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src/jdk.incubator.vector/share/classes/jdk/incubator/vector/ByteVector.java
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rev 55589 : Species-phase2
rev 55590 : added missing javadocs, changed jtreg test
rev 55591 : XxxSpecies made package private
rev 55592 : Capitalized Species names
*** 26,35 ****
--- 26,36 ----
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.Objects;
import java.util.function.IntUnaryOperator;
+ import java.util.function.Function;
import java.util.concurrent.ThreadLocalRandom;
import jdk.internal.misc.Unsafe;
import jdk.internal.vm.annotation.ForceInline;
import static jdk.incubator.vector.VectorIntrinsics.*;
*** 107,129 ****
* @param species species of desired vector
* @return a zero vector of given species
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector zero(ByteSpecies species) {
! return species.zero();
}
/**
* Loads a vector from a byte array starting at an offset.
* <p>
* Bytes are composed into primitive lane elements according to the
* native byte order of the underlying platform
* <p>
* This method behaves as if it returns the result of calling the
* byte buffer, offset, and mask accepting
! * {@link #fromByteBuffer(ByteSpecies, ByteBuffer, int, Mask) method} as follows:
* <pre>{@code
* return this.fromByteBuffer(ByteBuffer.wrap(a), i, this.maskAllTrue());
* }</pre>
*
* @param species species of desired vector
--- 108,132 ----
* @param species species of desired vector
* @return a zero vector of given species
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector zero(Species<Byte> species) {
! return VectorIntrinsics.broadcastCoerced((Class<ByteVector>) species.boxType(), byte.class, species.length(),
! 0, species,
! ((bits, s) -> ((ByteSpecies)s).op(i -> (byte)bits)));
}
/**
* Loads a vector from a byte array starting at an offset.
* <p>
* Bytes are composed into primitive lane elements according to the
* native byte order of the underlying platform
* <p>
* This method behaves as if it returns the result of calling the
* byte buffer, offset, and mask accepting
! * {@link #fromByteBuffer(Species<Byte>, ByteBuffer, int, Mask) method} as follows:
* <pre>{@code
* return this.fromByteBuffer(ByteBuffer.wrap(a), i, this.maskAllTrue());
* }</pre>
*
* @param species species of desired vector
*** 133,143 ****
* @throws IndexOutOfBoundsException if {@code i < 0} or
* {@code i > a.length - (this.length() * this.elementSize() / Byte.SIZE)}
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector fromByteArray(ByteSpecies species, byte[] a, int ix) {
Objects.requireNonNull(a);
ix = VectorIntrinsics.checkIndex(ix, a.length, species.bitSize() / Byte.SIZE);
return VectorIntrinsics.load((Class<ByteVector>) species.boxType(), byte.class, species.length(),
a, ((long) ix) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
a, ix, species,
--- 136,146 ----
* @throws IndexOutOfBoundsException if {@code i < 0} or
* {@code i > a.length - (this.length() * this.elementSize() / Byte.SIZE)}
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector fromByteArray(Species<Byte> species, byte[] a, int ix) {
Objects.requireNonNull(a);
ix = VectorIntrinsics.checkIndex(ix, a.length, species.bitSize() / Byte.SIZE);
return VectorIntrinsics.load((Class<ByteVector>) species.boxType(), byte.class, species.length(),
a, ((long) ix) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
a, ix, species,
*** 155,165 ****
* Bytes are composed into primitive lane elements according to the
* native byte order of the underlying platform.
* <p>
* This method behaves as if it returns the result of calling the
* byte buffer, offset, and mask accepting
! * {@link #fromByteBuffer(ByteSpecies, ByteBuffer, int, Mask) method} as follows:
* <pre>{@code
* return this.fromByteBuffer(ByteBuffer.wrap(a), i, m);
* }</pre>
*
* @param species species of desired vector
--- 158,168 ----
* Bytes are composed into primitive lane elements according to the
* native byte order of the underlying platform.
