1 /*
  2  * Copyright (c) 2017, 2021, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.  Oracle designates this
  8  * particular file as subject to the "Classpath" exception as provided
  9  * by Oracle in the LICENSE file that accompanied this code.
 10  *
 11  * This code is distributed in the hope that it will be useful, but WITHOUT
 12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 14  * version 2 for more details (a copy is included in the LICENSE file that
 15  * accompanied this code).
 16  *
 17  * You should have received a copy of the GNU General Public License version
 18  * 2 along with this work; if not, write to the Free Software Foundation,
 19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 20  *
 21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 22  * or visit www.oracle.com if you need additional information or have any
 23  * questions.
 24  */
 25 package jdk.incubator.vector;
 26 
 27 import java.nio.ByteBuffer;
 28 import java.util.Arrays;
 29 import java.util.Objects;
 30 import java.util.function.IntUnaryOperator;
 31 
 32 import jdk.internal.vm.annotation.ForceInline;
 33 import jdk.internal.vm.vector.VectorSupport;
 34 
 35 import static jdk.internal.vm.vector.VectorSupport.*;
 36 
 37 import static jdk.incubator.vector.VectorOperators.*;
 38 
 39 // -- This file was mechanically generated: Do not edit! -- //
 40 
 41 @SuppressWarnings("cast")  // warning: redundant cast
 42 final class DoubleMaxVector extends DoubleVector {
 43     static final DoubleSpecies VSPECIES =
 44         (DoubleSpecies) DoubleVector.SPECIES_MAX;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<DoubleMaxVector> VCLASS = DoubleMaxVector.class;
 50 
 51     static final int VSIZE = VSPECIES.vectorBitSize();
 52 
 53     static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
 54 
 55     static final Class<Double> ETYPE = double.class; // used by the JVM
 56 
 57     DoubleMaxVector(double[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as DoubleMaxVector::new,
 62     // stored into species.vectorFactory.
 63     DoubleMaxVector(Object v) {
 64         this((double[]) v);
 65     }
 66 
 67     static final DoubleMaxVector ZERO = new DoubleMaxVector(new double[VLENGTH]);
 68     static final DoubleMaxVector IOTA = new DoubleMaxVector(VSPECIES.iotaArray());
 69 
 70     static {
 71         // Warm up a few species caches.
 72         // If we do this too much we will
 73         // get NPEs from bootstrap circularity.
 74         VSPECIES.dummyVector();
 75         VSPECIES.withLanes(LaneType.BYTE);
 76     }
 77 
 78     // Specialized extractors
 79 
 80     @ForceInline
 81     final @Override
 82     public DoubleSpecies vspecies() {
 83         // ISSUE:  This should probably be a @Stable
 84         // field inside AbstractVector, rather than
 85         // a megamorphic method.
 86         return VSPECIES;
 87     }
 88 
 89     @ForceInline
 90     @Override
 91     public final Class<Double> elementType() { return double.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Double.SIZE; }
 96 
 97     @ForceInline
 98     @Override
 99     public final VectorShape shape() { return VSHAPE; }
100 
101     @ForceInline
102     @Override
103     public final int length() { return VLENGTH; }
104 
105     @ForceInline
106     @Override
107     public final int bitSize() { return VSIZE; }
108 
109     @ForceInline
110     @Override
111     public final int byteSize() { return VSIZE / Byte.SIZE; }
112 
113     /*package-private*/
114     @ForceInline
115     final @Override
116     double[] vec() {
117         return (double[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final DoubleMaxVector broadcast(double e) {
125         return (DoubleMaxVector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final DoubleMaxVector broadcast(long e) {
131         return (DoubleMaxVector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     DoubleMaxMask maskFromArray(boolean[] bits) {
137         return new DoubleMaxMask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     DoubleMaxShuffle iotaShuffle() { return DoubleMaxShuffle.IOTA; }
