2013-12-26 11:45:52 +00:00
|
|
|
package main
|
|
|
|
|
|
|
|
import (
|
|
|
|
"math/big"
|
|
|
|
)
|
|
|
|
|
2013-12-29 00:36:59 +00:00
|
|
|
/*
|
|
|
|
* Returns the power of two integers
|
|
|
|
*/
|
2013-12-26 11:45:52 +00:00
|
|
|
func BigPow(a,b int) *big.Int {
|
|
|
|
c := new(big.Int)
|
|
|
|
c.Exp(big.NewInt(int64(a)), big.NewInt(int64(b)), big.NewInt(0))
|
|
|
|
|
|
|
|
return c
|
|
|
|
}
|
|
|
|
|
2013-12-29 00:36:59 +00:00
|
|
|
/*
|
|
|
|
* Like big.NewInt(uint64); this takes a string instead.
|
|
|
|
*/
|
2013-12-26 11:45:52 +00:00
|
|
|
func Big(num string) *big.Int {
|
|
|
|
n := new(big.Int)
|
|
|
|
n.SetString(num, 0)
|
|
|
|
|
|
|
|
return n
|
|
|
|
}
|
|
|
|
|
2014-01-03 23:30:19 +00:00
|
|
|
/*
|
|
|
|
* Like big.NewInt(uint64); this takes a byte buffer instead.
|
|
|
|
*/
|
|
|
|
func BigD(data []byte) *big.Int {
|
|
|
|
n := new(big.Int)
|
|
|
|
n.SetBytes(data)
|
|
|
|
|
|
|
|
return n
|
|
|
|
}
|