* <p>
* This method behaves as if it returns the result of calling the
* byte buffer, offset, and mask accepting
! * {@link #fromByteBuffer(Species<Byte>, ByteBuffer, int, Mask) method} as follows:
* <pre>{@code
* return this.fromByteBuffer(ByteBuffer.wrap(a), i, m);
* }</pre>
*
* @param species species of desired vector
*** 174,184 ****
* for any vector lane index {@code N} where the mask at lane {@code N}
* is set
* {@code i >= a.length - (N * this.elementSize() / Byte.SIZE)}
*/
@ForceInline
! public static ByteVector fromByteArray(ByteSpecies species, byte[] a, int ix, Mask<Byte> m) {
return zero(species).blend(fromByteArray(species, a, ix), m);
}
/**
* Loads a vector from an array starting at offset.
--- 177,187 ----
* for any vector lane index {@code N} where the mask at lane {@code N}
* is set
* {@code i >= a.length - (N * this.elementSize() / Byte.SIZE)}
*/
@ForceInline
! public static ByteVector fromByteArray(Species<Byte> species, byte[] a, int ix, Mask<Byte> m) {
return zero(species).blend(fromByteArray(species, a, ix), m);
}
/**
* Loads a vector from an array starting at offset.
*** 194,204 ****
* @throws IndexOutOfBoundsException if {@code i < 0}, or
* {@code i > a.length - this.length()}
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector fromArray(ByteSpecies species, byte[] a, int i){
Objects.requireNonNull(a);
i = VectorIntrinsics.checkIndex(i, a.length, species.length());
return VectorIntrinsics.load((Class<ByteVector>) species.boxType(), byte.class, species.length(),
a, (((long) i) << ARRAY_SHIFT) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
a, i, species,
--- 197,207 ----
* @throws IndexOutOfBoundsException if {@code i < 0}, or
* {@code i > a.length - this.length()}
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector fromArray(Species<Byte> species, byte[] a, int i){
Objects.requireNonNull(a);
i = VectorIntrinsics.checkIndex(i, a.length, species.length());
return VectorIntrinsics.load((Class<ByteVector>) species.boxType(), byte.class, species.length(),
a, (((long) i) << ARRAY_SHIFT) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
a, i, species,
*** 223,233 ****
* @throws IndexOutOfBoundsException if {@code i < 0}, or
* for any vector lane index {@code N} where the mask at lane {@code N}
* is set {@code i > a.length - N}
*/
@ForceInline
! public static ByteVector fromArray(ByteSpecies species, byte[] a, int i, Mask<Byte> m) {
return zero(species).blend(fromArray(species, a, i), m);
}
/**
* Loads a vector from an array using indexes obtained from an index
--- 226,236 ----
* @throws IndexOutOfBoundsException if {@code i < 0}, or
* for any vector lane index {@code N} where the mask at lane {@code N}
* is set {@code i > a.length - N}
*/
@ForceInline
! public static ByteVector fromArray(Species<Byte> species, byte[] a, int i, Mask<Byte> m) {
return zero(species).blend(fromArray(species, a, i), m);
}
/**
* Loads a vector from an array using indexes obtained from an index
*** 248,259 ****
* @throws IndexOutOfBoundsException if {@code j < 0}, or
* {@code j > indexMap.length - this.length()},
* or for any vector lane index {@code N} the result of
* {@code i + indexMap[j + N]} is {@code < 0} or {@code >= a.length}
*/
! public static ByteVector fromArray(ByteSpecies species, byte[] a, int i, int[] indexMap, int j) {
! return species.op(n -> a[i + indexMap[j + n]]);
}
/**
* Loads a vector from an array using indexes obtained from an index
* map and using a mask.
