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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package utils
import (
"errors"
"github.com/apache/arrow-go/v18/arrow"
)
//go:generate go run ../../arrow/_tools/tmpl -i -data=transpose_ints.tmpldata -d arch=avx2 transpose_ints_simd.go.tmpl=transpose_ints_avx2_amd64.go
//go:generate go run ../../arrow/_tools/tmpl -i -data=transpose_ints.tmpldata -d arch=sse4 transpose_ints_simd.go.tmpl=transpose_ints_sse4_amd64.go
//go:generate go run ../../arrow/_tools/tmpl -i -data=transpose_ints.tmpldata transpose_ints_s390x.go.tmpl=transpose_ints_s390x.go
//go:generate go run ../../arrow/_tools/tmpl -i -data=transpose_ints.tmpldata transpose_ints_s390x.go.tmpl=transpose_ints_arm64.go
//go:generate go run ../../arrow/_tools/tmpl -i -data=transpose_ints.tmpldata transpose_ints_noasm.go.tmpl=transpose_ints_noasm.go
//go:generate go run ../../arrow/_tools/tmpl -i -data=transpose_ints.tmpldata transpose_ints.go.tmpl=transpose_ints.go
func bufToTyped(typ arrow.DataType, buf []byte, offset, length int) (interface{}, error) {
switch typ.ID() {
case arrow.INT8:
return arrow.Int8Traits.CastFromBytes(buf)[offset : offset+length], nil
case arrow.INT16:
return arrow.Int16Traits.CastFromBytes(buf)[offset : offset+length], nil
case arrow.INT32:
return arrow.Int32Traits.CastFromBytes(buf)[offset : offset+length], nil
case arrow.INT64:
return arrow.Int64Traits.CastFromBytes(buf)[offset : offset+length], nil
case arrow.UINT8:
return arrow.Uint8Traits.CastFromBytes(buf)[offset : offset+length], nil
case arrow.UINT16:
return arrow.Uint16Traits.CastFromBytes(buf)[offset : offset+length], nil
case arrow.UINT32:
return arrow.Uint32Traits.CastFromBytes(buf)[offset : offset+length], nil
case arrow.UINT64:
return arrow.Uint64Traits.CastFromBytes(buf)[offset : offset+length], nil
}
return nil, errors.New("only accepts integral types")
}
// TransposeIntsBuffers takes the data-types, byte buffers, and offsets of a source and destination
// buffer to perform TransposeInts on with the provided mapping data.
func TransposeIntsBuffers(inType, outType arrow.DataType, indata, outdata []byte, inOffset, outOffset int, length int, transposeMap []int32) error {
src, err := bufToTyped(inType, indata, inOffset, length)
if err != nil {
return err
}
dest, err := bufToTyped(outType, outdata, outOffset, length)
if err != nil {
return err
}
return TransposeInts(src, dest, transposeMap)
}
// TransposeInts expects two integral slices and the values they map to. Returning
// an error if either src or dest are not an integral type.
