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src/jdk.incubator.vector/share/classes/jdk/incubator/vector/FloatVector.java
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*** 459,692 ****
public static FloatVector random(Species<Float> s) {
ThreadLocalRandom r = ThreadLocalRandom.current();
return ((FloatSpecies)s).op(i -> r.nextFloat());
}
- /**
- * Returns a mask where each lane is set or unset according to given
- * {@code boolean} values
- * <p>
- * For each mask lane, where {@code N} is the mask lane index,
- * if the given {@code boolean} value at index {@code N} is {@code true}
- * then the mask lane at index {@code N} is set, otherwise it is unset.
- *
- * @param species mask species
- * @param bits the given {@code boolean} values
- * @return a mask where each lane is set or unset according to the given {@code boolean} value
- * @throws IndexOutOfBoundsException if {@code bits.length < species.length()}
- */
- @ForceInline
- public static Mask<Float> maskFromValues(Species<Float> species, boolean... bits) {
- if (species.boxType() == FloatMaxVector.class)
- return new FloatMaxVector.FloatMaxMask(bits);
- switch (species.bitSize()) {
- case 64: return new Float64Vector.Float64Mask(bits);
- case 128: return new Float128Vector.Float128Mask(bits);
- case 256: return new Float256Vector.Float256Mask(bits);
- case 512: return new Float512Vector.Float512Mask(bits);
- default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
- }
- }
-
- // @@@ This is a bad implementation -- makes lambdas capturing -- fix this
- static Mask<Float> trueMask(Species<Float> species) {
- if (species.boxType() == FloatMaxVector.class)
- return FloatMaxVector.FloatMaxMask.TRUE_MASK;
- switch (species.bitSize()) {
- case 64: return Float64Vector.Float64Mask.TRUE_MASK;
- case 128: return Float128Vector.Float128Mask.TRUE_MASK;
- case 256: return Float256Vector.Float256Mask.TRUE_MASK;
- case 512: return Float512Vector.Float512Mask.TRUE_MASK;
- default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
- }
- }
-
- static Mask<Float> falseMask(Species<Float> species) {
- if (species.boxType() == FloatMaxVector.class)
- return FloatMaxVector.FloatMaxMask.FALSE_MASK;
- switch (species.bitSize()) {
- case 64: return Float64Vector.Float64Mask.FALSE_MASK;
- case 128: return Float128Vector.Float128Mask.FALSE_MASK;
- case 256: return Float256Vector.Float256Mask.FALSE_MASK;
- case 512: return Float512Vector.Float512Mask.FALSE_MASK;
- default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
- }
- }
-
- /**
- * Loads a mask from a {@code boolean} array starting at an offset.
- * <p>
- * For each mask lane, where {@code N} is the mask lane index,
- * if the array element at index {@code ix + N} is {@code true} then the
- * mask lane at index {@code N} is set, otherwise it is unset.
- *
- * @param species mask species
- * @param bits the {@code boolean} array
- * @param ix the offset into the array
- * @return the mask loaded from a {@code boolean} array
- * @throws IndexOutOfBoundsException if {@code ix < 0}, or
- * {@code ix > bits.length - species.length()}
- */
- @ForceInline
- @SuppressWarnings("unchecked")
- public static Mask<Float> maskFromArray(Species<Float> species, boolean[] bits, int ix) {
- Objects.requireNonNull(bits);
- ix = VectorIntrinsics.checkIndex(ix, bits.length, species.length());
- return VectorIntrinsics.load((Class<Mask<Float>>) species.maskType(), int.class, species.length(),
- bits, (((long) ix) << ARRAY_SHIFT) + Unsafe.ARRAY_BOOLEAN_BASE_OFFSET,
- bits, ix, species,
- (c, idx, s) -> (Mask<Float>) ((FloatSpecies)s).opm(n -> c[idx + n]));
- }
-
- /**
- * Returns a mask where all lanes are set.
- *
- * @param species mask species
- * @return a mask where all lanes are set
- */
- @ForceInline
- @SuppressWarnings("unchecked")
- public static Mask<Float> maskAllTrue(Species<Float> species) {
- return VectorIntrinsics.broadcastCoerced((Class<Mask<Float>>) species.maskType(), int.class, species.length(),
- (int)-1, species,
- ((z, s) -> trueMask(s)));
- }
-
- /**
- * Returns a mask where all lanes are unset.