* <p>
--- 251,262 ----
* @throws IndexOutOfBoundsException if {@code j < 0}, or
* {@code j > indexMap.length - this.length()},
* or for any vector lane index {@code N} the result of
* {@code i + indexMap[j + N]} is {@code < 0} or {@code >= a.length}
*/
! public static ByteVector fromArray(Species<Byte> species, byte[] a, int i, int[] indexMap, int j) {
! return ((ByteSpecies)species).op(n -> a[i + indexMap[j + n]]);
}
/**
* Loads a vector from an array using indexes obtained from an index
* map and using a mask.
* <p>
*** 275,286 ****
* {@code j > indexMap.length - this.length()},
* or for any vector lane index {@code N} where the mask at lane
* {@code N} is set the result of {@code i + indexMap[j + N]} is
* {@code < 0} or {@code >= a.length}
*/
! public static ByteVector fromArray(ByteSpecies species, byte[] a, int i, Mask<Byte> m, int[] indexMap, int j) {
! return species.op(m, n -> a[i + indexMap[j + n]]);
}
/**
* Loads a vector from a {@link ByteBuffer byte buffer} starting at an
* offset into the byte buffer.
--- 278,289 ----
* {@code j > indexMap.length - this.length()},
* or for any vector lane index {@code N} where the mask at lane
* {@code N} is set the result of {@code i + indexMap[j + N]} is
* {@code < 0} or {@code >= a.length}
*/
! public static ByteVector fromArray(Species<Byte> species, byte[] a, int i, Mask<Byte> m, int[] indexMap, int j) {
! return ((ByteSpecies)species).op(m, n -> a[i + indexMap[j + n]]);
}
/**
* Loads a vector from a {@link ByteBuffer byte buffer} starting at an
* offset into the byte buffer.
*** 288,298 ****
* Bytes are composed into primitive lane elements according to the
* native byte order of the underlying platform.
* <p>
* This method behaves as if it returns the result of calling the
* byte buffer, offset, and mask accepting
! * {@link #fromByteBuffer(ByteSpecies, ByteBuffer, int, Mask)} method} as follows:
* <pre>{@code
* return this.fromByteBuffer(b, i, this.maskAllTrue())
* }</pre>
*
* @param species species of desired vector
--- 291,301 ----
* Bytes are composed into primitive lane elements according to the
* native byte order of the underlying platform.
* <p>
* This method behaves as if it returns the result of calling the
* byte buffer, offset, and mask accepting
! * {@link #fromByteBuffer(Species<Byte>, ByteBuffer, int, Mask)} method} as follows:
* <pre>{@code
* return this.fromByteBuffer(b, i, this.maskAllTrue())
* }</pre>
*
* @param species species of desired vector
*** 305,315 ****
* {@code this.length() * this.elementSize() / Byte.SIZE} bytes
* remaining in the byte buffer from the given offset
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector fromByteBuffer(ByteSpecies species, ByteBuffer bb, int ix) {
if (bb.order() != ByteOrder.nativeOrder()) {
throw new IllegalArgumentException();
}
ix = VectorIntrinsics.checkIndex(ix, bb.limit(), species.bitSize() / Byte.SIZE);
return VectorIntrinsics.load((Class<ByteVector>) species.boxType(), byte.class, species.length(),
--- 308,318 ----
* {@code this.length() * this.elementSize() / Byte.SIZE} bytes
* remaining in the byte buffer from the given offset
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static ByteVector fromByteBuffer(Species<Byte> species, ByteBuffer bb, int ix) {
if (bb.order() != ByteOrder.nativeOrder()) {
throw new IllegalArgumentException();
}
ix = VectorIntrinsics.checkIndex(ix, bb.limit(), species.bitSize() / Byte.SIZE);
return VectorIntrinsics.load((Class<ByteVector>) species.boxType(), byte.class, species.length(),
*** 357,371 ****
* for any vector lane index {@code N} where the mask at lane {@code N}
* is set
* {@code i >= b.limit() - (N * this.elementSize() / Byte.SIZE)}
*/
@ForceInline
! public static ByteVector fromByteBuffer(ByteSpecies species, ByteBuffer bb, int ix, Mask<Byte> m) {
return zero(species).blend(fromByteBuffer(species, bb, ix), m);
}
/**
* 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}
--- 360,448 ----
* for any vector lane index {@code N} where the mask at lane {@code N}
* is set
* {@code i >= b.limit() - (N * this.elementSize() / Byte.SIZE)}
*/
@ForceInline
! public static ByteVector fromByteBuffer(Species<Byte> species, ByteBuffer bb, int ix, Mask<Byte> m) {
return zero(species).blend(fromByteBuffer(species, bb, ix), m);
}
/**
+ * Returns a vector where all lane elements are set to the primitive
+ * value {@code e}.