func TransposeInts(src, dest interface{}, mapping []int32) error {
switch s := src.(type) {
case []int8:
switch d := dest.(type) {
case []int8:
TransposeInt8Int8(s, d, mapping)
case []int16:
TransposeInt8Int16(s, d, mapping)
case []int32:
TransposeInt8Int32(s, d, mapping)
case []int64:
TransposeInt8Int64(s, d, mapping)
case []uint8:
TransposeInt8Uint8(s, d, mapping)
case []uint16:
TransposeInt8Uint16(s, d, mapping)
case []uint32:
TransposeInt8Uint32(s, d, mapping)
case []uint64:
TransposeInt8Uint64(s, d, mapping)
}
case []int16:
switch d := dest.(type) {
case []int8:
TransposeInt16Int8(s, d, mapping)
case []int16:
TransposeInt16Int16(s, d, mapping)
case []int32:
TransposeInt16Int32(s, d, mapping)
case []int64:
TransposeInt16Int64(s, d, mapping)
case []uint8:
TransposeInt16Uint8(s, d, mapping)
case []uint16:
TransposeInt16Uint16(s, d, mapping)
case []uint32:
TransposeInt16Uint32(s, d, mapping)
case []uint64:
TransposeInt16Uint64(s, d, mapping)
}
case []int32:
switch d := dest.(type) {
case []int8:
TransposeInt32Int8(s, d, mapping)
case []int16:
TransposeInt32Int16(s, d, mapping)
case []int32:
TransposeInt32Int32(s, d, mapping)
case []int64:
TransposeInt32Int64(s, d, mapping)
case []uint8:
TransposeInt32Uint8(s, d, mapping)
case []uint16:
TransposeInt32Uint16(s, d, mapping)
case []uint32:
TransposeInt32Uint32(s, d, mapping)
case []uint64:
TransposeInt32Uint64(s, d, mapping)
}
case []int64:
switch d := dest.(type) {
case []int8:
TransposeInt64Int8(s, d, mapping)
case []int16:
TransposeInt64Int16(s, d, mapping)
case []int32:
TransposeInt64Int32(s, d, mapping)
case []int64:
TransposeInt64Int64(s, d, mapping)
case []uint8:
TransposeInt64Uint8(s, d, mapping)
case []uint16:
TransposeInt64Uint16(s, d, mapping)
case []uint32:
TransposeInt64Uint32(s, d, mapping)
case []uint64:
TransposeInt64Uint64(s, d, mapping)
}
case []uint8:
switch d := dest.(type) {
case []int8:
TransposeUint8Int8(s, d, mapping)
case []int16:
TransposeUint8Int16(s, d, mapping)
case []int32:
TransposeUint8Int32(s, d, mapping)
case []int64:
TransposeUint8Int64(s, d, mapping)
case []uint8:
TransposeUint8Uint8(s, d, mapping)
case []uint16:
TransposeUint8Uint16(s, d, mapping)
case []uint32:
TransposeUint8Uint32(s, d, mapping)
case []uint64:
TransposeUint8Uint64(s, d, mapping)
}
case []uint16:
switch d := dest.(type) {
case []int8:
TransposeUint16Int8(s, d, mapping)
case []int16:
TransposeUint16Int16(s, d, mapping)
case []int32:
TransposeUint16Int32(s, d, mapping)
case []int64:
TransposeUint16Int64(s, d, mapping)
case []uint8:
TransposeUint16Uint8(s, d, mapping)
case []uint16:
TransposeUint16Uint16(s, d, mapping)
case []uint32:
TransposeUint16Uint32(s, d, mapping)
case []uint64:
TransposeUint16Uint64(s, d, mapping)
}
case []uint32:
switch d := dest.(type) {
case []int8:
TransposeUint32Int8(s, d, mapping)
case []int16:
TransposeUint32Int16(s, d, mapping)
case []int32:
TransposeUint32Int32(s, d, mapping)
case []int64:
TransposeUint32Int64(s, d, mapping)
case []uint8:
TransposeUint32Uint8(s, d, mapping)
case []uint16:
TransposeUint32Uint16(s, d, mapping)
case []uint32:
TransposeUint32Uint32(s, d, mapping)
case []uint64:
TransposeUint32Uint64(s, d, mapping)
}
case []uint64:
switch d := dest.(type) {
case []int8:
TransposeUint64Int8(s, d, mapping)
case []int16:
TransposeUint64Int16(s, d, mapping)
case []int32:
TransposeUint64Int32(s, d, mapping)
case []int64:
TransposeUint64Int64(s, d, mapping)
case []uint8:
TransposeUint64Uint8(s, d, mapping)
case []uint16:
TransposeUint64Uint16(s, d, mapping)
case []uint32:
TransposeUint64Uint32(s, d, mapping)
case []uint64:
TransposeUint64Uint64(s, d, mapping)
}
}
return nil
}
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