143 
144     @ForceInline
145     DoubleMaxShuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (DoubleMaxShuffle)VectorSupport.shuffleIota(ETYPE, DoubleMaxShuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (DoubleMaxShuffle)VectorSupport.shuffleIota(ETYPE, DoubleMaxShuffle.class, VSPECIES, VLENGTH, start, step, 0,
151                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (i*lstep + lstart)));
152       }
153     }
154 
155     @Override
156     @ForceInline
157     DoubleMaxShuffle shuffleFromBytes(byte[] reorder) { return new DoubleMaxShuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     DoubleMaxShuffle shuffleFromArray(int[] indexes, int i) { return new DoubleMaxShuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     DoubleMaxShuffle shuffleFromOp(IntUnaryOperator fn) { return new DoubleMaxShuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     DoubleMaxVector vectorFactory(double[] vec) {
171         return new DoubleMaxVector(vec);
172     }
173 
174     @ForceInline
175     final @Override
176     ByteMaxVector asByteVectorRaw() {
177         return (ByteMaxVector) super.asByteVectorRawTemplate();  // specialize
178     }
179 
180     @ForceInline
181     final @Override
182     AbstractVector<?> asVectorRaw(LaneType laneType) {
183         return super.asVectorRawTemplate(laneType);  // specialize
184     }
185 
186     // Unary operator
187 
188     @ForceInline
189     final @Override
190     DoubleMaxVector uOp(FUnOp f) {
191         return (DoubleMaxVector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     DoubleMaxVector uOp(VectorMask<Double> m, FUnOp f) {
197         return (DoubleMaxVector)
198             super.uOpTemplate((DoubleMaxMask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     DoubleMaxVector bOp(Vector<Double> v, FBinOp f) {
206         return (DoubleMaxVector) super.bOpTemplate((DoubleMaxVector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     DoubleMaxVector bOp(Vector<Double> v,
212                      VectorMask<Double> m, FBinOp f) {
213         return (DoubleMaxVector)
214             super.bOpTemplate((DoubleMaxVector)v, (DoubleMaxMask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     DoubleMaxVector tOp(Vector<Double> v1, Vector<Double> v2, FTriOp f) {
223         return (DoubleMaxVector)
224             super.tOpTemplate((DoubleMaxVector)v1, (DoubleMaxVector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     DoubleMaxVector tOp(Vector<Double> v1, Vector<Double> v2,
231                      VectorMask<Double> m, FTriOp f) {
232         return (DoubleMaxVector)
233             super.tOpTemplate((DoubleMaxVector)v1, (DoubleMaxVector)v2,
234                               (DoubleMaxMask)m, f);  // specialize
235     }
236 
237     @ForceInline
238     final @Override
239     double rOp(double v, VectorMask<Double> m, FBinOp f) {
240         return super.rOpTemplate(v, m, f);  // specialize
241     }
242 
243     @Override
244     @ForceInline
245     public final <F>
246     Vector<F> convertShape(VectorOperators.Conversion<Double,F> conv,
247                            VectorSpecies<F> rsp, int part) {
248         return super.convertShapeTemplate(conv, rsp, part);  // specialize
249     }
250 
251     @Override
252     @ForceInline
253     public final <F>
254     Vector<F> reinterpretShape(VectorSpecies<F> toSpecies, int part) {
255         return super.reinterpretShapeTemplate(toSpecies, part);  // specialize
256     }
257 
258     // Specialized algebraic operations:
259 
260     // The following definition forces a specialized version of this
261     // crucial method into the v-table of this class.  A call to add()
262     // will inline to a call to lanewise(ADD,), at which point the JIT
263     // intrinsic will have the opcode of ADD, plus all the metadata
264     // for this particular class, enabling it to generate precise
265     // code.
266     //
267     // There is probably no benefit to the JIT to specialize the
268     // masked or broadcast versions of the lanewise method.