+ *
+ * @param s species of the desired vector
+ * @param e the value
+ * @return a vector of vector where all lane elements are set to
+ * the primitive value {@code e}
+ */
+ @ForceInline
+ @SuppressWarnings("unchecked")
+ public static ByteVector broadcast(Species<Byte> s, byte e) {
+ return VectorIntrinsics.broadcastCoerced(
+ (Class<ByteVector>) s.boxType(), byte.class, s.length(),
+ e, s,
+ ((bits, sp) -> ((ByteSpecies)sp).op(i -> (byte)bits)));
+ }
+
+ /**
+ * Returns a vector where each lane element is set to a given
+ * primitive value.
+ * <p>
+ * For each vector lane, where {@code N} is the vector lane index, the
+ * the primitive value at index {@code N} is placed into the resulting
+ * vector at lane index {@code N}.
+ *
+ * @param s species of the desired vector
+ * @param es the given primitive values
+ * @return a vector where each lane element is set to a given primitive
+ * value
+ * @throws IndexOutOfBoundsException if {@code es.length < this.length()}
+ */
+ @ForceInline
+ @SuppressWarnings("unchecked")
+ public static ByteVector scalars(Species<Byte> s, byte... es) {
+ Objects.requireNonNull(es);
+ int ix = VectorIntrinsics.checkIndex(0, es.length, s.length());
+ return VectorIntrinsics.load((Class<ByteVector>) s.boxType(), byte.class, s.length(),
+ es, Unsafe.ARRAY_BYTE_BASE_OFFSET,
+ es, ix, s,
+ (c, idx, sp) -> ((ByteSpecies)sp).op(n -> c[idx + n]));
+ }
+
+ /**
+ * Returns a vector where the first lane element is set to the primtive
+ * value {@code e}, all other lane elements are set to the default
+ * value.
+ *
+ * @param s species of the desired vector
+ * @param e the value
+ * @return a vector where the first lane element is set to the primitive
+ * value {@code e}
+ */
+ @ForceInline
+ public static final ByteVector single(Species<Byte> s, byte e) {
+ return zero(s).with(0, e);
+ }
+
+ /**
+ * Returns a vector where each lane element is set to a randomly
+ * generated primitive value.
