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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 arrow
import (
"unsafe"
"github.com/apache/arrow-go/v18/arrow/decimal"
"github.com/apache/arrow-go/v18/arrow/endian"
)
// Decimal256 traits
var Decimal256Traits decimal256Traits
const (
Decimal256SizeBytes = int(unsafe.Sizeof(decimal.Decimal256{}))
)
type decimal256Traits struct{}
func (decimal256Traits) BytesRequired(n int) int { return Decimal256SizeBytes * n }
func (decimal256Traits) PutValue(b []byte, v decimal.Decimal256) {
for i, a := range v.Array() {
start := i * 8
endian.Native.PutUint64(b[start:], a)
}
}
// CastFromBytes reinterprets the slice b to a slice of decimal256
func (decimal256Traits) CastFromBytes(b []byte) []decimal.Decimal256 {
return GetData[decimal.Decimal256](b)
}
func (decimal256Traits) CastToBytes(b []decimal.Decimal256) []byte {
return GetBytes(b)
}
func (decimal256Traits) Copy(dst, src []decimal.Decimal256) { copy(dst, src) }
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