func cvt11(a float32) int {
	return int(a)
}

//go:noinline
func cvt12(a float32) uint {
	return uint(a)
}

//go:noinline
func f2i64p(v float64) *int64 {
	return ip64(int64(v / 0.1))
}

//go:noinline
func ip64(v int64) *int64 {
	return &v
}

func TestFloatConvert(t *testing.T) {
	if got := cvt1(3.5); got != 3 {
		t.Errorf("cvt1 got %d, wanted 3", got)
	}

	{"ip", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
	{"ip6", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
	{"ip6:ipv6-icmp", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
	{"ip6:IPv6-ICMP", "::1", &IPAddr{IP: ParseIP("::1")}, nil},

	{"ip", "::1%en0", &IPAddr{IP: ParseIP("::1"), Zone: "en0"}, nil},
	{"ip6", "::1%911", &IPAddr{IP: ParseIP("::1"), Zone: "911"}, nil},

		}
	}

	// Test functionality of IPv4 communication using AF_INET6
	// sockets.
	if !supportsIPv4map() && supportsIPv4() && (network == "tcp" || network == "udp" || network == "ip") && wildcard {
		// At this point, we prefer IPv4 when ip is nil.
		// See favoriteAddrFamily for further information.
		if ip.To16() != nil && ip.To4() == nil && cip.To4() != nil { // a pair of IPv6 server and IPv4 client
			return false
		}

	"syscall"
	_ "unsafe" // for linkname
)

// probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication
// capabilities which are controlled by the IPV6_V6ONLY socket option
// and kernel configuration.
//
// Should we try to use the IPv4 socket interface if we're only
// dealing with IPv4 sockets? As long as the host system understands
// IPv4-mapped IPv6, it's okay to pass IPv4-mapped IPv6 addresses to

	// If external IPv4 connectivity exists, we can try dialing
	// non-node/interface local scope IPv4 addresses.
	// On Windows, Lookup APIs may not return IPv4-related
	// resource records when a node has no external IPv4
	// connectivity.
	testIPv4 = flag.Bool("ipv4", true, "assume external IPv4 connectivity exists")

	// If external IPv6 connectivity exists, we can try dialing

			expectedError: true,
		},
		{
			name:         "invalid ip4, but valid DNS",
			hostport:     "259.2.3.4",
			expectedHost: "259.2.3.4",
		},
		{
			name:          "invalid ip4",
			hostport:      "1..3.4",
			expectedError: true,
		},
		{
			name:          "invalid ip4(2):port",
			hostport:      "1..3.4:1234",
			expectedError: true,
		},
		{

apiVersion: v1
kind: Service
metadata:
  name: tcp-echo
  labels:
    app: tcp-echo
    service: tcp-echo
spec:
  ipFamilyPolicy: SingleStack
  ipFamilies:
  - IPv4
  ports:
  - name: tcp
    port: 9000
  - name: tcp-other
    port: 9001
  # Port 9002 is omitted intentionally for testing the pass through filter chain.
  selector:
    app: tcp-echo
---

// MulticastSource returns a unicast IP address on ifi when ifi is an
// IP multicast-capable network interface.
//
// The provided network must be "ip", "ip4" or "ip6".
func MulticastSource(network string, ifi *net.Interface) (net.IP, error) {
	switch network {
	case "ip", "ip4", "ip6":
	default:
		return nil, errNoAvailableAddress
	}
	if ifi == nil || ifi.Flags&net.FlagUp == 0 || ifi.Flags&net.FlagMulticast == 0 {

Roland Shoemaker <******@****.***> 1623086489 -0700

	"runtime"
	"sync"
	_ "unsafe" // for linkname
)

// BUG(rsc,mikio): On DragonFly BSD and OpenBSD, listening on the
// "tcp" and "udp" networks does not listen for both IPv4 and IPv6
// connections. This is due to the fact that IPv4 traffic will not be
// routed to an IPv6 socket - two separate sockets are required if
// both address families are to be supported.
// See inet6(4) for details.