dvp] * dp[15])
\r
1338 tmpOut[i] = pcm_sample;
\r
1343 private void compute_pcm_samples13(Obuffer buffer)
\r
1345 final float[] vp = actual_v;
\r
1347 //int inc = v_inc;
\r
1348 final float[] tmpOut = _tmpOut;
\r
1351 // fat chance of having this loop unroll
\r
1352 for( int i=0; i<32; i++)
\r
1354 final float[] dp = d16[i];
\r
1357 pcm_sample = (float)(((vp[13 + dvp] * dp[0]) +
\r
1358 (vp[12 + dvp] * dp[1]) +
\r
1359 (vp[11 + dvp] * dp[2]) +
\r
1360 (vp[10 + dvp] * dp[3]) +
\r
1361 (vp[9 + dvp] * dp[4]) +
\r
1362 (vp[8 + dvp] * dp[5]) +
\r
1363 (vp[7 + dvp] * dp[6]) +
\r
1364 (vp[6 + dvp] * dp[7]) +
\r
1365 (vp[5 + dvp] * dp[8]) +
\r
1366 (vp[4 + dvp] * dp[9]) +
\r
1367 (vp[3 + dvp] * dp[10]) +
\r
1368 (vp[2 + dvp] * dp[11]) +
\r
1369 (vp[1 + dvp] * dp[12]) +
\r
1370 (vp[0 + dvp] * dp[13]) +
\r
1371 (vp[15 + dvp] * dp[14]) +
\r
1372 (vp[14 + dvp] * dp[15])
\r
1375 tmpOut[i] = pcm_sample;
\r
1380 private void compute_pcm_samples14(Obuffer buffer)
\r
1382 final float[] vp = actual_v;
\r
1384 //int inc = v_inc;
\r
1385 final float[] tmpOut = _tmpOut;
\r
1388 // fat chance of having this loop unroll
\r
1389 for( int i=0; i<32; i++)
\r
1391 final float[] dp = d16[i];
\r
1394 pcm_sample = (float)(((vp[14 + dvp] * dp[0]) +
\r
1395 (vp[13 + dvp] * dp[1]) +
\r
1396 (vp[12 + dvp] * dp[2]) +
\r
1397 (vp[11 + dvp] * dp[3]) +
\r
1398 (vp[10 + dvp] * dp[4]) +
\r
1399 (vp[9 + dvp] * dp[5]) +
\r
1400 (vp[8 + dvp] * dp[6]) +
\r
1401 (vp[7 + dvp] * dp[7]) +
\r
1402 (vp[6 + dvp] * dp[8]) +
\r
1403 (vp[5 + dvp] * dp[9]) +
\r
1404 (vp[4 + dvp] * dp[10]) +
\r
1405 (vp[3 + dvp] * dp[11]) +
\r
1406 (vp[2 + dvp] * dp[12]) +
\r
1407 (vp[1 + dvp] * dp[13]) +
\r
1408 (vp[0 + dvp] * dp[14]) +
\r
1409 (vp[15 + dvp] * dp[15])
\r
1412 tmpOut[i] = pcm_sample;
\r
1417 private void compute_pcm_samples15(Obuffer buffer)
\r
1419 final float[] vp = actual_v;
\r
1421 //int inc = v_inc;
\r
1422 final float[] tmpOut = _tmpOut;
\r
1425 // fat chance of having this loop unroll
\r
1426 for( int i=0; i<32; i++)
\r
1429 final float dp[] = d16[i];
\r
1430 pcm_sample = (float)(((vp[15 + dvp] * dp[0]) +
\r
1431 (vp[14 + dvp] * dp[1]) +
\r
1432 (vp[13 + dvp] * dp[2]) +
\r
1433 (vp[12 + dvp] * dp[3]) +
\r
1434 (vp[11 + dvp] * dp[4]) +
\r
1435 (vp[10 + dvp] * dp[5]) +
\r
