RosettaCodeData/Task/Arithmetic-Integer/Go/arithmetic-integer-2.go

30 lines
923 B
Go

package main
import (
"fmt"
"math/big"
)
func main() {
var a, b, c big.Int
fmt.Print("enter two integers: ")
fmt.Scan(&a, &b)
fmt.Printf("%d + %d = %d\n", &a, &b, c.Add(&a, &b))
fmt.Printf("%d - %d = %d\n", &a, &b, c.Sub(&a, &b))
fmt.Printf("%d * %d = %d\n", &a, &b, c.Mul(&a, &b))
// Quo, Rem functions work like Go operators on int:
// quo truncates toward 0,
// and a non-zero rem has the same sign as the first operand.
fmt.Printf("%d quo %d = %d\n", &a, &b, c.Quo(&a, &b))
fmt.Printf("%d rem %d = %d\n", &a, &b, c.Rem(&a, &b))
// Div, Mod functions do Euclidean division:
// the result m = a mod b is always non-negative,
// and for d = a div b, the results d and m give d*y + m = x.
fmt.Printf("%d div %d = %d\n", &a, &b, c.Div(&a, &b))
fmt.Printf("%d mod %d = %d\n", &a, &b, c.Mod(&a, &b))
// as with int, no exponentiation operator
}