/
convert.go
51 lines (43 loc) · 1.53 KB
/
convert.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// Copyright 2017 Istio Authors
//
// Licensed 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 il
import "math"
// IntegerToByteCode converts a Go int64 to its byte-code form.
func IntegerToByteCode(i int64) (uint32, uint32) {
return uint32(i & 0xFFFFFFFF), uint32(i >> 32)
}
// ByteCodeToInteger extracts a Go int64 from its byte-code form.
func ByteCodeToInteger(o1, o2 uint32) int64 {
return int64(o1) + (int64(o2) << 32)
}
// DoubleToByteCode converts a Go float64 to its byte-code form.
func DoubleToByteCode(d float64) (uint32, uint32) {
u64 := math.Float64bits(d)
return uint32(u64 & 0xFFFFFFFF), uint32(u64 >> 32)
}
// ByteCodeToDouble extracts a Go float64 from its byte-code form.
func ByteCodeToDouble(o1, o2 uint32) float64 {
return math.Float64frombits(uint64(o1) + (uint64(o2) << 32))
}
// BoolToByteCode converts a Go bool to its byte-code form.
func BoolToByteCode(b bool) uint32 {
if b {
return 1
}
return 0
}
// ByteCodeToBool extracts a Go bool from its byte-code form.
func ByteCodeToBool(o uint32) bool {
return o != 0
}