- *
- * @param species mask species
- * @return a mask where all lanes are unset
- */
- @ForceInline
- @SuppressWarnings("unchecked")
- public static Mask<Float> maskAllFalse(Species<Float> species) {
- return VectorIntrinsics.broadcastCoerced((Class<Mask<Float>>) species.maskType(), int.class, species.length(),
- 0, species,
- ((z, s) -> falseMask(s)));
- }
-
- /**
- * Returns a shuffle of mapped indexes where each lane element is
- * the result of applying a mapping function to the corresponding lane
- * index.
- * <p>
- * Care should be taken to ensure Shuffle values produced from this
- * method are consumed as constants to ensure optimal generation of
- * code. For example, values held in static final fields or values
- * held in loop constant local variables.
- * <p>
- * This method behaves as if a shuffle is created from an array of
- * mapped indexes as follows:
- * <pre>{@code
- * int[] a = new int[species.length()];
- * for (int i = 0; i < a.length; i++) {
- * a[i] = f.applyAsInt(i);
- * }
- * return this.shuffleFromValues(a);
- * }</pre>
- *
- * @param species shuffle species
- * @param f the lane index mapping function
- * @return a shuffle of mapped indexes
- */
- @ForceInline
- public static Shuffle<Float> shuffle(Species<Float> species, IntUnaryOperator f) {
- if (species.boxType() == FloatMaxVector.class)
- return new FloatMaxVector.FloatMaxShuffle(f);
- switch (species.bitSize()) {
- case 64: return new Float64Vector.Float64Shuffle(f);
- case 128: return new Float128Vector.Float128Shuffle(f);
- case 256: return new Float256Vector.Float256Shuffle(f);
- case 512: return new Float512Vector.Float512Shuffle(f);
- default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
- }
- }
-
- /**
- * Returns a shuffle where each lane element is the value of its
- * corresponding lane index.
- * <p>
- * This method behaves as if a shuffle is created from an identity
- * index mapping function as follows:
- * <pre>{@code
- * return this.shuffle(i -> i);
- * }</pre>
- *
- * @param species shuffle species
- * @return a shuffle of lane indexes
- */
- @ForceInline
- public static Shuffle<Float> shuffleIota(Species<Float> species) {
- if (species.boxType() == FloatMaxVector.class)
- return new FloatMaxVector.FloatMaxShuffle(AbstractShuffle.IDENTITY);
- switch (species.bitSize()) {
- case 64: return new Float64Vector.Float64Shuffle(AbstractShuffle.IDENTITY);
- case 128: return new Float128Vector.Float128Shuffle(AbstractShuffle.IDENTITY);
- case 256: return new Float256Vector.Float256Shuffle(AbstractShuffle.IDENTITY);
- case 512: return new Float512Vector.Float512Shuffle(AbstractShuffle.IDENTITY);
- default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
- }
- }
-
- /**
- * Returns a shuffle where each lane element is set to a given
- * {@code int} value logically AND'ed by the species length minus one.
- * <p>
- * For each shuffle lane, where {@code N} is the shuffle lane index, the
- * the {@code int} value at index {@code N} logically AND'ed by
- * {@code species.length() - 1} is placed into the resulting shuffle at
- * lane index {@code N}.
- *
- * @param species shuffle species
- * @param ixs the given {@code int} values
- * @return a shuffle where each lane element is set to a given
- * {@code int} value
- * @throws IndexOutOfBoundsException if the number of int values is
- * {@code < species.length()}
- */
- @ForceInline
- public static Shuffle<Float> shuffleFromValues(Species<Float> species, int... ixs) {
- if (species.boxType() == FloatMaxVector.class)
- return new FloatMaxVector.FloatMaxShuffle(ixs);
- switch (species.bitSize()) {
- case 64: return new Float64Vector.Float64Shuffle(ixs);
- case 128: return new Float128Vector.Float128Shuffle(ixs);
- case 256: return new Float256Vector.Float256Shuffle(ixs);
- case 512: return new Float512Vector.Float512Shuffle(ixs);
- default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
- }
- }
-
- /**
- * Loads a shuffle from an {@code int} array starting at an offset.
- * <p>
- * For each shuffle lane, where {@code N} is the shuffle lane index, the
- * array element at index {@code i + N} logically AND'ed by
- * {@code species.length() - 1} is placed into the resulting shuffle at lane
- * index {@code N}.