269 
270     @Override
271     @ForceInline
272     public DoubleMaxVector lanewise(Unary op) {
273         return (DoubleMaxVector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public DoubleMaxVector lanewise(Unary op, VectorMask<Double> m) {
279         return (DoubleMaxVector) super.lanewiseTemplate(op, DoubleMaxMask.class, (DoubleMaxMask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public DoubleMaxVector lanewise(Binary op, Vector<Double> v) {
285         return (DoubleMaxVector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public DoubleMaxVector lanewise(Binary op, Vector<Double> v, VectorMask<Double> m) {
291         return (DoubleMaxVector) super.lanewiseTemplate(op, DoubleMaxMask.class, v, (DoubleMaxMask) m);  // specialize
292     }
293 
294 
295     /*package-private*/
296     @Override
297     @ForceInline
298     public final
299     DoubleMaxVector
300     lanewise(Ternary op, Vector<Double> v1, Vector<Double> v2) {
301         return (DoubleMaxVector) super.lanewiseTemplate(op, v1, v2);  // specialize
302     }
303 
304     @Override
305     @ForceInline
306     public final
307     DoubleMaxVector
308     lanewise(Ternary op, Vector<Double> v1, Vector<Double> v2, VectorMask<Double> m) {
309         return (DoubleMaxVector) super.lanewiseTemplate(op, DoubleMaxMask.class, v1, v2, (DoubleMaxMask) m);  // specialize
310     }
311 
312     @Override
313     @ForceInline
314     public final
315     DoubleMaxVector addIndex(int scale) {
316         return (DoubleMaxVector) super.addIndexTemplate(scale);  // specialize
317     }
318 
319     // Type specific horizontal reductions
320 
321     @Override
322     @ForceInline
323     public final double reduceLanes(VectorOperators.Associative op) {
324         return super.reduceLanesTemplate(op);  // specialized
325     }
326 
327     @Override
328     @ForceInline
329     public final double reduceLanes(VectorOperators.Associative op,
330                                     VectorMask<Double> m) {
331         return super.reduceLanesTemplate(op, DoubleMaxMask.class, (DoubleMaxMask) m);  // specialized
332     }
333 
334     @Override
335     @ForceInline
336     public final long reduceLanesToLong(VectorOperators.Associative op) {
337         return (long) super.reduceLanesTemplate(op);  // specialized
338     }
339 
340     @Override
341     @ForceInline
342     public final long reduceLanesToLong(VectorOperators.Associative op,
343                                         VectorMask<Double> m) {
344         return (long) super.reduceLanesTemplate(op, DoubleMaxMask.class, (DoubleMaxMask) m);  // specialized
345     }
346 
347     @ForceInline
348     public VectorShuffle<Double> toShuffle() {
349         return super.toShuffleTemplate(DoubleMaxShuffle.class); // specialize
350     }
351 
352     // Specialized unary testing
353 
354     @Override
355     @ForceInline
356     public final DoubleMaxMask test(Test op) {
357         return super.testTemplate(DoubleMaxMask.class, op);  // specialize
358     }
359 
360     // Specialized comparisons
361 
362     @Override
363     @ForceInline
364     public final DoubleMaxMask compare(Comparison op, Vector<Double> v) {
365         return super.compareTemplate(DoubleMaxMask.class, op, v);  // specialize
366     }
367 
368     @Override
369     @ForceInline
370     public final DoubleMaxMask compare(Comparison op, double s) {
371         return super.compareTemplate(DoubleMaxMask.class, op, s);  // specialize
372     }
373 
374     @Override
375     @ForceInline
376     public final DoubleMaxMask compare(Comparison op, long s) {
377         return super.compareTemplate(DoubleMaxMask.class, op, s);  // specialize
378     }
379 
380     @Override
381     @ForceInline
382     public final DoubleMaxMask compare(Comparison op, Vector<Double> v, VectorMask<Double> m) {
383         return super.compareTemplate(DoubleMaxMask.class, op, v, (DoubleMaxMask) m);
384     }
385 
386 
387     @Override
388     @ForceInline
389     public DoubleMaxVector blend(Vector<Double> v, VectorMask<Double> m) {
390         return (DoubleMaxVector)
391             super.blendTemplate(DoubleMaxMask.class,
392                                 (DoubleMaxVector) v,
393                                 (DoubleMaxMask) m);  // specialize
394     }
395 
396     @Override
397     @ForceInline
398     public DoubleMaxVector slice(int origin, Vector<Double> v) {
399         return (DoubleMaxVector) super.sliceTemplate(origin, v);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public DoubleMaxVector slice(int origin) {
405         return (DoubleMaxVector) super.sliceTemplate(origin);  // specialize
406     }
407 
408     @Override
409     @ForceInline
410     public DoubleMaxVector unslice(int origin, Vector<Double> w, int part) {
411         return (DoubleMaxVector) super.unsliceTemplate(origin, w, part);  // specialize
412     }
413 
414     @Override
415     @ForceInline
416     public DoubleMaxVector unslice(int origin, Vector<Double> w, int part, VectorMask<Double> m) {
417         return (DoubleMaxVector)