1436 (vp[9 + dvp] * dp[6]) +
\r
1437 (vp[8 + dvp] * dp[7]) +
\r
1438 (vp[7 + dvp] * dp[8]) +
\r
1439 (vp[6 + dvp] * dp[9]) +
\r
1440 (vp[5 + dvp] * dp[10]) +
\r
1441 (vp[4 + dvp] * dp[11]) +
\r
1442 (vp[3 + dvp] * dp[12]) +
\r
1443 (vp[2 + dvp] * dp[13]) +
\r
1444 (vp[1 + dvp] * dp[14]) +
\r
1445 (vp[0 + dvp] * dp[15])
\r
1448 tmpOut[i] = pcm_sample;
\r
1453 private void compute_pcm_samples(Obuffer buffer)
\r
1456 switch (actual_write_pos)
\r
1459 compute_pcm_samples0(buffer);
\r
1462 compute_pcm_samples1(buffer);
\r
1465 compute_pcm_samples2(buffer);
\r
1468 compute_pcm_samples3(buffer);
\r
1471 compute_pcm_samples4(buffer);
\r
1474 compute_pcm_samples5(buffer);
\r
1477 compute_pcm_samples6(buffer);
\r
1480 compute_pcm_samples7(buffer);
\r
1483 compute_pcm_samples8(buffer);
\r
1486 compute_pcm_samples9(buffer);
\r
1489 compute_pcm_samples10(buffer);
\r
1492 compute_pcm_samples11(buffer);
\r
1495 compute_pcm_samples12(buffer);
\r
1498 compute_pcm_samples13(buffer);
\r
1501 compute_pcm_samples14(buffer);
\r
1504 compute_pcm_samples15(buffer);
\r
1510 buffer.appendSamples(channel, _tmpOut);
\r
1514 // MDM: I was considering putting in quality control for
\r
1515 // low-spec CPUs, but the performance gain (about 10-15%)
\r
1516 // did not justify the considerable drop in audio quality.
\r
1520 buffer.appendSamples(channel, tmpOut);
\r
1523 for (int i=0; i<16; i++)
\r
1525 buffer.append(channel, (short)tmpOut[i]);
\r
1526 buffer.append(channel, (short)tmpOut[i]);
\r
1530 for (int i=0; i<8; i++)
\r
1532 buffer.append(channel, (short)tmpOut[i]);
\r
1533 buffer.append(channel, (short)tmpOut[i]);
\r
1534 buffer.append(channel, (short)tmpOut[i]);
\r
1535 buffer.append(channel, (short)tmpOut[i]);
\r
1544 * Calculate 32 PCM samples and put the into the Obuffer-object.
\r
1547 public void calculate_pcm_samples(Obuffer buffer)
\r
1550 compute_pcm_samples(buffer);
\r
1552 actual_write_pos = (actual_write_pos + 1) & 0xf;
\r
1553 actual_v = (actual_v == v1) ? v2 : v1;
\r
1555 // initialize samples[]:
\r
1556 //for (register float *floatp = samples + 32; floatp > samples; )
\r
1557 // *--floatp = 0.0f;
\r
1559 // MDM: this may not be necessary. The Layer III decoder always
\r
1560 // outputs 32 subband samples, but I haven't checked layer I & II.