+ *
+ * The semantics are equivalent to calling
+ * (byte){@link ThreadLocalRandom#nextInt()}
+ *
+ * @param s species of the desired vector
+ * @return a vector where each lane elements is set to a randomly
+ * generated primitive value
+ */
+ public static ByteVector random(Species<Byte> s) {
+ ThreadLocalRandom r = ThreadLocalRandom.current();
+ return ((ByteSpecies)s).op(i -> (byte) r.nextInt());
+ }
+
+ /**
* 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}
*** 375,385 ****
* @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<Byte> maskFromValues(ByteSpecies species, boolean... bits) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxMask(bits);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Mask(bits);
case 128: return new Byte128Vector.Byte128Mask(bits);
--- 452,462 ----
* @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<Byte> maskFromValues(Species<Byte> species, boolean... bits) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxMask(bits);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Mask(bits);
case 128: return new Byte128Vector.Byte128Mask(bits);
*** 388,398 ****
default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
}
}
// @@@ This is a bad implementation -- makes lambdas capturing -- fix this
! static Mask<Byte> trueMask(ByteSpecies species) {
if (species.boxType() == ByteMaxVector.class)
return ByteMaxVector.ByteMaxMask.TRUE_MASK;
switch (species.bitSize()) {
case 64: return Byte64Vector.Byte64Mask.TRUE_MASK;
case 128: return Byte128Vector.Byte128Mask.TRUE_MASK;
--- 465,475 ----
default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
}
}
// @@@ This is a bad implementation -- makes lambdas capturing -- fix this
! static Mask<Byte> trueMask(Species<Byte> species) {
if (species.boxType() == ByteMaxVector.class)
return ByteMaxVector.ByteMaxMask.TRUE_MASK;
switch (species.bitSize()) {
case 64: return Byte64Vector.Byte64Mask.TRUE_MASK;
case 128: return Byte128Vector.Byte128Mask.TRUE_MASK;
*** 400,410 ****
case 512: return Byte512Vector.Byte512Mask.TRUE_MASK;
default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
}
}
! static Mask<Byte> falseMask(ByteSpecies species) {
if (species.boxType() == ByteMaxVector.class)
return ByteMaxVector.ByteMaxMask.FALSE_MASK;
switch (species.bitSize()) {
case 64: return Byte64Vector.Byte64Mask.FALSE_MASK;
case 128: return Byte128Vector.Byte128Mask.FALSE_MASK;
--- 477,487 ----
case 512: return Byte512Vector.Byte512Mask.TRUE_MASK;
default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
}
}
! static Mask<Byte> falseMask(Species<Byte> species) {
if (species.boxType() == ByteMaxVector.class)
return ByteMaxVector.ByteMaxMask.FALSE_MASK;
switch (species.bitSize()) {
case 64: return Byte64Vector.Byte64Mask.FALSE_MASK;
case 128: return Byte128Vector.Byte128Mask.FALSE_MASK;
*** 428,438 ****
* @throws IndexOutOfBoundsException if {@code ix < 0}, or
* {@code ix > bits.length - species.length()}
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static Mask<Byte> maskFromArray(ByteSpecies species, boolean[] bits, int ix) {
Objects.requireNonNull(bits);
ix = VectorIntrinsics.checkIndex(ix, bits.length, species.length());
return VectorIntrinsics.load((Class<Mask<Byte>>) species.maskType(), byte.class, species.length(),
bits, (((long) ix) << ARRAY_SHIFT) + Unsafe.ARRAY_BOOLEAN_BASE_OFFSET,
bits, ix, species,
--- 505,515 ----
* @throws IndexOutOfBoundsException if {@code ix < 0}, or
* {@code ix > bits.length - species.length()}
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static Mask<Byte> maskFromArray(Species<Byte> species, boolean[] bits, int ix) {
Objects.requireNonNull(bits);
ix = VectorIntrinsics.checkIndex(ix, bits.length, species.length());
return VectorIntrinsics.load((Class<Mask<Byte>>) species.maskType(), byte.class, species.length(),
bits, (((long) ix) << ARRAY_SHIFT) + Unsafe.ARRAY_BOOLEAN_BASE_OFFSET,
bits, ix, species,
*** 445,472 ****
* @param species mask species
* @return a mask where all lanes are set
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static Mask<Byte> maskAllTrue(ByteSpecies species) {
return VectorIntrinsics.broadcastCoerced((Class<Mask<Byte>>) species.maskType(), byte.class, species.length(),
(byte)-1, species,
! ((z, s) -> trueMask((ByteSpecies)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<Byte> maskAllFalse(ByteSpecies species) {
return VectorIntrinsics.broadcastCoerced((Class<Mask<Byte>>) species.maskType(), byte.class, species.length(),
0, species,
! ((z, s) -> falseMask((ByteSpecies)s)));
}
/**