- *
- * @param species shuffle species
- * @param ixs the {@code int} array
- * @param i the offset into the array
- * @return a shuffle loaded from the {@code int} array
- * @throws IndexOutOfBoundsException if {@code i < 0}, or
- * {@code i > a.length - species.length()}
- */
- @ForceInline
- public static Shuffle<Float> shuffleFromArray(Species<Float> species, int[] ixs, int i) {
- if (species.boxType() == FloatMaxVector.class)
- return new FloatMaxVector.FloatMaxShuffle(ixs, i);
- switch (species.bitSize()) {
- case 64: return new Float64Vector.Float64Shuffle(ixs, i);
- case 128: return new Float128Vector.Float128Shuffle(ixs, i);
- case 256: return new Float256Vector.Float256Shuffle(ixs, i);
- case 512: return new Float512Vector.Float512Shuffle(ixs, i);
- default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
- }
- }
-
// Ops
@Override
public abstract FloatVector add(Vector<Float> v);
--- 459,468 ----
*** 2097,2120 ****
@Override
public abstract Species<Float> species();
/**
! * Class representing {@link FloatVector}'s of the same {@link Vector.Shape Shape}.
*/
! static final class FloatSpecies extends Vector.AbstractSpecies<Float> {
final Function<float[], FloatVector> vectorFactory;
- final Function<boolean[], Vector.Mask<Float>> maskFactory;
! private FloatSpecies(Vector.Shape shape,
Class<?> boxType,
Class<?> maskType,
Function<float[], FloatVector> vectorFactory,
! Function<boolean[], Vector.Mask<Float>> maskFactory) {
! super(shape, float.class, Float.SIZE, boxType, maskType);
this.vectorFactory = vectorFactory;
- this.maskFactory = maskFactory;
}
interface FOp {
float apply(int i);
}
--- 1873,1897 ----
@Override
public abstract Species<Float> species();
/**
! * Class representing {@link FloatVector}'s of the same {@link Shape Shape}.
*/
! static final class FloatSpecies extends AbstractSpecies<Float> {
final Function<float[], FloatVector> vectorFactory;
! private FloatSpecies(Shape shape,
Class<?> boxType,
Class<?> maskType,
Function<float[], FloatVector> vectorFactory,
! Function<boolean[], Mask<Float>> maskFactory,
! Function<IntUnaryOperator, Shuffle<Float>> shuffleFromArrayFactory,
! fShuffleFromArray<Float> shuffleFromOpFactory) {
! super(shape, float.class, Float.SIZE, boxType, maskType, maskFactory,
! shuffleFromArrayFactory, shuffleFromOpFactory);
this.vectorFactory = vectorFactory;
}
interface FOp {
float apply(int i);
}
*** 2129,2156 ****
res[i] = f.apply(i);
}
return vectorFactory.apply(res);
}
! FloatVector op(Vector.Mask<Float> o, FOp f) {
float[] res = new float[length()];
boolean[] mbits = ((AbstractMask<Float>)o).getBits();
for (int i = 0; i < length(); i++) {
if (mbits[i]) {
res[i] = f.apply(i);
}
}
return vectorFactory.apply(res);
}
-
- Vector.Mask<Float> opm(IntVector.IntSpecies.FOpm f) {
- boolean[] res = new boolean[length()];
- for (int i = 0; i < length(); i++) {
- res[i] = (boolean)f.apply(i);
- }
- return maskFactory.apply(res);
- }
}
/**
* Finds the preferred species for an element type of {@code float}.
* <p>
--- 1906,1925 ----
res[i] = f.apply(i);
}
return vectorFactory.apply(res);
}
! FloatVector op(Mask<Float> o, FOp f) {
float[] res = new float[length()];
boolean[] mbits = ((AbstractMask<Float>)o).getBits();
for (int i = 0; i < length(); i++) {
if (mbits[i]) {
res[i] = f.apply(i);
}
}
return vectorFactory.apply(res);
}
}
/**
* Finds the preferred species for an element type of {@code float}.
