go/src/math/lgamma.go

var _lgamA

var _lgamR

var _lgamS

var _lgamT

var _lgamU

var _lgamV

var _lgamW

// Lgamma returns the natural logarithm and sign (-1 or +1) of [Gamma](x).
//
// Special cases are:
//
//	Lgamma(+Inf) = +Inf
//	Lgamma(0) = +Inf
//	Lgamma(-integer) = +Inf
//	Lgamma(-Inf) = -Inf
//	Lgamma(NaN) = NaN
func Lgamma(x float64) (lgamma float64, sign int) {}

// sinPi(x) is a helper function for negative x
func sinPi(x float64) float64 {}