1 /*
  2  * Copyright (c) 2017, 2022, 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.util.Arrays;
 28 import java.util.Objects;
 29 import java.util.function.IntUnaryOperator;
 30 
 31 import jdk.incubator.foreign.MemorySegment;
 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     @Override
361     @ForceInline
362     public final DoubleMaxMask test(Test op, VectorMask<Double> m) {
363         return super.testTemplate(DoubleMaxMask.class, op, (DoubleMaxMask) m);  // specialize
364     }
365 
366     // Specialized comparisons
367 
368     @Override
369     @ForceInline
370     public final DoubleMaxMask compare(Comparison op, Vector<Double> v) {
371         return super.compareTemplate(DoubleMaxMask.class, op, v);  // specialize
372     }
373 
374     @Override
375     @ForceInline
376     public final DoubleMaxMask compare(Comparison op, double s) {
377         return super.compareTemplate(DoubleMaxMask.class, op, s);  // specialize
378     }
379 
380     @Override
381     @ForceInline
382     public final DoubleMaxMask compare(Comparison op, long s) {
383         return super.compareTemplate(DoubleMaxMask.class, op, s);  // specialize
384     }
385 
386     @Override
387     @ForceInline
388     public final DoubleMaxMask compare(Comparison op, Vector<Double> v, VectorMask<Double> m) {
389         return super.compareTemplate(DoubleMaxMask.class, op, v, (DoubleMaxMask) m);
390     }
391 
392 
393     @Override
394     @ForceInline
395     public DoubleMaxVector blend(Vector<Double> v, VectorMask<Double> m) {
396         return (DoubleMaxVector)
397             super.blendTemplate(DoubleMaxMask.class,
398                                 (DoubleMaxVector) v,
399                                 (DoubleMaxMask) m);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public DoubleMaxVector slice(int origin, Vector<Double> v) {
405         return (DoubleMaxVector) super.sliceTemplate(origin, v);  // specialize
406     }
407 
408     @Override
409     @ForceInline
410     public DoubleMaxVector slice(int origin) {
411         return (DoubleMaxVector) super.sliceTemplate(origin);  // specialize
412     }
413 
414     @Override
415     @ForceInline
416     public DoubleMaxVector unslice(int origin, Vector<Double> w, int part) {
417         return (DoubleMaxVector) super.unsliceTemplate(origin, w, part);  // specialize
418     }
419 
420     @Override
421     @ForceInline
422     public DoubleMaxVector unslice(int origin, Vector<Double> w, int part, VectorMask<Double> m) {
423         return (DoubleMaxVector)
424             super.unsliceTemplate(DoubleMaxMask.class,
425                                   origin, w, part,
426                                   (DoubleMaxMask) m);  // specialize
427     }
428 
429     @Override
430     @ForceInline
431     public DoubleMaxVector unslice(int origin) {
432         return (DoubleMaxVector) super.unsliceTemplate(origin);  // specialize
433     }
434 
435     @Override
436     @ForceInline
437     public DoubleMaxVector rearrange(VectorShuffle<Double> s) {
438         return (DoubleMaxVector)
439             super.rearrangeTemplate(DoubleMaxShuffle.class,
440                                     (DoubleMaxShuffle) s);  // specialize
441     }
442 
443     @Override
444     @ForceInline
445     public DoubleMaxVector rearrange(VectorShuffle<Double> shuffle,
446                                   VectorMask<Double> m) {
447         return (DoubleMaxVector)
448             super.rearrangeTemplate(DoubleMaxShuffle.class,
449                                     DoubleMaxMask.class,
450                                     (DoubleMaxShuffle) shuffle,
451                                     (DoubleMaxMask) m);  // specialize
452     }
453 
454     @Override
455     @ForceInline
456     public DoubleMaxVector rearrange(VectorShuffle<Double> s,
457                                   Vector<Double> v) {
458         return (DoubleMaxVector)
459             super.rearrangeTemplate(DoubleMaxShuffle.class,
460                                     (DoubleMaxShuffle) s,
461                                     (DoubleMaxVector) v);  // specialize
462     }
463 
464     @Override
465     @ForceInline
466     public DoubleMaxVector compress(VectorMask<Double> m) {
467         return (DoubleMaxVector)
468             super.compressTemplate(DoubleMaxMask.class,
469                                    (DoubleMaxMask) m);  // specialize
470     }
471 
472     @Override
473     @ForceInline
474     public DoubleMaxVector expand(VectorMask<Double> m) {
475         return (DoubleMaxVector)
476             super.expandTemplate(DoubleMaxMask.class,
477                                    (DoubleMaxMask) m);  // specialize
478     }
479 
480     @Override
481     @ForceInline
