package client

import "math"

// From wayland/wayland-util.h

func fixedToFloat64(f int32) float64 {
	u_i := (1023+44)<<52 + (1 << 51) + int64(f)
	u_d := math.Float64frombits(uint64(u_i))
	return u_d - (3 << 43)
}

func fixedFromfloat64(d float64) int32 {
	u_d := d + (3 << (51 - 8))
	u_i := int64(math.Float64bits(u_d))
	return int32(u_i)
}

func PaddedLen(l int) int {
	if (l & 0x3) != 0 {
		return l + (4 - (l & 0x3))
	}
	return l
}