arith

package

v0.0.0-...-1b6ad0c Latest Latest Go to latest Published: Aug 11, 2020 License: Apache-2.0 Imports: 1 Imported by: 3

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func Add32WithOverflow(a, b int32) (r int32, ok bool)
func Add32to64WithOverflow(a int32, b int64) (r int32, ok bool)
func AddWithOverflow(a, b int64) (r int64, ok bool)
func MulHalfPositiveWithOverflow(a, b int64) (r int64, ok bool)
func Sub32WithOverflow(a, b int32) (r int32, ok bool)
func Sub32to64WithOverflow(a int32, b int64) (r int32, ok bool)
func SubWithOverflow(a, b int64) (r int64, ok bool)

This section is empty.

This section is empty.

func Add32WithOverflow(a, b int32) (r int32, ok bool)

Add32WithOverflow returns a+b. If ok is false, a+b overflowed.

func Add32to64WithOverflow(a int32, b int64) (r int32, ok bool)

Add32to64WithOverflow returns a+b. If ok is false, b was outside the int32 range or a+b overflowed.

func AddWithOverflow(a, b int64) (r int64, ok bool)

AddWithOverflow returns a+b. If ok is false, a+b overflowed.

func MulHalfPositiveWithOverflow(a, b int64) (r int64, ok bool)

MulHalfPositiveWithOverflow returns a*b. b must be positive. If ok is false, a*b overflowed.

func Sub32WithOverflow(a, b int32) (r int32, ok bool)

Sub32WithOverflow returns a-b. If ok is false, a-b overflowed.

func Sub32to64WithOverflow(a int32, b int64) (r int32, ok bool)

Sub32to64WithOverflow returns a-b. If ok is false, b was outside the int32 range or a-b overflowed.

func SubWithOverflow(a, b int64) (r int64, ok bool)

SubWithOverflow returns a-b. If ok is false, a-b overflowed.

This section is empty.