\r
1561 for (int p=0;p<32;p++)
\r
1562 samples[p] = 0.0f;
\r
1566 private static final double MY_PI = 3.14159265358979323846;
\r
1567 private static final float cos1_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI / 64.0)));
\r
1568 private static final float cos3_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 3.0 / 64.0)));
\r
1569 private static final float cos5_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 5.0 / 64.0)));
\r
1570 private static final float cos7_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 7.0 / 64.0)));
\r
1571 private static final float cos9_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 9.0 / 64.0)));
\r
1572 private static final float cos11_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 11.0 / 64.0)));
\r
1573 private static final float cos13_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 13.0 / 64.0)));
\r
1574 private static final float cos15_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 15.0 / 64.0)));
\r
1575 private static final float cos17_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 17.0 / 64.0)));
\r
1576 private static final float cos19_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 19.0 / 64.0)));
\r
1577 private static final float cos21_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 21.0 / 64.0)));
\r
1578 private static final float cos23_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 23.0 / 64.0)));
\r
1579 private static final float cos25_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 25.0 / 64.0)));
\r
1580 private static final float cos27_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 27.0 / 64.0)));
\r
1581 private static final float cos29_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 29.0 / 64.0)));
\r
1582 private static final float cos31_64 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 31.0 / 64.0)));
\r
1583 private static final float cos1_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI / 32.0)));
\r
1584 private static final float cos3_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 3.0 / 32.0)));
\r
1585 private static final float cos5_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 5.0 / 32.0)));
\r
1586 private static final float cos7_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 7.0 / 32.0)));
\r
1587 private static final float cos9_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 9.0 / 32.0)));
\r
1588 private static final float cos11_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 11.0 / 32.0)));
\r
1589 private static final float cos13_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 13.0 / 32.0)));
\r
1590 private static final float cos15_32 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 15.0 / 32.0)));
\r
1591 private static final float cos1_16 =(float) (1.0 / (2.0 * Math.cos(MY_PI / 16.0)));
\r
1592 private static final float cos3_16 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 3.0 / 16.0)));
\r
1593 private static final float cos5_16 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 5.0 / 16.0)));
\r
1594 private static final float cos7_16 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 7.0 / 16.0)));
\r
1595 private static final float cos1_8 =(float) (1.0 / (2.0 * Math.cos(MY_PI / 8.0)));
\r
1596 private static final float cos3_8 =(float) (1.0 / (2.0 * Math.cos(MY_PI * 3.0 / 8.0)));
\r
1597 private static final float cos1_4 =(float) (1.0 / (2.0 * Math.cos(MY_PI / 4.0)));
\r
1599 // Note: These values are not in the same order
\r
1600 // as in Annex 3-B.3 of the ISO/IEC DIS 11172-3
\r
1601 // private float d[] = {0.000000000, -4.000442505};
\r
1603 private static float d[] = null;
\r
1606 * d[] split into subarrays of length 16. This provides for
\r
1607 * more faster access by allowing a block of 16 to be addressed
\r
1608 * with constant offset.
\r
1610 private static float d16[][] = null;
\r
1613 * Loads the data for the d[] from the resource SFd.ser.
\r
1614 * @return the loaded values for d[].
\r
1616 static private float[] load_d()
\r
1620 Class elemType = Float.TYPE;
\r
1621 Object o = JavaLayerUtils.deserializeArrayResource("sfd.ser", elemType, 512);
\r
1622 return (float[])o;
\r
1624 catch (IOException ex)
\r
1626 throw new ExceptionInInitializerError(ex);
\r
1631 * Converts a 1D array into a number of smaller arrays. This is used
\r
1632 * to achieve offset + constant indexing into an array. Each sub-array
\r
1633 * represents a block of values of the original array.
\r
1634 * @param array The array to split up into blocks.
\r
1635 * @param blockSize The size of the blocks to split the array
\r
1636 * into. This must be an exact divisor of
\r
1637 * the length of the array, or some data
\r
1638 * will be lost from the main array.
\r
1640 * @return An array of arrays in which each element in the returned
\r
1641 * array will be of length <code>blockSize</code>.
\r
1643 static private float[][] splitArray(final float[] array, final int blockSize)
\r
1645 int size = array.length / blockSize;
\r
1646 float[][] split = new float[size][];
\r
1647 for (int i=0; i<size; i++)
\r
1649 split[i] = subArray(array, i*blockSize, blockSize);
\r
1655 * Returns a subarray of an existing array.
\r
1657 * @param array The array to retrieve a subarra from.
\r
1658 * @param offs The offset in the array that corresponds to
\r
1659 * the first index of the subarray.
\r
1660 * @param len The number of indeces in the subarray.
\r
1661 * @return The subarray, which may be of length 0.
\r
1663 static private float[] subArray(final float[] array, final int offs, int len)
\r
1665 if (offs+len > array.length)
\r
1667 len = array.length-offs;
\r
1673 float[] subarray = new float[len];
\r
1674 for (int i=0; i<len; i++)
\r
1676 subarray[i] = array[offs+i];
\r
1682 // The original data for d[]. This data is loaded from a file
\r
1683 // to reduce the overall package size and to improve performance.
