// Code generated by mkfastlog2table.go; DO NOT EDIT.
// Run go generate from src/runtime to update.
// See mkfastlog2table.go for comments.

package runtime

const fastlogNumBits = 5

var fastlog2Table = [1<<fastlogNumBits + 1]float64{
	0,
	0.0443941193584535,
	0.08746284125033943,
	0.12928301694496647,
	0.16992500144231248,
	0.2094533656289499,
	0.24792751344358555,
	0.28540221886224837,
	0.3219280948873623,

	fmt.Fprintln(&buf, "var fastlog2Table = [1<<fastlogNumBits + 1]float64{")
	table := computeTable()
	for _, t := range table {
		fmt.Fprintf(&buf, "\t%v,\n", t)
	}
	fmt.Fprintln(&buf, "}")

	if err := os.WriteFile("fastlog2table.go", buf.Bytes(), 0644); err != nil {
		log.Fatalln(err)
	}
}

const fastlogNumBits = 5

func computeTable() []float64 {
	fastlog2Table := make([]float64, 1<<fastlogNumBits+1)

	xManIndex := (xBits >> (52 - fastlogNumBits)) % (1 << fastlogNumBits)
	xManScale := (xBits >> (52 - fastlogNumBits - fastlogScaleBits)) % (1 << fastlogScaleBits)

	low, high := fastlog2Table[xManIndex], fastlog2Table[xManIndex+1]
	return float64(xExp) + low + (high-low)*float64(xManScale)*fastlogScaleRatio