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Goff/djpianalto.com/goff/exts/fun.go

50 lines
847 B

package exts
import (
"fmt"
"github.com/dustinpianalto/disgoman"
"strconv"
)
func interleave(ctx disgoman.Context, args []string) {
if len(args) == 2 {
x, err := strconv.ParseInt(args[0], 10, 64)
if err != nil {
return
}
y, err := strconv.ParseInt(args[1], 10, 64)
if err != nil {
return
}
var z = int64(0)
for i := 0; i < 64; i++ {
x_masked_i := x & (1 << i)
y_masked_i := y & (1 << i)
z |= x_masked_i << i
z |= y_masked_i << (i + 1)
}
ctx.Send(string(z))
}
}
func deinterleave(ctx disgoman.Context, args []string) {
if len(args) == 1 {
z, err := strconv.ParseInt(args[0], 10, 64)
if err != nil {
return
}
var x = int64(0)
var y = int64(0)
i := 0
for z > 0 {
x |= (z & 1) << i
z >>= 1
y |= (z & 1) << i
z >>= 1
i++
}
ctx.Send(fmt.Sprintf("(%v, %v)", x, y))
}
}