\r
1685 static final float d_data[] = {
\r
1686 0.000000000f, -0.000442505f, 0.003250122f, -0.007003784f,
\r
1687 0.031082153f, -0.078628540f, 0.100311279f, -0.572036743f,
\r
1688 1.144989014f, 0.572036743f, 0.100311279f, 0.078628540f,
\r
1689 0.031082153f, 0.007003784f, 0.003250122f, 0.000442505f,
\r
1690 -0.000015259f, -0.000473022f, 0.003326416f, -0.007919312f,
\r
1691 0.030517578f, -0.084182739f, 0.090927124f, -0.600219727f,
\r
1692 1.144287109f, 0.543823242f, 0.108856201f, 0.073059082f,
\r
1693 0.031478882f, 0.006118774f, 0.003173828f, 0.000396729f,
\r
1694 -0.000015259f, -0.000534058f, 0.003387451f, -0.008865356f,
\r
1695 0.029785156f, -0.089706421f, 0.080688477f, -0.628295898f,
\r
1696 1.142211914f, 0.515609741f, 0.116577148f, 0.067520142f,
\r
1697 0.031738281f, 0.005294800f, 0.003082275f, 0.000366211f,
\r
1698 -0.000015259f, -0.000579834f, 0.003433228f, -0.009841919f,
\r
1699 0.028884888f, -0.095169067f, 0.069595337f, -0.656219482f,
\r
1700 1.138763428f, 0.487472534f, 0.123474121f, 0.061996460f,
\r
1701 0.031845093f, 0.004486084f, 0.002990723f, 0.000320435f,
\r
1702 -0.000015259f, -0.000625610f, 0.003463745f, -0.010848999f,
\r
1703 0.027801514f, -0.100540161f, 0.057617188f, -0.683914185f,
\r
1704 1.133926392f, 0.459472656f, 0.129577637f, 0.056533813f,
\r
1705 0.031814575f, 0.003723145f, 0.002899170f, 0.000289917f,
\r
1706 -0.000015259f, -0.000686646f, 0.003479004f, -0.011886597f,
\r
1707 0.026535034f, -0.105819702f, 0.044784546f, -0.711318970f,
\r
1708 1.127746582f, 0.431655884f, 0.134887695f, 0.051132202f,
\r
1709 0.031661987f, 0.003005981f, 0.002792358f, 0.000259399f,
\r
1710 -0.000015259f, -0.000747681f, 0.003479004f, -0.012939453f,
\r
1711 0.025085449f, -0.110946655f, 0.031082153f, -0.738372803f,
\r
1712 1.120223999f, 0.404083252f, 0.139450073f, 0.045837402f,
\r
1713 0.031387329f, 0.002334595f, 0.002685547f, 0.000244141f,
\r
1714 -0.000030518f, -0.000808716f, 0.003463745f, -0.014022827f,
\r
1715 0.023422241f, -0.115921021f, 0.016510010f, -0.765029907f,
\r
1716 1.111373901f, 0.376800537f, 0.143264771f, 0.040634155f,
\r
1717 0.031005859f, 0.001693726f, 0.002578735f, 0.000213623f,
\r
1718 -0.000030518f, -0.000885010f, 0.003417969f, -0.015121460f,
\r
1719 0.021575928f, -0.120697021f, 0.001068115f, -0.791213989f,
\r
1720 1.101211548f, 0.349868774f, 0.146362305f, 0.035552979f,
\r
1721 0.030532837f, 0.001098633f, 0.002456665f, 0.000198364f,
\r
1722 -0.000030518f, -0.000961304f, 0.003372192f, -0.016235352f,
\r
1723 0.019531250f, -0.125259399f, -0.015228271f, -0.816864014f,
\r
1724 1.089782715f, 0.323318481f, 0.148773193f, 0.030609131f,
\r
1725 0.029937744f, 0.000549316f, 0.002349854f, 0.000167847f,
\r
1726 -0.000030518f, -0.001037598f, 0.003280640f, -0.017349243f,
\r
1727 0.017257690f, -0.129562378f, -0.032379150f, -0.841949463f,
\r
1728 1.077117920f, 0.297210693f, 0.150497437f, 0.025817871f,