418             super.unsliceTemplate(DoubleMaxMask.class,
419                                   origin, w, part,
420                                   (DoubleMaxMask) m);  // specialize
421     }
422 
423     @Override
424     @ForceInline
425     public DoubleMaxVector unslice(int origin) {
426         return (DoubleMaxVector) super.unsliceTemplate(origin);  // specialize
427     }
428 
429     @Override
430     @ForceInline
431     public DoubleMaxVector rearrange(VectorShuffle<Double> s) {
432         return (DoubleMaxVector)
433             super.rearrangeTemplate(DoubleMaxShuffle.class,
434                                     (DoubleMaxShuffle) s);  // specialize
435     }
436 
437     @Override
438     @ForceInline
439     public DoubleMaxVector rearrange(VectorShuffle<Double> shuffle,
440                                   VectorMask<Double> m) {
441         return (DoubleMaxVector)
442             super.rearrangeTemplate(DoubleMaxShuffle.class,
443                                     DoubleMaxMask.class,
444                                     (DoubleMaxShuffle) shuffle,
445                                     (DoubleMaxMask) m);  // specialize
446     }
447 
448     @Override
449     @ForceInline
450     public DoubleMaxVector rearrange(VectorShuffle<Double> s,
451                                   Vector<Double> v) {
452         return (DoubleMaxVector)
453             super.rearrangeTemplate(DoubleMaxShuffle.class,
454                                     (DoubleMaxShuffle) s,
455                                     (DoubleMaxVector) v);  // specialize
456     }
457 
458     @Override
459     @ForceInline
460     public DoubleMaxVector selectFrom(Vector<Double> v) {
461         return (DoubleMaxVector)
462             super.selectFromTemplate((DoubleMaxVector) v);  // specialize
463     }
464 
465     @Override
466     @ForceInline
467     public DoubleMaxVector selectFrom(Vector<Double> v,
468                                    VectorMask<Double> m) {
469         return (DoubleMaxVector)
470             super.selectFromTemplate((DoubleMaxVector) v,
471                                      (DoubleMaxMask) m);  // specialize
472     }
473 
474 
475     @ForceInline
476     @Override
477     public double lane(int i) {
478         if (i < 0 || i >= VLENGTH) {
479             throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
480         }
481         long bits = laneHelper(i);
482         return Double.longBitsToDouble(bits);
483     }
484 
485     public long laneHelper(int i) {
486         return (long) VectorSupport.extract(
487                      VCLASS, ETYPE, VLENGTH,
488                      this, i,
489                      (vec, ix) -> {
490                      double[] vecarr = vec.vec();
491                      return (long)Double.doubleToLongBits(vecarr[ix]);
492                      });
493     }
494 
495     @ForceInline
496     @Override
497     public DoubleMaxVector withLane(int i, double e) {
498         if (i < 0 || i >= VLENGTH) {
499             throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
500         }
501         return withLaneHelper(i, e);
502     }
503 
504     public DoubleMaxVector withLaneHelper(int i, double e) {
505         return VectorSupport.insert(
506                                 VCLASS, ETYPE, VLENGTH,
507                                 this, i, (long)Double.doubleToLongBits(e),
508                                 (v, ix, bits) -> {
509                                     double[] res = v.vec().clone();
510                                     res[ix] = Double.longBitsToDouble((long)bits);
511                                     return v.vectorFactory(res);
512                                 });
513     }
514 
515     // Mask
516 
517     static final class DoubleMaxMask extends AbstractMask<Double> {
518         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
519         static final Class<Double> ETYPE = double.class; // used by the JVM
520 
521         DoubleMaxMask(boolean[] bits) {
522             this(bits, 0);
523         }
524 
525         DoubleMaxMask(boolean[] bits, int offset) {
526             super(prepare(bits, offset));
527         }
528 
529         DoubleMaxMask(boolean val) {
530             super(prepare(val));
531         }
532 
533         private static boolean[] prepare(boolean[] bits, int offset) {
534             boolean[] newBits = new boolean[VSPECIES.laneCount()];
535             for (int i = 0; i < newBits.length; i++) {
536                 newBits[i] = bits[offset + i];
537             }
538             return newBits;
539         }
540 
541         private static boolean[] prepare(boolean val) {
542             boolean[] bits = new boolean[VSPECIES.laneCount()];
543             Arrays.fill(bits, val);
544             return bits;
545         }
546 
547         @ForceInline
548         final @Override
549         public DoubleSpecies vspecies() {
550             // ISSUE:  This should probably be a @Stable
551             // field inside AbstractMask, rather than
552             // a megamorphic method.
