*
 * See "The Ziggurat Method for Generating Random Variables"
 * (Marsaglia & Tsang, 2000)
 * http://www.jstatsoft.org/v05/i08/paper [pdf]
 */

const (
	rn = 3.442619855899
)

func absInt32(i int32) uint32 {
	if i < 0 {
		return uint32(-i)
	}
	return uint32(i)
}

// NormFloat64 returns a normally distributed float64 in
// the range -math.MaxFloat64 through +math.MaxFloat64 inclusive,

 *
 * See "The Ziggurat Method for Generating Random Variables"
 * (Marsaglia & Tsang, 2000)
 * http://www.jstatsoft.org/v05/i08/paper [pdf]
 */

const (
	rn = 3.442619855899
)

func absInt32(i int32) uint32 {
	if i < 0 {
		return uint32(-i)
	}
	return uint32(i)
}

// NormFloat64 returns a normally distributed float64 in
// the range -[math.MaxFloat64] through +[math.MaxFloat64] inclusive,