* Returns a shuffle of mapped indexes where each lane element is
* the result of applying a mapping function to the corresponding lane
--- 522,549 ----
* @param species mask species
* @return a mask where all lanes are set
*/
@ForceInline
@SuppressWarnings("unchecked")
! public static Mask<Byte> maskAllTrue(Species<Byte> species) {
return VectorIntrinsics.broadcastCoerced((Class<Mask<Byte>>) species.maskType(), byte.class, species.length(),
(byte)-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<Byte> maskAllFalse(Species<Byte> species) {
return VectorIntrinsics.broadcastCoerced((Class<Mask<Byte>>) species.maskType(), byte.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
*** 490,500 ****
* @param species shuffle species
* @param f the lane index mapping function
* @return a shuffle of mapped indexes
*/
@ForceInline
! public static Shuffle<Byte> shuffle(ByteSpecies species, IntUnaryOperator f) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(f);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(f);
case 128: return new Byte128Vector.Byte128Shuffle(f);
--- 567,577 ----
* @param species shuffle species
* @param f the lane index mapping function
* @return a shuffle of mapped indexes
*/
@ForceInline
! public static Shuffle<Byte> shuffle(Species<Byte> species, IntUnaryOperator f) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(f);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(f);
case 128: return new Byte128Vector.Byte128Shuffle(f);
*** 516,526 ****
*
* @param species shuffle species
* @return a shuffle of lane indexes
*/
@ForceInline
! public static Shuffle<Byte> shuffleIota(ByteSpecies species) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(AbstractShuffle.IDENTITY);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(AbstractShuffle.IDENTITY);
case 128: return new Byte128Vector.Byte128Shuffle(AbstractShuffle.IDENTITY);
--- 593,603 ----
*
* @param species shuffle species
* @return a shuffle of lane indexes
*/
@ForceInline
! public static Shuffle<Byte> shuffleIota(Species<Byte> species) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(AbstractShuffle.IDENTITY);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(AbstractShuffle.IDENTITY);
case 128: return new Byte128Vector.Byte128Shuffle(AbstractShuffle.IDENTITY);
*** 545,555 ****
* {@code int} value
* @throws IndexOutOfBoundsException if the number of int values is
* {@code < species.length()}
*/
@ForceInline
! public static Shuffle<Byte> shuffleFromValues(ByteSpecies species, int... ixs) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(ixs);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(ixs);
case 128: return new Byte128Vector.Byte128Shuffle(ixs);
--- 622,632 ----
* {@code int} value
* @throws IndexOutOfBoundsException if the number of int values is
* {@code < species.length()}
*/
@ForceInline
! public static Shuffle<Byte> shuffleFromValues(Species<Byte> species, int... ixs) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(ixs);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(ixs);
case 128: return new Byte128Vector.Byte128Shuffle(ixs);
*** 573,583 ****
* @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<Byte> shuffleFromArray(ByteSpecies species, int[] ixs, int i) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(ixs, i);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(ixs, i);
case 128: return new Byte128Vector.Byte128Shuffle(ixs, i);
--- 650,660 ----
* @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<Byte> shuffleFromArray(Species<Byte> species, int[] ixs, int i) {
if (species.boxType() == ByteMaxVector.class)
return new ByteMaxVector.ByteMaxShuffle(ixs, i);
switch (species.bitSize()) {
case 64: return new Byte64Vector.Byte64Shuffle(ixs, i);
case 128: return new Byte128Vector.Byte128Shuffle(ixs, i);
*** 585,595 ****
case 512: return new Byte512Vector.Byte512Shuffle(ixs, i);
default: throw new IllegalArgumentException(Integer.toString(species.bitSize()));
}
}
-
// Ops
@Override
public abstract ByteVector add(Vector<Byte> v);
--- 662,671 ----
*** 1466,1555 ****
forEach(m, (n, e) -> a[i + indexMap[j + n]] = e);
}
// Species
@Override
! public abstract ByteSpecies species();
/**
* Class representing {@link ByteVector}'s of the same {@link Vector.Shape Shape}.
*/
! public static abstract class ByteSpecies extends Vector.Species<Byte> {
interface FOp {
byte apply(int i);
}
- abstract ByteVector op(FOp f);
-
- abstract ByteVector op(Mask<Byte> m, FOp f);
-
interface FOpm {
boolean apply(int i);
}
! abstract Mask<Byte> opm(FOpm f);
!
