// case.
func (z *Float) Sqrt(x *Float) *Float {
	if debugFloat {
		x.validate()
	}

	if z.prec == 0 {
		z.prec = x.prec
	}

	if x.Sign() == -1 {
		// following IEEE754-2008 (section 7.2)
		panic(ErrNaN{"square root of negative operand"})
	}

	// handle ±0 and +∞
	if x.form != finite {
		z.acc = Exact
		z.form = x.form
		z.neg = x.neg // IEEE754-2008 requires √±0 = ±0
		return z
	}

	}
	rawSocketSess = supportsRawSocket()
	switch runtime.GOOS {
	case "aix":
		// Unix network isn't properly working on AIX 7.2 with
		// Technical Level < 2.
		out, _ := exec.Command("oslevel", "-s").Output()
		if len(out) >= len("7200-XX-ZZ-YYMM") { // AIX 7.2, Tech Level XX, Service Pack ZZ, date YYMM
			ver := string(out[:4])
			tl, _ := strconv.Atoi(string(out[5:7]))

	_ = x[InvalidStructLit-65]
	_ = x[MissingLitField-66]
	_ = x[DuplicateLitField-67]
	_ = x[UnexportedLitField-68]
	_ = x[InvalidLitField-69]
	_ = x[UntypedLit-70]
	_ = x[InvalidLit-71]
	_ = x[AmbiguousSelector-72]
	_ = x[UndeclaredImportedName-73]
	_ = x[UnexportedName-74]
	_ = x[UndeclaredName-75]
	_ = x[MissingFieldOrMethod-76]
	_ = x[BadDotDotDotSyntax-77]
	_ = x[NonVariadicDotDotDot-78]
	_ = x[MisplacedDotDotDot-79]

	testGauge.With(kind.Value("foo")).Record(42)
	testGauge.With(kind.Value("bar")).Record(77)
	testGauge.With(kind.Value("bar")).Record(72)

	mt.Assert(testGauge.Name(), map[string]string{"kind": "foo"}, monitortest.Exactly(42))
	mt.Assert(testGauge.Name(), map[string]string{"kind": "bar"}, monitortest.Exactly(72))
}

var (
	testDerivedGauge = monitoring.NewDerivedGauge(
		"test_derived_gauge",

00000170  4a 6a cf 9b 6c 8a b7 41  ad 58 ea fe 90 43 94 77  |Jj..l..A.X...C.w|
00000180  b0 80 c9 26 79 a3 5d 89  ef 93 10 f1 37 43 07 e2  |...&y.].....7C..|
00000190  c3 af 1f 6c 46 d8 3b c6  54 c1 d4 72 ad 15 a1 b9  |...lF.;.T..r....|
000001a0  4f 72 74 f0 ed 62 3b 83  75 ab 12 5c 87 df 8e b8  |Ort..b;.u..\....|
000001b0  79 af c3 f8 e0 fb f6 b7  ab ec 67 3e ec 05 a1 69  |y.........g>...i|

000001f0  6d f5 09 87 3e f8 b8 7c  e0 89 7c 9b ca 3d bf 68  |m...>..|..|..=.h|
00000200  de 8f 68 89 02 c5 67 5a  ff 71 02 34 00 96 15 d4  |..h...gZ.q.4....|
00000210  01 6d 6d 31 dc 77 62 b8  3e 72 b0 ab 4d da ea 6d  |.mm1.wb.>r..M..m|
00000220  9a 2d 0e 5d b7 8e cc bc  5c 0a b3 13 5b 8c 86 de  |.-.]....\...[...|
00000230  e3 1a 70 cd 9d 63 4c ea  e2 56 f9 3b 05 8e 0b 96  |..p..cL..V.;....|

        task(':assemble').originPlugin.displayName == "org.gradle.language.base.plugins.LifecycleBasePlugin"
        with(task(':test')) {
            if (targetVersion > GradleVersion.version("7.2")) {
                originPlugin.displayName == "org.gradle.jvm-test-suite"
            } else {
                originPlugin.displayName == "org.gradle.java"
            }
        }

000001d0  d6 ce 5c 9f c0 4c 28 8f  36 39 ec 29 c7 33 bd ea  |..\..L(.69.).3..|
000001e0  2d 10 16 84 50 c5 18 5b  2c a3 99 bb 3b 0b 70 66  |-...P..[,...;.pf|
000001f0  72 9a 83 01 06 2a bf 4a  60 c5 5d 41 a1 f0 92 bb  |r....*.J`.]A....|
00000200  3b 2a 1a 41 3a 57 c3 22  13 2c b4 7b 3e 47 52 ea  |;*.A:W.".,.{>GR.|
00000210  79 8a bf ef 2e 2c f7 89  c7 36 5a df 38 c2 04 b6  |y....,...6Z.8...|

		// Testcase index 0
		{72 * time.Hour, "my_download_url", "3 days before the latest release"},
		{3 * time.Hour, "https://my_download_url_is_huge/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "3 hours before the latest release"},
		{-72 * time.Hour, "another_update_url", ""},
		{0, "another_update_url", ""},
		{time.Hour, "", ""},
		{0 * time.Second, "my_download_url", "now"},
		{1 * time.Second, "my_download_url", "1 second before the latest release"},

	_ = x[InvalidStructLit-65]
	_ = x[MissingLitField-66]
	_ = x[DuplicateLitField-67]
	_ = x[UnexportedLitField-68]
	_ = x[InvalidLitField-69]
	_ = x[UntypedLit-70]
	_ = x[InvalidLit-71]
	_ = x[AmbiguousSelector-72]
	_ = x[UndeclaredImportedName-73]
	_ = x[UnexportedName-74]
	_ = x[UndeclaredName-75]
	_ = x[MissingFieldOrMethod-76]
	_ = x[BadDotDotDotSyntax-77]
	_ = x[NonVariadicDotDotDot-78]
	_ = x[MisplacedDotDotDot-79]