package test

import (
	"math"
	"testing"
)

//go:noinline
func test64And(x uint64) uint64 {
	return (x &^ (1 << 63)) & 0x0F
}

func Benchmark64Bit(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = test64And(uint64(i))
	}
}

//go:noinline
func test32And(x uint32) uint32 {
	return (x &^ (1 << 31)) & 0x0F
}
func Benchmark32Bit(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = test32And(uint32(i))
	}
}

//go:noinline
func test16And(x uint16) uint16 {
	return (x &^ (1 << 15)) & 0x0F
}
func Benchmark16Bit(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = test16And(uint16(i))
	}
}

//go:noinline
func test8And(x uint8) uint8 {
	return ((x &^ (1 << 7)) & 0x0F)
}
func Benchmark8Bit(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = test8And(uint8(i))
	}
}

//go:noinline
func Abs_ssa(x float64) float64 {
	return math.Float64frombits(math.Float64bits(x) &^ (1 << 63))
}
func BenchmarkAbs(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = Abs_ssa(-1)
	}
}