!
!
! // Factories
!
! @Override
! public abstract ByteVector zero();
!
! /**
! * Returns a vector where all lane elements are set to the primitive
! * value {@code e}.
! *
! * @param e the value
! * @return a vector of vector where all lane elements are set to
! * the primitive value {@code e}
! */
! public abstract ByteVector broadcast(byte e);
!
! /**
! * Returns a vector where the first lane element is set to the primtive
! * value {@code e}, all other lane elements are set to the default
! * value.
! *
! * @param e the value
! * @return a vector where the first lane element is set to the primitive
! * value {@code e}
! */
! @ForceInline
! public final ByteVector single(byte e) {
! return zero().with(0, e);
}
! /**
! * Returns a vector where each lane element is set to a randomly
! * generated primitive value.
! *
! * The semantics are equivalent to calling
! * {@code (byte)ThreadLocalRandom#nextInt()}.
! *
! * @return a vector where each lane elements is set to a randomly
! * generated primitive value
! */
! public ByteVector random() {
! ThreadLocalRandom r = ThreadLocalRandom.current();
! return op(i -> (byte) r.nextInt());
}
! /**
! * Returns a vector where each lane element is set to a given
! * primitive value.
! * <p>
! * For each vector lane, where {@code N} is the vector lane index, the
! * the primitive value at index {@code N} is placed into the resulting
! * vector at lane index {@code N}.
! *
! * @param es the given primitive values
! * @return a vector where each lane element is set to a given primitive
! * value
! * @throws IndexOutOfBoundsException if {@code es.length < this.length()}
! */
! public abstract ByteVector scalars(byte... es);
}
/**
* Finds the preferred species for an element type of {@code byte}.
* <p>
--- 1542,1604 ----
forEach(m, (n, e) -> a[i + indexMap[j + n]] = e);
}
// Species
@Override
! public abstract Species<Byte> species();
/**
* Class representing {@link ByteVector}'s of the same {@link Vector.Shape Shape}.
*/
! static final class ByteSpecies extends Vector.AbstractSpecies<Byte> {
! final Function<byte[], ByteVector> vectorFactory;
! final Function<boolean[], Vector.Mask<Byte>> maskFactory;
!
! private ByteSpecies(Vector.Shape shape,
! Class<?> boxType,
! Class<?> maskType,
! Function<byte[], ByteVector> vectorFactory,
! Function<boolean[], Vector.Mask<Byte>> maskFactory) {
! super(shape, byte.class, Byte.SIZE, boxType, maskType);
! this.vectorFactory = vectorFactory;
! this.maskFactory = maskFactory;
! }
!
interface FOp {
byte apply(int i);
}
interface FOpm {
boolean apply(int i);
}
! ByteVector op(FOp f) {
! byte[] res = new byte[length()];
! for (int i = 0; i < length(); i++) {
! res[i] = f.apply(i);
! }
! return vectorFactory.apply(res);
}
! ByteVector op(Vector.Mask<Byte> o, FOp f) {
! byte[] res = new byte[length()];
! boolean[] mbits = ((AbstractMask<Byte>)o).getBits();
! for (int i = 0; i < length(); i++) {
! if (mbits[i]) {
! res[i] = f.apply(i);
! }
! }
! return vectorFactory.apply(res);
}
! Vector.Mask<Byte> 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 byte}.
* <p>
*** 1558,1587 ****
* types will have the same shape, and therefore vectors, masks, and
* shuffles created from such species will be shape compatible.
*
* @return the preferred species for an element type of {@code byte}
*/
! @SuppressWarnings("unchecked")
! public static ByteSpecies preferredSpecies() {
return (ByteSpecies) Species.ofPreferred(byte.class);
}
/**
* Finds a species for an element type of {@code byte} and shape.