\r
1729 0.029281616f, 0.000030518f, 0.002243042f, 0.000152588f,
\r
1730 -0.000045776f, -0.001113892f, 0.003173828f, -0.018463135f,
\r
1731 0.014801025f, -0.133590698f, -0.050354004f, -0.866363525f,
\r
1732 1.063217163f, 0.271591187f, 0.151596069f, 0.021179199f,
\r
1733 0.028533936f, -0.000442505f, 0.002120972f, 0.000137329f,
\r
1734 -0.000045776f, -0.001205444f, 0.003051758f, -0.019577026f,
\r
1735 0.012115479f, -0.137298584f, -0.069168091f, -0.890090942f,
\r
1736 1.048156738f, 0.246505737f, 0.152069092f, 0.016708374f,
\r
1737 0.027725220f, -0.000869751f, 0.002014160f, 0.000122070f,
\r
1738 -0.000061035f, -0.001296997f, 0.002883911f, -0.020690918f,
\r
1739 0.009231567f, -0.140670776f, -0.088775635f, -0.913055420f,
\r
1740 1.031936646f, 0.221984863f, 0.151962280f, 0.012420654f,
\r
1741 0.026840210f, -0.001266479f, 0.001907349f, 0.000106812f,
\r
1742 -0.000061035f, -0.001388550f, 0.002700806f, -0.021789551f,
\r
1743 0.006134033f, -0.143676758f, -0.109161377f, -0.935195923f,
\r
1744 1.014617920f, 0.198059082f, 0.151306152f, 0.008316040f,
\r
1745 0.025909424f, -0.001617432f, 0.001785278f, 0.000106812f,
\r
1746 -0.000076294f, -0.001480103f, 0.002487183f, -0.022857666f,
\r
1747 0.002822876f, -0.146255493f, -0.130310059f, -0.956481934f,
\r
1748 0.996246338f, 0.174789429f, 0.150115967f, 0.004394531f,
\r
1749 0.024932861f, -0.001937866f, 0.001693726f, 0.000091553f,
\r
1750 -0.000076294f, -0.001586914f, 0.002227783f, -0.023910522f,
\r
1751 -0.000686646f, -0.148422241f, -0.152206421f, -0.976852417f,
\r
1752 0.976852417f, 0.152206421f, 0.148422241f, 0.000686646f,
\r
1753 0.023910522f, -0.002227783f, 0.001586914f, 0.000076294f,
\r
1754 -0.000091553f, -0.001693726f, 0.001937866f, -0.024932861f,
\r
1755 -0.004394531f, -0.150115967f, -0.174789429f, -0.996246338f,
\r
1756 0.956481934f, 0.130310059f, 0.146255493f, -0.002822876f,
\r
1757 0.022857666f, -0.002487183f, 0.001480103f, 0.000076294f,
\r
1758 -0.000106812f, -0.001785278f, 0.001617432f, -0.025909424f,
\r
1759 -0.008316040f, -0.151306152f, -0.198059082f, -1.014617920f,
\r
1760 0.935195923f, 0.109161377f, 0.143676758f, -0.006134033f,
\r
1761 0.021789551f, -0.002700806f, 0.001388550f, 0.000061035f,
\r
1762 -0.000106812f, -0.001907349f, 0.001266479f, -0.026840210f,
\r
1763 -0.012420654f, -0.151962280f, -0.221984863f, -1.031936646f,
\r
1764 0.913055420f, 0.088775635f, 0.140670776f, -0.009231567f,
\r
1765 0.020690918f, -0.002883911f, 0.001296997f, 0.000061035f,
\r
1766 -0.000122070f, -0.002014160f, 0.000869751f, -0.027725220f,
\r
1767 -0.016708374f, -0.152069092f, -0.246505737f, -1.048156738f,
\r
1768 0.890090942f, 0.069168091f, 0.137298584f, -0.012115479f,
\r
1769 0.019577026f, -0.003051758f, 0.001205444f, 0.000045776f,
\r
1770 -0.000137329f, -0.002120972f, 0.000442505f, -0.028533936f,
\r
1771 -0.021179199f, -0.151596069f, -0.271591187f, -1.063217163f,
