// Minimax polynomial approximations
DATA coshe2<>+0(SB)/8, $0.500000000000004237e+00
GLOBL coshe2<>+0(SB), RODATA, $8
DATA coshe3<>+0(SB)/8, $0.166666666630345592e+00
GLOBL coshe3<>+0(SB), RODATA, $8
DATA coshe4<>+0(SB)/8, $0.416666664838056960e-01
GLOBL coshe4<>+0(SB), RODATA, $8
DATA coshe5<>+0(SB)/8, $0.833349307718286047e-02
GLOBL coshe5<>+0(SB), RODATA, $8
DATA coshe6<>+0(SB)/8, $0.138926439368309441e-02

Russ Cox <******@****.***> 1654274698 -0400

		}
	}
}
func TestCosh(t *testing.T) {
	for i := 0; i < len(vc); i++ {
		if f := Cosh(vc[i]); !cSoclose(cosh[i], f, 2e-15) {
			t.Errorf("Cosh(%g) = %g, want %g", vc[i], f, cosh[i])
		}
	}
	for _, v := range coshSC {
		if f := Cosh(v.in); !cAlike(v.want, f) {
			t.Errorf("Cosh(%g) = %g, want %g", v.in, f, v.want)
		}
		if math.IsNaN(imag(v.in)) || math.IsNaN(imag(v.want)) {

	0x30, 0x39,
	0x41, 0x46,
	0x61, 0x66,
}

var posixGroup = map[string]charGroup{
	`[:alnum:]`:   {+1, code4},
	`[:^alnum:]`:  {-1, code4},
	`[:alpha:]`:   {+1, code5},
	`[:^alpha:]`:  {-1, code5},
	`[:ascii:]`:   {+1, code6},
	`[:^ascii:]`:  {-1, code6},
	`[:blank:]`:   {+1, code7},
	`[:^blank:]`:  {-1, code7},
	`[:cntrl:]`:   {+1, code8},
	`[:^cntrl:]`:  {-1, code8},

Make the impossible possible, make the possible easy and make the easy elegant.

Make the impossible possible, make the possible easy and make the easy elegant.

Make the impossible possible, make the possible easy and make the easy elegant.

	}

	if sign {
		temp = -temp
	}
	return temp
}

// Cosh returns the hyperbolic cosine of x.
//
// Special cases are:
//
//	Cosh(±0) = 1
//	Cosh(±Inf) = +Inf
//	Cosh(NaN) = NaN
func Cosh(x float64) float64 {
	if haveArchCosh {
		return archCosh(x)
	}
	return cosh(x)
}

func cosh(x float64) float64 {
	x = Abs(x)
	if x > 21 {
		return Exp(x) * 0.5
	}
	ex := Exp(x)

// Complex hyperbolic cosine
//
// DESCRIPTION:
//
// ccosh(z) = cosh x  cos y + i sinh x sin y .
//
// ACCURACY:
//
//                      Relative error:
// arithmetic   domain     # trials      peak         rms
//    IEEE      -10,+10     30000       2.9e-16     8.1e-17

// Cosh returns the hyperbolic cosine of x.
func Cosh(x complex128) complex128 {
	switch re, im := real(x), imag(x); {

Customer collaboration  over contract negotiation
Responding to change over following a plan
 *** gradle.manifesto.txt ***
Make the impossible possible, make the possible easy and make the easy elegant.