go-ethereum/ethutil/big.go

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2014-02-14 16:56:09 -06:00
package ethutil
import (
"math/big"
)
var BigInt0 *big.Int = big.NewInt(0)
// True
var BigTrue *big.Int = big.NewInt(1)
// False
var BigFalse *big.Int = big.NewInt(0)
// Returns the power of two integers
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
}
// Like big.NewInt(uint64); this takes a string instead.
func Big(num string) *big.Int {
n := new(big.Int)
n.SetString(num, 0)
return n
}
// 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
}