\r
1772 0.866363525f, 0.050354004f, 0.133590698f, -0.014801025f,
\r
1773 0.018463135f, -0.003173828f, 0.001113892f, 0.000045776f,
\r
1774 -0.000152588f, -0.002243042f, -0.000030518f, -0.029281616f,
\r
1775 -0.025817871f, -0.150497437f, -0.297210693f, -1.077117920f,
\r
1776 0.841949463f, 0.032379150f, 0.129562378f, -0.017257690f,
\r
1777 0.017349243f, -0.003280640f, 0.001037598f, 0.000030518f,
\r
1778 -0.000167847f, -0.002349854f, -0.000549316f, -0.029937744f,
\r
1779 -0.030609131f, -0.148773193f, -0.323318481f, -1.089782715f,
\r
1780 0.816864014f, 0.015228271f, 0.125259399f, -0.019531250f,
\r
1781 0.016235352f, -0.003372192f, 0.000961304f, 0.000030518f,
\r
1782 -0.000198364f, -0.002456665f, -0.001098633f, -0.030532837f,
\r
1783 -0.035552979f, -0.146362305f, -0.349868774f, -1.101211548f,
\r
1784 0.791213989f, -0.001068115f, 0.120697021f, -0.021575928f,
\r
1785 0.015121460f, -0.003417969f, 0.000885010f, 0.000030518f,
\r
1786 -0.000213623f, -0.002578735f, -0.001693726f, -0.031005859f,
\r
1787 -0.040634155f, -0.143264771f, -0.376800537f, -1.111373901f,
\r
1788 0.765029907f, -0.016510010f, 0.115921021f, -0.023422241f,
\r
1789 0.014022827f, -0.003463745f, 0.000808716f, 0.000030518f,
\r
1790 -0.000244141f, -0.002685547f, -0.002334595f, -0.031387329f,
\r
1791 -0.045837402f, -0.139450073f, -0.404083252f, -1.120223999f,
\r
1792 0.738372803f, -0.031082153f, 0.110946655f, -0.025085449f,
\r
1793 0.012939453f, -0.003479004f, 0.000747681f, 0.000015259f,
\r
1794 -0.000259399f, -0.002792358f, -0.003005981f, -0.031661987f,
\r
1795 -0.051132202f, -0.134887695f, -0.431655884f, -1.127746582f,
\r
1796 0.711318970f, -0.044784546f, 0.105819702f, -0.026535034f,
\r
1797 0.011886597f, -0.003479004f, 0.000686646f, 0.000015259f,
\r
1798 -0.000289917f, -0.002899170f, -0.003723145f, -0.031814575f,
\r
1799 -0.056533813f, -0.129577637f, -0.459472656f, -1.133926392f,
\r
1800 0.683914185f, -0.057617188f, 0.100540161f, -0.027801514f,
\r
1801 0.010848999f, -0.003463745f, 0.000625610f, 0.000015259f,
\r
1802 -0.000320435f, -0.002990723f, -0.004486084f, -0.031845093f,
\r
1803 -0.061996460f, -0.123474121f, -0.487472534f, -1.138763428f,
\r
1804 0.656219482f, -0.069595337f, 0.095169067f, -0.028884888f,
\r
1805 0.009841919f, -0.003433228f, 0.000579834f, 0.000015259f,
\r
1806 -0.000366211f, -0.003082275f, -0.005294800f, -0.031738281f,
\r
1807 -0.067520142f, -0.116577148f, -0.515609741f, -1.142211914f,
\r
1808 0.628295898f, -0.080688477f, 0.089706421f, -0.029785156f,
\r
1809 0.008865356f, -0.003387451f, 0.000534058f, 0.000015259f,
\r
1810 -0.000396729f, -0.003173828f, -0.006118774f, -0.031478882f,
\r
1811 -0.073059082f, -0.108856201f, -0.543823242f, -1.144287109f,
\r
1812 0.600219727f, -0.090927124f, 0.084182739f, -0.030517578f,
\r
1813 0.007919312f, -0.003326416f, 0.000473022f, 0.000015259f
\r