*
* @param s the shape
* @return a species for an element type of {@code byte} and shape
* @throws IllegalArgumentException if no such species exists for the shape
*/
! @SuppressWarnings("unchecked")
! public static ByteSpecies species(Vector.Shape s) {
Objects.requireNonNull(s);
switch (s) {
! case S_64_BIT: return Byte64Vector.SPECIES;
! case S_128_BIT: return Byte128Vector.SPECIES;
! case S_256_BIT: return Byte256Vector.SPECIES;
! case S_512_BIT: return Byte512Vector.SPECIES;
! case S_Max_BIT: return ByteMaxVector.SPECIES;
default: throw new IllegalArgumentException("Bad shape: " + s);
}
}
}
--- 1607,1660 ----
* types will have the same shape, and therefore vectors, masks, and
* shuffles created from such species will be shape compatible.
*
* @return the preferred species for an element type of {@code byte}
*/
! private static ByteSpecies preferredSpecies() {
return (ByteSpecies) Species.ofPreferred(byte.class);
}
/**
* Finds a species for an element type of {@code byte} and shape.
*
* @param s the shape
* @return a species for an element type of {@code byte} and shape
* @throws IllegalArgumentException if no such species exists for the shape
*/
! static ByteSpecies species(Vector.Shape s) {
Objects.requireNonNull(s);
switch (s) {
! case S_64_BIT: return (ByteSpecies) SPECIES_64;
! case S_128_BIT: return (ByteSpecies) SPECIES_128;
! case S_256_BIT: return (ByteSpecies) SPECIES_256;
! case S_512_BIT: return (ByteSpecies) SPECIES_512;
! case S_Max_BIT: return (ByteSpecies) SPECIES_MAX;
default: throw new IllegalArgumentException("Bad shape: " + s);
}
}
+
+ /** Species representing {@link ByteVector}s of {@link Vector.Shape#S_64_BIT Shape.S_64_BIT}. */
+ public static final Species<Byte> SPECIES_64 = new ByteSpecies(Shape.S_64_BIT, Byte64Vector.class, Byte64Vector.Byte64Mask.class,
+ Byte64Vector::new, Byte64Vector.Byte64Mask::new);
+
+ /** Species representing {@link ByteVector}s of {@link Vector.Shape#S_128_BIT Shape.S_128_BIT}. */
+ public static final Species<Byte> SPECIES_128 = new ByteSpecies(Shape.S_128_BIT, Byte128Vector.class, Byte128Vector.Byte128Mask.class,
+ Byte128Vector::new, Byte128Vector.Byte128Mask::new);
+
+ /** Species representing {@link ByteVector}s of {@link Vector.Shape#S_256_BIT Shape.S_256_BIT}. */
+ public static final Species<Byte> SPECIES_256 = new ByteSpecies(Shape.S_256_BIT, Byte256Vector.class, Byte256Vector.Byte256Mask.class,
+ Byte256Vector::new, Byte256Vector.Byte256Mask::new);
+
+ /** Species representing {@link ByteVector}s of {@link Vector.Shape#S_512_BIT Shape.S_512_BIT}. */
+ public static final Species<Byte> SPECIES_512 = new ByteSpecies(Shape.S_512_BIT, Byte512Vector.class, Byte512Vector.Byte512Mask.class,
+ Byte512Vector::new, Byte512Vector.Byte512Mask::new);
+
+ /** Species representing {@link ByteVector}s of {@link Vector.Shape#S_Max_BIT Shape.S_Max_BIT}. */
+ public static final Species<Byte> SPECIES_MAX = new ByteSpecies(Shape.S_Max_BIT, ByteMaxVector.class, ByteMaxVector.ByteMaxMask.class,
+ ByteMaxVector::new, ByteMaxVector.ByteMaxMask::new);
+
+ /**
+ * Preferred species for {@link ByteVector}s.
+ * A preferred species is a species of maximal bit size for the platform.
+ */
+ public static final Species<Byte> SPECIES_PREFERRED = (Species<Byte>) preferredSpecies();
}
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