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
|
package testdata
// #cgo CFLAGS: -std=gnu99
// #include <stdint.h>
// #include "MurmurHash3.cpp"
// #include "MurmurHash3.h"
import "C"
import "unsafe"
func SeedSum32(seed uint32, data []byte) uint32 {
var p unsafe.Pointer
if len(data) > 0 {
p = unsafe.Pointer(&data[0])
}
var out uint32
C.MurmurHash3_x86_32(p, C.int(len(data)), C.uint32_t(seed), unsafe.Pointer(&out))
return out
}
func SeedSum64(seed uint32, data []byte) uint64 {
var p unsafe.Pointer
if len(data) > 0 {
p = unsafe.Pointer(&data[0])
}
var out struct {
h1 uint64
h2 uint64
}
C.MurmurHash3_x64_128(p, C.int(len(data)), C.uint32_t(seed), unsafe.Pointer(&out))
return out.h1
}
func SeedSum128(seed uint32, data []byte) (h1, h2 uint64) {
var p unsafe.Pointer
if len(data) > 0 {
p = unsafe.Pointer(&data[0])
}
var out struct {
h1 uint64
h2 uint64
}
C.MurmurHash3_x64_128(p, C.int(len(data)), C.uint32_t(seed), unsafe.Pointer(&out))
return out.h1, out.h2
}
|
