Branchless

Branchless is a Go package that provides branchless operations on integers. It assumes int is 64-bit so will not work correctly on 32-bit architecture.

Functions

Min(x, y int) int

Returns the minimum of x and y.

Max(x, y int) int

Returns the maximum of x and y.

MaxZeroAnd(x int) int

Returns 0 if x is less than 0, otherwise x.

LessThan(x, y int) int

Returns 1 if x < y, otherwise 0.

GreaterThan(x, y int) int

Returns 1 if x > y, otherwise 0.

Equal(x, y int) int

Returns 1 if x == y, otherwise 0.

NotEqual(x, y int) int

Returns 1 if x != y, otherwise 0.

LessThanEqualTo(x, y int) int

Returns 1 if x <= y, otherwise 0.

GreaterThanEqualTo(x, y int) int

Returns 1 if x >= y, otherwise 0.

Abs(x int) int

Returns the absolute value of x.

Diff(x, y int) int

Returns the absolute difference between x and y.

Sign(x int) int

Returns -1 if x < 0, 0 if x == 0, and 1 if x > 0.

IsPositive(x int) int

Returns 1 if x > 0, otherwise 0.

IsNegative(x int) int

Returns 1 if x < 0, otherwise 0.

IsZero(x int) int

Returns 1 if x == 0, otherwise 0.

IsNotZero(x int) int

Returns 1 if x != 0, otherwise 0.

Clamp(x, min, max int) int

Clamps the value x between the minimum (min) and maximum (max) values.

IsPowerOfTwo(x int) int

Returns 1 if x is a power of 2 (or is zero), otherwise 0.

IsEven(x int) int

Returns 1 if x is even, otherwise 0.

IsOdd(x int) int

Returns 1 if x is odd, otherwise 0.

Negate(x int) int

Returns the negation of x.

IsDivisibleBy(x, y int) int

Returns 1 if x is divisible by y, otherwise 0.