misc/subcoding
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Make memory sizes parameters

Browse Source
This commit is contained in:
Ian Gulliver
2021-11-20 18:27:06 -10:00
parent bd84a5b969
commit 5af90aa6ff
15 changed files with 127 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
gen/rand.go
View File

@@ -5,7 +5,7 @@ import "math/rand"
// Generate a random uint64 with an even distribution of bits.Len64()
func RandBiasedUint64() uint64 {
// The shift-right by up to 64 (shifting it to 0) makes up for randomness
// lost by setting the high bit.
// lost by setting the high bit.
return (rand.Uint64() | 0x8000000000000000) >> rand.Intn(65)
}
@@ -29,7 +29,7 @@ func RandBiasedInt64() uint64 {
if shift < 64 {
return uint64(int64((rand.Uint64() | 0x8000000000000000) >> (shift + 1)))
} else {
return uint64(int64((rand.Uint64() | 0x8000000000000000) >> (shift - 63)) * -1)
return uint64(int64((rand.Uint64()|0x8000000000000000)>>(shift-63)) * -1)
}
}