553             return VSPECIES;
554         }
555 
556         @ForceInline
557         boolean[] getBits() {
558             return (boolean[])getPayload();
559         }
560 
561         @Override
562         DoubleMaxMask uOp(MUnOp f) {
563             boolean[] res = new boolean[vspecies().laneCount()];
564             boolean[] bits = getBits();
565             for (int i = 0; i < res.length; i++) {
566                 res[i] = f.apply(i, bits[i]);
567             }
568             return new DoubleMaxMask(res);
569         }
570 
571         @Override
572         DoubleMaxMask bOp(VectorMask<Double> m, MBinOp f) {
573             boolean[] res = new boolean[vspecies().laneCount()];
574             boolean[] bits = getBits();
575             boolean[] mbits = ((DoubleMaxMask)m).getBits();
576             for (int i = 0; i < res.length; i++) {
577                 res[i] = f.apply(i, bits[i], mbits[i]);
578             }
579             return new DoubleMaxMask(res);
580         }
581 
582         @ForceInline
583         @Override
584         public final
585         DoubleMaxVector toVector() {
586             return (DoubleMaxVector) super.toVectorTemplate();  // specialize
587         }
588 
589         /**
590          * Helper function for lane-wise mask conversions.
591          * This function kicks in after intrinsic failure.
592          */
593         @ForceInline
594         private final <E>
595         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
596             if (length() != dsp.laneCount())
597                 throw new IllegalArgumentException("VectorMask length and species length differ");
598             boolean[] maskArray = toArray();
599             return  dsp.maskFactory(maskArray).check(dsp);
600         }
601 
602         @Override
603         @ForceInline
604         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
605             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
606             if (length() != species.laneCount())
607                 throw new IllegalArgumentException("VectorMask length and species length differ");
608 
609             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
610                 this.getClass(), ETYPE, VLENGTH,
611                 species.maskType(), species.elementType(), VLENGTH,
612                 this, species,
613                 (m, s) -> s.maskFactory(m.toArray()).check(s));
614         }
615 
616         @Override
617         @ForceInline
618         public DoubleMaxMask eq(VectorMask<Double> mask) {
619             Objects.requireNonNull(mask);
620             DoubleMaxMask m = (DoubleMaxMask)mask;
621             return xor(m.not());
622         }
623 
624         // Unary operations
625 
626         @Override
627         @ForceInline
628         public DoubleMaxMask not() {
629             return xor(maskAll(true));
630         }
631 
632         // Binary operations
633 
634         @Override
635         @ForceInline
636         public DoubleMaxMask and(VectorMask<Double> mask) {
637             Objects.requireNonNull(mask);
638             DoubleMaxMask m = (DoubleMaxMask)mask;
639             return VectorSupport.binaryOp(VECTOR_OP_AND, DoubleMaxMask.class, null, long.class, VLENGTH,
640                                           this, m, null,
641                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
642         }
643 
644         @Override
645         @ForceInline
646         public DoubleMaxMask or(VectorMask<Double> mask) {
647             Objects.requireNonNull(mask);
648             DoubleMaxMask m = (DoubleMaxMask)mask;
649             return VectorSupport.binaryOp(VECTOR_OP_OR, DoubleMaxMask.class, null, long.class, VLENGTH,
650                                           this, m, null,
651                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
652         }
653 
654         @ForceInline
655         /* package-private */
656         DoubleMaxMask xor(VectorMask<Double> mask) {
657             Objects.requireNonNull(mask);
658             DoubleMaxMask m = (DoubleMaxMask)mask;