* <p>
*** 2170,2180 ****
*
* @param s the shape
* @return a species for an element type of {@code float} and shape
* @throws IllegalArgumentException if no such species exists for the shape
*/
! static FloatSpecies species(Vector.Shape s) {
Objects.requireNonNull(s);
switch (s) {
case S_64_BIT: return (FloatSpecies) SPECIES_64;
case S_128_BIT: return (FloatSpecies) SPECIES_128;
case S_256_BIT: return (FloatSpecies) SPECIES_256;
--- 1939,1949 ----
*
* @param s the shape
* @return a species for an element type of {@code float} and shape
* @throws IllegalArgumentException if no such species exists for the shape
*/
! static FloatSpecies species(Shape s) {
Objects.requireNonNull(s);
switch (s) {
case S_64_BIT: return (FloatSpecies) SPECIES_64;
case S_128_BIT: return (FloatSpecies) SPECIES_128;
case S_256_BIT: return (FloatSpecies) SPECIES_256;
*** 2182,2210 ****
case S_Max_BIT: return (FloatSpecies) SPECIES_MAX;
default: throw new IllegalArgumentException("Bad shape: " + s);
}
}
! /** Species representing {@link FloatVector}s of {@link Vector.Shape#S_64_BIT Shape.S_64_BIT}. */
public static final Species<Float> SPECIES_64 = new FloatSpecies(Shape.S_64_BIT, Float64Vector.class, Float64Vector.Float64Mask.class,
! Float64Vector::new, Float64Vector.Float64Mask::new);
! /** Species representing {@link FloatVector}s of {@link Vector.Shape#S_128_BIT Shape.S_128_BIT}. */
public static final Species<Float> SPECIES_128 = new FloatSpecies(Shape.S_128_BIT, Float128Vector.class, Float128Vector.Float128Mask.class,
! Float128Vector::new, Float128Vector.Float128Mask::new);
! /** Species representing {@link FloatVector}s of {@link Vector.Shape#S_256_BIT Shape.S_256_BIT}. */
public static final Species<Float> SPECIES_256 = new FloatSpecies(Shape.S_256_BIT, Float256Vector.class, Float256Vector.Float256Mask.class,
! Float256Vector::new, Float256Vector.Float256Mask::new);
! /** Species representing {@link FloatVector}s of {@link Vector.Shape#S_512_BIT Shape.S_512_BIT}. */
public static final Species<Float> SPECIES_512 = new FloatSpecies(Shape.S_512_BIT, Float512Vector.class, Float512Vector.Float512Mask.class,
! Float512Vector::new, Float512Vector.Float512Mask::new);
! /** Species representing {@link FloatVector}s of {@link Vector.Shape#S_Max_BIT Shape.S_Max_BIT}. */
public static final Species<Float> SPECIES_MAX = new FloatSpecies(Shape.S_Max_BIT, FloatMaxVector.class, FloatMaxVector.FloatMaxMask.class,
! FloatMaxVector::new, FloatMaxVector.FloatMaxMask::new);
/**
* Preferred species for {@link FloatVector}s.
* A preferred species is a species of maximal bit size for the platform.
*/
--- 1951,1984 ----
case S_Max_BIT: return (FloatSpecies) SPECIES_MAX;
default: throw new IllegalArgumentException("Bad shape: " + s);
}
}
! /** Species representing {@link FloatVector}s of {@link Shape#S_64_BIT Shape.S_64_BIT}. */
public static final Species<Float> SPECIES_64 = new FloatSpecies(Shape.S_64_BIT, Float64Vector.class, Float64Vector.Float64Mask.class,
! Float64Vector::new, Float64Vector.Float64Mask::new,
! Float64Vector.Float64Shuffle::new, Float64Vector.Float64Shuffle::new);
! /** Species representing {@link FloatVector}s of {@link Shape#S_128_BIT Shape.S_128_BIT}. */
public static final Species<Float> SPECIES_128 = new FloatSpecies(Shape.S_128_BIT, Float128Vector.class, Float128Vector.Float128Mask.class,
! Float128Vector::new, Float128Vector.Float128Mask::new,
! Float128Vector.Float128Shuffle::new, Float128Vector.Float128Shuffle::new);
! /** Species representing {@link FloatVector}s of {@link Shape#S_256_BIT Shape.S_256_BIT}. */
public static final Species<Float> SPECIES_256 = new FloatSpecies(Shape.S_256_BIT, Float256Vector.class, Float256Vector.Float256Mask.class,
! Float256Vector::new, Float256Vector.Float256Mask::new,
! Float256Vector.Float256Shuffle::new, Float256Vector.Float256Shuffle::new);
! /** Species representing {@link FloatVector}s of {@link Shape#S_512_BIT Shape.S_512_BIT}. */
public static final Species<Float> SPECIES_512 = new FloatSpecies(Shape.S_512_BIT, Float512Vector.class, Float512Vector.Float512Mask.class,
! Float512Vector::new, Float512Vector.Float512Mask::new,
! Float512Vector.Float512Shuffle::new, Float512Vector.Float512Shuffle::new);
! /** Species representing {@link FloatVector}s of {@link Shape#S_Max_BIT Shape.S_Max_BIT}. */
public static final Species<Float> SPECIES_MAX = new FloatSpecies(Shape.S_Max_BIT, FloatMaxVector.class, FloatMaxVector.FloatMaxMask.class,
! FloatMaxVector::new, FloatMaxVector.FloatMaxMask::new,
! FloatMaxVector.FloatMaxShuffle::new, FloatMaxVector.FloatMaxShuffle::new);
/**
* Preferred species for {@link FloatVector}s.
* A preferred species is a species of maximal bit size for the platform.
*/
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