482     public DoubleMaxVector selectFrom(Vector<Double> v) {
483         return (DoubleMaxVector)
484             super.selectFromTemplate((DoubleMaxVector) v);  // specialize
485     }
486 
487     @Override
488     @ForceInline
489     public DoubleMaxVector selectFrom(Vector<Double> v,
490                                    VectorMask<Double> m) {
491         return (DoubleMaxVector)
492             super.selectFromTemplate((DoubleMaxVector) v,
493                                      (DoubleMaxMask) m);  // specialize
494     }
495 
496 
497     @ForceInline
498     @Override
499     public double lane(int i) {
500         if (i < 0 || i >= VLENGTH) {
501             throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
502         }
503         long bits = laneHelper(i);
504         return Double.longBitsToDouble(bits);
505     }
506 
507     public long laneHelper(int i) {
508         return (long) VectorSupport.extract(
509                      VCLASS, ETYPE, VLENGTH,
510                      this, i,
511                      (vec, ix) -> {
512                      double[] vecarr = vec.vec();
513                      return (long)Double.doubleToLongBits(vecarr[ix]);
514                      });
515     }
516 
517     @ForceInline
518     @Override
519     public DoubleMaxVector withLane(int i, double e) {
520         if (i < 0 || i >= VLENGTH) {
521             throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
522         }
523         return withLaneHelper(i, e);
524     }
525 
526     public DoubleMaxVector withLaneHelper(int i, double e) {
527         return VectorSupport.insert(
528                                 VCLASS, ETYPE, VLENGTH,
529                                 this, i, (long)Double.doubleToLongBits(e),
530                                 (v, ix, bits) -> {
531                                     double[] res = v.vec().clone();
532                                     res[ix] = Double.longBitsToDouble((long)bits);
533                                     return v.vectorFactory(res);
534                                 });
535     }
536 
537     // Mask
538 
539     static final class DoubleMaxMask extends AbstractMask<Double> {
540         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
541         static final Class<Double> ETYPE = double.class; // used by the JVM
542 
543         DoubleMaxMask(boolean[] bits) {
544             this(bits, 0);
545         }
546 
547         DoubleMaxMask(boolean[] bits, int offset) {
548             super(prepare(bits, offset));
549         }
550 
551         DoubleMaxMask(boolean val) {
552             super(prepare(val));
553         }
554 
555         private static boolean[] prepare(boolean[] bits, int offset) {
556             boolean[] newBits = new boolean[VSPECIES.laneCount()];
557             for (int i = 0; i < newBits.length; i++) {
558                 newBits[i] = bits[offset + i];
559             }
560             return newBits;
561         }
562 
563         private static boolean[] prepare(boolean val) {
564             boolean[] bits = new boolean[VSPECIES.laneCount()];
565             Arrays.fill(bits, val);
566             return bits;
567         }
568 
569         @ForceInline
570         final @Override
571         public DoubleSpecies vspecies() {
572             // ISSUE:  This should probably be a @Stable
573             // field inside AbstractMask, rather than
574             // a megamorphic method.
575             return VSPECIES;
576         }
577 
578         @ForceInline
579         boolean[] getBits() {
580             return (boolean[])getPayload();
581         }
582 
583         @Override
584         DoubleMaxMask uOp(MUnOp f) {
585             boolean[] res = new boolean[vspecies().laneCount()];
586             boolean[] bits = getBits();
587             for (int i = 0; i < res.length; i++) {
588                 res[i] = f.apply(i, bits[i]);
589             }
590             return new DoubleMaxMask(res);
591         }
592 
593         @Override
594         DoubleMaxMask bOp(VectorMask<Double> m, MBinOp f) {
595             boolean[] res = new boolean[vspecies().laneCount()];
596             boolean[] bits = getBits();
597             boolean[] mbits = ((DoubleMaxMask)m).getBits();
598             for (int i = 0; i < res.length; i++) {
599                 res[i] = f.apply(i, bits[i], mbits[i]);
600             }
601             return new DoubleMaxMask(res);
602         }
603 
604         @ForceInline
605         @Override
606         public final
607         DoubleMaxVector toVector() {
608             return (DoubleMaxVector) super.toVectorTemplate();  // specialize
609         }
610 
611         /**
612          * Helper function for lane-wise mask conversions.
613          * This function kicks in after intrinsic failure.