659             return VectorSupport.binaryOp(VECTOR_OP_XOR, DoubleMaxMask.class, null, long.class, VLENGTH,
660                                           this, m, null,
661                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
662         }
663 
664         // Mask Query operations
665 
666         @Override
667         @ForceInline
668         public int trueCount() {
669             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, DoubleMaxMask.class, long.class, VLENGTH, this,
670                                                       (m) -> trueCountHelper(m.getBits()));
671         }
672 
673         @Override
674         @ForceInline
675         public int firstTrue() {
676             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, DoubleMaxMask.class, long.class, VLENGTH, this,
677                                                       (m) -> firstTrueHelper(m.getBits()));
678         }
679 
680         @Override
681         @ForceInline
682         public int lastTrue() {
683             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, DoubleMaxMask.class, long.class, VLENGTH, this,
684                                                       (m) -> lastTrueHelper(m.getBits()));
685         }
686 
687         @Override
688         @ForceInline
689         public long toLong() {
690             if (length() > Long.SIZE) {
691                 throw new UnsupportedOperationException("too many lanes for one long");
692             }
693             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, DoubleMaxMask.class, long.class, VLENGTH, this,
694                                                       (m) -> toLongHelper(m.getBits()));
695         }
696 
697         // Reductions
698 
699         @Override
700         @ForceInline
701         public boolean anyTrue() {
702             return VectorSupport.test(BT_ne, DoubleMaxMask.class, long.class, VLENGTH,
703                                          this, vspecies().maskAll(true),
704                                          (m, __) -> anyTrueHelper(((DoubleMaxMask)m).getBits()));
705         }
706 
707         @Override
708         @ForceInline
709         public boolean allTrue() {
710             return VectorSupport.test(BT_overflow, DoubleMaxMask.class, long.class, VLENGTH,
711                                          this, vspecies().maskAll(true),
712                                          (m, __) -> allTrueHelper(((DoubleMaxMask)m).getBits()));
713         }
714 
715         @ForceInline
716         /*package-private*/
717         static DoubleMaxMask maskAll(boolean bit) {
718             return VectorSupport.broadcastCoerced(DoubleMaxMask.class, long.class, VLENGTH,
719                                                   (bit ? -1 : 0), null,
720                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
721         }
722         private static final DoubleMaxMask  TRUE_MASK = new DoubleMaxMask(true);
723         private static final DoubleMaxMask FALSE_MASK = new DoubleMaxMask(false);
724 
725     }
726 
727     // Shuffle
728 
729     static final class DoubleMaxShuffle extends AbstractShuffle<Double> {
730         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
731         static final Class<Double> ETYPE = double.class; // used by the JVM
732 
733         DoubleMaxShuffle(byte[] reorder) {
734             super(VLENGTH, reorder);
735         }
736 
737         public DoubleMaxShuffle(int[] reorder) {
738             super(VLENGTH, reorder);
739         }
740 
741         public DoubleMaxShuffle(int[] reorder, int i) {
742             super(VLENGTH, reorder, i);
743         }
744 
745         public DoubleMaxShuffle(IntUnaryOperator fn) {
746             super(VLENGTH, fn);
747         }
748 
749         @Override
750         public DoubleSpecies vspecies() {
751             return VSPECIES;
752         }
753 
754         static {
755             // There must be enough bits in the shuffle lanes to encode
756             // VLENGTH valid indexes and VLENGTH exceptional ones.
