}

// Atan returns the arctangent, in radians, of x.
//
// Special cases are:
//
//	Atan(±0) = ±0
//	Atan(±Inf) = ±Pi/2
func Atan(x float64) float64 {
	if haveArchAtan {
		return archAtan(x)
	}
	return atan(x)
}

func atan(x float64) float64 {
	if x == 0 {
		return x
	}
	if x > 0 {
		return satan(x)
	}
	return -satan(-x)

	}
	sign := false
	if x < 0 {
		x = -x
		sign = true
	}
	if x > 1 {
		return NaN() // special case
	}

	temp := Sqrt(1 - x*x)
	if x > 0.7 {
		temp = Pi/2 - satan(temp/x)
	} else {
		temp = satan(x / temp)
	}

	if sign {
		temp = -temp
	}
	return temp
}

// Acos returns the arccosine, in radians, of x.
//
// Special case is:
//
//	Acos(x) = NaN if x < -1 or x > 1

	}
	clientID := u.String()

	connOpts := []stan.Option{stan.NatsURL(addressURL)}
	if n.Streaming.MaxPubAcksInflight > 0 {
		connOpts = append(connOpts, stan.MaxPubAcksInflight(n.Streaming.MaxPubAcksInflight))
	}
	if n.UserCredentials != "" {
		connOpts = append(connOpts, stan.NatsOptions(nats.UserCredentials(n.UserCredentials)))
	}

	return stan.Connect(n.Streaming.ClusterID, clientID, connOpts...)
}

			}
		}
		switch {
		case IsInf(y, 0):
			return Copysign(3*Pi/4, y)
		default:
			return Copysign(Pi, y)
		}
	case IsInf(y, 0):
		return Copysign(Pi/2, y)
	}

	// Call atan and determine the quadrant.
	q := Atan(y / x)
	if x < 0 {
		if q <= 0 {
			return q + Pi
		}
		return q - Pi
	}
	return q

mit
også
under
have
dig
anden
hende
mine
alt
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sit
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mod
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hvis
din
nogle
hos
blive
mange
ad
bliver
hendes
været
thi
jer

eller
allt
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denna
själv
detta
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utan
varit
hur
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mitt
ni
bli
blev
oss
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dessa
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blir
mina
samma
vilken
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sådan
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dess
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mellan
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varför
varje
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ditt
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vilket
sitta
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}

TEST_F(CWiseUnaryGradTest, Atan) {
  auto x_fn = [this](const int i) { return RV({0, -1, 1, -2, 2, -3, 3}); };
  TestCWiseGrad<float, float>(ATAN, x_fn);
}

TEST_F(CWiseUnaryGradTest, Atan_Complex) {
  auto x_fn = [this](const int i) {
    return CRV({{1, 0}, {0, 1}, {2, -1}, {1, 2}, {3, 4}});
  };
  // TODO(kbsriram)
  // Add test when the atan kernel supports complex numbers

func ExampleAsin() {
	fmt.Printf("%.2f", math.Asin(0))
	// Output: 0.00
}

func ExampleAsinh() {
	fmt.Printf("%.2f", math.Asinh(0))
	// Output: 0.00
}

func ExampleAtan() {
	fmt.Printf("%.2f", math.Atan(0))
	// Output: 0.00
}

func ExampleAtan2() {
	fmt.Printf("%.2f", math.Atan2(0, 0))
	// Output: 0.00
}

func ExampleAtanh() {
	fmt.Printf("%.2f", math.Atanh(0))
	// Output: 0.00
}

 stanConnection, _ = stan.Connect("test-cluster", "test-client", stan.NatsURL("nats://yourusername:yoursecret@0.0.0.0:4222"), stan.SetConnectionLostHandler(func(c stan.Conn, _ error) {
  go func() {
   for {
    // Reconnect if the connection is lost.
    if stanConnection == nil || stanConnection.NatsConn() == nil ||  !stanConnection.NatsConn().IsConnected() {

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