func EnableKlogWithGoFlag() {
	gf := klogVerboseFlag()
	goflag.CommandLine.Var(gf.Value, "vklog", gf.Usage+". Like -v flag. ex: --vklog=9")
}

// isKlogVerbose returns true if klog verbosity is non-zero.
func klogVerbose() bool {
	gf := klogVerboseFlag()
	return gf.Value.String() != "0"
}

var (
	klogFlagSet     = &goflag.FlagSet{}
	klogFlagSetOnce = sync.Once{}
)

			os.Exit(1)
		}
	}
	// Test real closure.
	{
		x := 4
		gf = func(i int) (p int, q int, r int, s int) { return 1, i, 3, x }

		a, b, c, d := gf(2)

		if a != 1 || b != 2 || c != 3 || d != 4 {
			println("2# abcd: expected 1 2 3 4 got", a, b, c, d)
			os.Exit(1)
		}
	}
}

		t.Errorf("test.v flag (type %T) does not have IsBoolFlag method", f)
	} else if !bf.IsBoolFlag() {
		t.Error("test.v IsBoolFlag() returned false")
	}

	gf, ok := f.Value.(flag.Getter)
	if !ok {
		t.Fatalf("test.v flag (type %T) does not have Get method", f)
	}
	v := gf.Get()

	var want any
	switch *testFlagArg {
	case "":
		want = false
	case "-test.v":
		want = true
	case "-test.v=test2json":

	VLM     0(R3), V5, V8
	VPERM   V5, V5, CONST_PERM_LE2BE, V5
	VPERM   V6, V6, CONST_PERM_LE2BE, V6
	VPERM   V7, V7, CONST_PERM_LE2BE, V7
	VPERM   V8, V8, CONST_PERM_LE2BE, V8


	// Perform a GF(2) multiplication of the doublewords in V1 with
	// the reduction constants in V0.  The intermediate result is
	// then folded (accumulated) with the next data chunk in V5 and

		if x.Sign() != 0 && x.Cmp(priv.Q) < 0 {
			break
		}
	}

	priv.X = x
	priv.Y = new(big.Int)
	priv.Y.Exp(priv.G, x, priv.P)
	return nil
}

// fermatInverse calculates the inverse of k in GF(P) using Fermat's method.
// This has better constant-time properties than Euclid's method (implemented
// in math/big.Int.ModInverse) although math/big itself isn't strictly
// constant-time so it's not perfect.

00000010  b9 47 4b 47 49 af 52 88  3c 12 50 0d 65 46 f7 a1  |.GKGI.R.<.P.eF..|
00000020  50 39 c5 39 22 b3 45 e6  d3 25 44 a6 bc 3d bc 69  |P9.9".E..%D..=.i|
00000030  35 1d 61 cf a0 3c 53 77  94 67 66 ae 37 7f 3f 84  |5.a..<Sw.gf.7.?.|
00000040  17 03 03 00 17 5e 1d af  5b 7c b6 2d 19 ea 18 e0  |.....^..[|.-....|
00000050  55 47 43 e1 f2 0e 28 49  ae ef ba 86 17 03 03 00  |UGC...(I........|

00000020  15 d1 47 b2 d2 09 16 4d  08 1b dd 20 49 d9 51 42  |..G....M... I.QB|
00000030  97 cf 36 b3 74 3e 05 0a  e5 c9 97 ef 01 9c 24 34  |..6.t>........$4|
00000040  31 17 e1 8a 6a ce 37 60  02 47 46 7f c0 13 00 00  |1...j.7`.GF.....|
00000050  0d ff 01 00 01 00 00 0b  00 04 03 00 01 02 16 03  |................|
00000060  01 02 59 0b 00 02 55 00  02 52 00 02 4f 30 82 02  |..Y...U..R..O0..|

00000350  3a 97 62 98 b8 93 94 5d  a1 6b 05 17 56 5d 6e b5  |:.b....].k..V]n.|
00000360  d3 72 a6 06 77 b2 45 fe  2d 37 10 7e b8 16 16 f4  |.r..w.E.-7.~....|
00000370  70 86 56 a4 be 52 54 3e  90 7d 47 66 23 35 e9 a2  |p.V..RT>.}Gf#5..|
00000380  e9 4f 86 e2 a7 b9 20 b6  c8 9f 19 08 6b 73 93 86  |.O.... .....ks..|
00000390  d7 8d 1a 9a 00 6b cf fb  cb 32 5d 36 91 4f 39 e2  |.....k...2]6.O9.|