614          */
615         @ForceInline
616         private final <E>
617         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
618             if (length() != dsp.laneCount())
619                 throw new IllegalArgumentException("VectorMask length and species length differ");
620             boolean[] maskArray = toArray();
621             return  dsp.maskFactory(maskArray).check(dsp);
622         }
623 
624         @Override
625         @ForceInline
626         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
627             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
628             if (length() != species.laneCount())
629                 throw new IllegalArgumentException("VectorMask length and species length differ");
630 
631             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
632                 this.getClass(), ETYPE, VLENGTH,
633                 species.maskType(), species.elementType(), VLENGTH,
634                 this, species,
635                 (m, s) -> s.maskFactory(m.toArray()).check(s));
636         }
637 
638         @Override
639         @ForceInline
640         public DoubleMaxMask eq(VectorMask<Double> mask) {
641             Objects.requireNonNull(mask);
642             DoubleMaxMask m = (DoubleMaxMask)mask;
643             return xor(m.not());
644         }
645 
646         // Unary operations
647 
648         @Override
649         @ForceInline
650         public DoubleMaxMask not() {
651             return xor(maskAll(true));
652         }
653 
654         @Override
655         @ForceInline
656         public DoubleMaxMask compress() {
657             return (DoubleMaxMask)VectorSupport.comExpOp(VectorSupport.VECTOR_OP_MASK_COMPRESS,
658                 DoubleMaxVector.class, DoubleMaxMask.class, ETYPE, VLENGTH, null, this,
659                 (v1, m1) -> VSPECIES.iota().compare(VectorOperators.LT, m1.trueCount()));
660         }
661 
662 
663         // Binary operations
664 
665         @Override
666         @ForceInline
667         public DoubleMaxMask and(VectorMask<Double> mask) {
668             Objects.requireNonNull(mask);
669             DoubleMaxMask m = (DoubleMaxMask)mask;
670             return VectorSupport.binaryOp(VECTOR_OP_AND, DoubleMaxMask.class, null, long.class, VLENGTH,
671                                           this, m, null,
672                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
673         }
674 
675         @Override
676         @ForceInline
677         public DoubleMaxMask or(VectorMask<Double> mask) {
678             Objects.requireNonNull(mask);
679             DoubleMaxMask m = (DoubleMaxMask)mask;
680             return VectorSupport.binaryOp(VECTOR_OP_OR, DoubleMaxMask.class, null, long.class, VLENGTH,
681                                           this, m, null,
682                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
683         }
684 
685         @ForceInline
686         /* package-private */
687         DoubleMaxMask xor(VectorMask<Double> mask) {
688             Objects.requireNonNull(mask);
689             DoubleMaxMask m = (DoubleMaxMask)mask;
690             return VectorSupport.binaryOp(VECTOR_OP_XOR, DoubleMaxMask.class, null, long.class, VLENGTH,
691                                           this, m, null,
692                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
693         }
694 
695         // Mask Query operations
696 
697         @Override
698         @ForceInline
699         public int trueCount() {
700             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, DoubleMaxMask.class, long.class, VLENGTH, this,
701                                                       (m) -> trueCountHelper(m.getBits()));
702         }
703 
704         @Override
705         @ForceInline
706         public int firstTrue() {
707             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, DoubleMaxMask.class, long.class, VLENGTH, this,
708                                                       (m) -> firstTrueHelper(m.getBits()));
709         }
710 
711         @Override
712         @ForceInline
713         public int lastTrue() {
714             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, DoubleMaxMask.class, long.class, VLENGTH, this,
715                                                       (m) -> lastTrueHelper(m.getBits()));
716         }
717 
718         @Override
719         @ForceInline
720         public long toLong() {
721             if (length() > Long.SIZE) {
722                 throw new UnsupportedOperationException("too many lanes for one long");
723             }
724             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, DoubleMaxMask.class, long.class, VLENGTH, this,
725                                                       (m) -> toLongHelper(m.getBits()));
726         }
727 
728         // Reductions
729 
730         @Override
731         @ForceInline
732         public boolean anyTrue() {
733             return VectorSupport.test(BT_ne, DoubleMaxMask.class, long.class, VLENGTH,
734                                          this, vspecies().maskAll(true),
735                                          (m, __) -> anyTrueHelper(((DoubleMaxMask)m).getBits()));
736         }
737 
738         @Override
739         @ForceInline
740         public boolean allTrue() {
741             return VectorSupport.test(BT_overflow, DoubleMaxMask.class, long.class, VLENGTH,
742                                          this, vspecies().maskAll(true),
743                                          (m, __) -> allTrueHelper(((DoubleMaxMask)m).getBits()));
744         }
745 
746         @ForceInline
747         /*package-private*/
748         static DoubleMaxMask maskAll(boolean bit) {
749             return VectorSupport.fromBitsCoerced(DoubleMaxMask.class, long.class, VLENGTH,
750                                                  (bit ? -1 : 0), MODE_BROADCAST, null,
751                                                  (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
752         }
753         private static final DoubleMaxMask  TRUE_MASK = new DoubleMaxMask(true);
754         private static final DoubleMaxMask FALSE_MASK = new DoubleMaxMask(false);
755 
756     }
757 
758     // Shuffle
759 
760     static final class DoubleMaxShuffle extends AbstractShuffle<Double> {
761         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
762         static final Class<Double> ETYPE = double.class; // used by the JVM
763 
764         DoubleMaxShuffle(byte[] reorder) {
765             super(VLENGTH, reorder);
766         }
767 
768         public DoubleMaxShuffle(int[] reorder) {
769             super(VLENGTH, reorder);
770         }
771 
772         public DoubleMaxShuffle(int[] reorder, int i) {
773             super(VLENGTH, reorder, i);
774         }
775 
776         public DoubleMaxShuffle(IntUnaryOperator fn) {
777             super(VLENGTH, fn);
778         }
779 
780         @Override
781         public DoubleSpecies vspecies() {
782             return VSPECIES;
783         }
784 
785         static {
786             // There must be enough bits in the shuffle lanes to encode
787             // VLENGTH valid indexes and VLENGTH exceptional ones.