757             assert(VLENGTH < Byte.MAX_VALUE);
758             assert(Byte.MIN_VALUE <= -VLENGTH);
759         }
760         static final DoubleMaxShuffle IOTA = new DoubleMaxShuffle(IDENTITY);
761 
762         @Override
763         @ForceInline
764         public DoubleMaxVector toVector() {
765             return VectorSupport.shuffleToVector(VCLASS, ETYPE, DoubleMaxShuffle.class, this, VLENGTH,
766                                                     (s) -> ((DoubleMaxVector)(((AbstractShuffle<Double>)(s)).toVectorTemplate())));
767         }
768 
769         @Override
770         @ForceInline
771         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
772             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
773             if (length() != species.laneCount())
774                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
775             int[] shuffleArray = toArray();
776             return s.shuffleFromArray(shuffleArray, 0).check(s);
777         }
778 
779         @ForceInline
780         @Override
781         public DoubleMaxShuffle rearrange(VectorShuffle<Double> shuffle) {
782             DoubleMaxShuffle s = (DoubleMaxShuffle) shuffle;
783             byte[] reorder1 = reorder();
784             byte[] reorder2 = s.reorder();
785             byte[] r = new byte[reorder1.length];
786             for (int i = 0; i < reorder1.length; i++) {
787                 int ssi = reorder2[i];
788                 r[i] = reorder1[ssi];  // throws on exceptional index
789             }
790             return new DoubleMaxShuffle(r);
791         }
792     }
793 
794     // ================================================
795 
796     // Specialized low-level memory operations.
797 
798     @ForceInline
799     @Override
800     final
801     DoubleVector fromArray0(double[] a, int offset) {
802         return super.fromArray0Template(a, offset);  // specialize
803     }
804 
805     @ForceInline
806     @Override
807     final
808     DoubleVector fromArray0(double[] a, int offset, VectorMask<Double> m) {
809         return super.fromArray0Template(DoubleMaxMask.class, a, offset, (DoubleMaxMask) m);  // specialize
810     }
811 
812     @ForceInline
813     @Override
814     final
815     DoubleVector fromArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
816         return super.fromArray0Template(DoubleMaxMask.class, a, offset, indexMap, mapOffset, (DoubleMaxMask) m);
817     }
818 
819 
820 
821     @ForceInline
822     @Override
823     final
824     DoubleVector fromByteArray0(byte[] a, int offset) {
825         return super.fromByteArray0Template(a, offset);  // specialize
826     }
827 
828     @ForceInline
829     @Override
830     final
831     DoubleVector fromByteArray0(byte[] a, int offset, VectorMask<Double> m) {
832         return super.fromByteArray0Template(DoubleMaxMask.class, a, offset, (DoubleMaxMask) m);  // specialize
833     }
834 
835     @ForceInline
836     @Override
837     final
838     DoubleVector fromByteBuffer0(ByteBuffer bb, int offset) {
839         return super.fromByteBuffer0Template(bb, offset);  // specialize
840     }
841 
842     @ForceInline
843     @Override
844     final
845     DoubleVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
846         return super.fromByteBuffer0Template(DoubleMaxMask.class, bb, offset, (DoubleMaxMask) m);  // specialize
847     }
848 
849     @ForceInline
850     @Override
851     final
852     void intoArray0(double[] a, int offset) {
853         super.intoArray0Template(a, offset);  // specialize
854     }
855 
856     @ForceInline
857     @Override
858     final
859     void intoArray0(double[] a, int offset, VectorMask<Double> m) {
860         super.intoArray0Template(DoubleMaxMask.class, a, offset, (DoubleMaxMask) m);
861     }
862 
863     @ForceInline
864     @Override
865     final
866     void intoArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
867         super.intoArray0Template(DoubleMaxMask.class, a, offset, indexMap, mapOffset, (DoubleMaxMask) m);
868     }
869 
870 
871     @ForceInline
872     @Override
873     final
874     void intoByteArray0(byte[] a, int offset) {
875         super.intoByteArray0Template(a, offset);  // specialize
876     }
877 
878     @ForceInline
879     @Override
880     final
881     void intoByteArray0(byte[] a, int offset, VectorMask<Double> m) {
882         super.intoByteArray0Template(DoubleMaxMask.class, a, offset, (DoubleMaxMask) m);  // specialize
883     }
884 
885     @ForceInline
886     @Override
887     final
888     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
889         super.intoByteBuffer0Template(DoubleMaxMask.class, bb, offset, (DoubleMaxMask) m);
890     }
891 
892 
893     // End of specialized low-level memory operations.
894 
895     // ================================================
896 
897 }