// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package rand

func GetNormalDistributionParameters() (float64, [128]uint32, [128]float32, [128]float32) {
	return rn, kn, wn, fn
}

func GetExponentialDistributionParameters() (float64, [256]uint32, [256]float32, [256]float32) {
	return re, ke, we, fe

		if match {
			wn, err = sw.WriteString(s[last:i])
			n += wn
			if err != nil {
				return
			}
			wn, err = sw.WriteString(val)
			n += wn
			if err != nil {
				return
			}
			i += keylen
			last = i
			continue
		}
		i++
	}
	if last != len(s) {
		wn, err = sw.WriteString(s[last:])
		n += wn
	}
	return
}

	{0xffe0fc00, 0x1ac05000, CRC32CB, instArgs{arg_Wd, arg_Wn, arg_Wm}, nil},
	// CRC32CH <Wd>, <Wn>, <Wm>
	{0xffe0fc00, 0x1ac05400, CRC32CH, instArgs{arg_Wd, arg_Wn, arg_Wm}, nil},
	// CRC32CW <Wd>, <Wn>, <Wm>
	{0xffe0fc00, 0x1ac05800, CRC32CW, instArgs{arg_Wd, arg_Wn, arg_Wm}, nil},
	// CRC32CX <Wd>, <Wn>, <Xm>
	{0xffe0fc00, 0x9ac05c00, CRC32CX, instArgs{arg_Wd, arg_Wn, arg_Xm}, nil},
	// CSEL <Wd>, <Wn>, <Wm>, <cond>

{"Name":"CRC32B, CRC32H, CRC32W, CRC32X","Bits":"0|0|0|1|1|0|1|0|1|1|0|Rm:5|0|1|0|0|01:2|Rn:5|Rd:5","Arch":"CRC32H variant","Syntax":"CRC32H <Wd>, <Wn>, <Wm>","Code":"","Alias":""},
{"Name":"CRC32B, CRC32H, CRC32W, CRC32X","Bits":"0|0|0|1|1|0|1|0|1|1|0|Rm:5|0|1|0|0|10:2|Rn:5|Rd:5","Arch":"CRC32W variant","Syntax":"CRC32W <Wd>, <Wn>, <Wm>","Code":"","Alias":""},

package rand

func Int31nForTest(r *Rand, n int32) int32 {
	return r.int31n(n)
}

func GetNormalDistributionParameters() (float64, [128]uint32, [128]float32, [128]float32) {
	return rn, kn, wn, fn
}

func GetExponentialDistributionParameters() (float64, [256]uint32, [256]float32, [256]float32) {
	return re, ke, we, fe

	if i := compareUint32Slices(kn[0:], testKn); i >= 0 {
		t.Errorf("kn disagrees at index %v; %v != %v", i, kn[i], testKn[i])
	}
	if i := compareFloat32Slices(wn[0:], testWn); i >= 0 {
		t.Errorf("wn disagrees at index %v; %v != %v", i, wn[i], testWn[i])
	}
	if i := compareFloat32Slices(fn[0:], testFn); i >= 0 {
		t.Errorf("fn disagrees at index %v; %v != %v", i, fn[i], testFn[i])
	}
}

//
//	sample = NormFloat64() * desiredStdDev + desiredMean
func (r *Rand) NormFloat64() float64 {
	for {
		u := r.Uint64()
		j := int32(u) // Possibly negative
		i := u >> 32 & 0x7F
		x := float64(j) * float64(wn[i])
		if absInt32(j) < kn[i] {
			// This case should be hit better than 99% of the time.
			return x
		}

		if i == 0 {
			// This extra work is only required for the base strip.
			for {

// adjust the output using:
//
//	sample = NormFloat64() * desiredStdDev + desiredMean
func (r *Rand) NormFloat64() float64 {
	for {
		j := int32(r.Uint32()) // Possibly negative
		i := j & 0x7F
		x := float64(j) * float64(wn[i])
		if absInt32(j) < kn[i] {
			// This case should be hit better than 99% of the time.
			return x
		}

		if i == 0 {
			// This extra work is only required for the base strip.
			for {

	if i := compareUint32Slices(kn[0:], testKn); i >= 0 {
		t.Errorf("kn disagrees at index %v; %v != %v", i, kn[i], testKn[i])
	}
	if i := compareFloat32Slices(wn[0:], testWn); i >= 0 {
		t.Errorf("wn disagrees at index %v; %v != %v", i, wn[i], testWn[i])
	}
	if i := compareFloat32Slices(fn[0:], testFn); i >= 0 {
		t.Errorf("fn disagrees at index %v; %v != %v", i, fn[i], testFn[i])
	}
}

00000030  16 03 03 00 40 82 78 f0  1e e6 03 20 67 66 4e d6  |....@.x.... gfN.|
00000040  93 25 69 9e 38 c6 dd 17  92 02 18 7f 5f 9c 9c f0  |.%i.8......._...|
00000050  a3 f7 45 d3 ba 82 e3 01  38 e5 4f cf 8b 0e 77 6e  |..E.....8.O...wn|
00000060  91 99 83 e0 f1 3d e8 a1  39 d4 ea b3 2e 1c 67 59  |.....=..9.....gY|
00000070  c5 5d 83 30 dc                                    |.].0.|
>>> Flow 4 (server to client)