788             assert(VLENGTH < Byte.MAX_VALUE);
789             assert(Byte.MIN_VALUE <= -VLENGTH);
790         }
791         static final DoubleMaxShuffle IOTA = new DoubleMaxShuffle(IDENTITY);
792 
793         @Override
794         @ForceInline
795         public DoubleMaxVector toVector() {
796             return VectorSupport.shuffleToVector(VCLASS, ETYPE, DoubleMaxShuffle.class, this, VLENGTH,
797                                                     (s) -> ((DoubleMaxVector)(((AbstractShuffle<Double>)(s)).toVectorTemplate())));
798         }
799 
800         @Override
801         @ForceInline
802         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
803             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
804             if (length() != species.laneCount())
805                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
806             int[] shuffleArray = toArray();
807             return s.shuffleFromArray(shuffleArray, 0).check(s);
808         }
809 
810         @ForceInline
811         @Override
812         public DoubleMaxShuffle rearrange(VectorShuffle<Double> shuffle) {
813             DoubleMaxShuffle s = (DoubleMaxShuffle) shuffle;
814             byte[] reorder1 = reorder();
815             byte[] reorder2 = s.reorder();
816             byte[] r = new byte[reorder1.length];
817             for (int i = 0; i < reorder1.length; i++) {
818                 int ssi = reorder2[i];
819                 r[i] = reorder1[ssi];  // throws on exceptional index
820             }
821             return new DoubleMaxShuffle(r);
822         }
823     }
824 
825     // ================================================
826 
827     // Specialized low-level memory operations.
828 
829     @ForceInline
830     @Override
831     final
832     DoubleVector fromArray0(double[] a, int offset) {
833         return super.fromArray0Template(a, offset);  // specialize
834     }
835 
836     @ForceInline
837     @Override
838     final
839     DoubleVector fromArray0(double[] a, int offset, VectorMask<Double> m) {
840         return super.fromArray0Template(DoubleMaxMask.class, a, offset, (DoubleMaxMask) m);  // specialize
841     }
842 
843     @ForceInline
844     @Override
845     final
846     DoubleVector fromArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
847         return super.fromArray0Template(DoubleMaxMask.class, a, offset, indexMap, mapOffset, (DoubleMaxMask) m);
848     }
849 
850 
851 
852     @ForceInline
853     @Override
854     final
855     DoubleVector fromMemorySegment0(MemorySegment ms, long offset) {
856         return super.fromMemorySegment0Template(ms, offset);  // specialize
857     }
858 
859     @ForceInline
860     @Override
861     final
862     DoubleVector fromMemorySegment0(MemorySegment ms, long offset, VectorMask<Double> m) {
863         return super.fromMemorySegment0Template(DoubleMaxMask.class, ms, offset, (DoubleMaxMask) m);  // specialize
864     }
865 
866     @ForceInline
867     @Override
868     final
869     void intoArray0(double[] a, int offset) {
870         super.intoArray0Template(a, offset);  // specialize
871     }
872 
873     @ForceInline
874     @Override
875     final
876     void intoArray0(double[] a, int offset, VectorMask<Double> m) {
877         super.intoArray0Template(DoubleMaxMask.class, a, offset, (DoubleMaxMask) m);
878     }
879 
880     @ForceInline
881     @Override
882     final
883     void intoArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
884         super.intoArray0Template(DoubleMaxMask.class, a, offset, indexMap, mapOffset, (DoubleMaxMask) m);
885     }
886 
887 
888     @ForceInline
889     @Override
890     final
891     void intoMemorySegment0(MemorySegment ms, long offset, VectorMask<Double> m) {
892         super.intoMemorySegment0Template(DoubleMaxMask.class, ms, offset, (DoubleMaxMask) m);
893     }
894 
895 
896     // End of specialized low-level memory operations.
897 
898     // ================================================
899 
900 }