Bump github.com/containers/storage from 1.30.1 to 1.30.2

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.30.1 to 1.30.2.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.30.1...v1.30.2)

Signed-off-by: dependabot[bot] <support@github.com>

1 files changed, 0 insertions, 936 deletions

diff --git a/vendor/github.com/pquerna/ffjson/fflib/v1/internal/atof.go b/vendor/github.com/pquerna/ffjson/fflib/v1/internal/atof.go
deleted file mode 100644
index 46c1289ec..000000000
--- a/vendor/github.com/pquerna/ffjson/fflib/v1/internal/atof.go
+++ /dev/null
@@ -1,936 +0,0 @@
-/**
- *  Copyright 2014 Paul Querna
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-/* Portions of this file are on Go stdlib's strconv/atof.go */
-
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package internal
-
-// decimal to binary floating point conversion.
-// Algorithm:
-//   1) Store input in multiprecision decimal.
-//   2) Multiply/divide decimal by powers of two until in range [0.5, 1)
-//   3) Multiply by 2^precision and round to get mantissa.
-
-import "math"
-
-var optimize = true // can change for testing
-
-func equalIgnoreCase(s1 []byte, s2 []byte) bool {
-	if len(s1) != len(s2) {
-		return false
-	}
-	for i := 0; i < len(s1); i++ {
-		c1 := s1[i]
-		if 'A' <= c1 && c1 <= 'Z' {
-			c1 += 'a' - 'A'
-		}
-		c2 := s2[i]
-		if 'A' <= c2 && c2 <= 'Z' {
-			c2 += 'a' - 'A'
-		}
-		if c1 != c2 {
-			return false
-		}
-	}
-	return true
-}
-
-func special(s []byte) (f float64, ok bool) {
-	if len(s) == 0 {
-		return
-	}
-	switch s[0] {
-	default:
-		return
-	case '+':
-		if equalIgnoreCase(s, []byte("+inf")) || equalIgnoreCase(s, []byte("+infinity")) {
-			return math.Inf(1), true
-		}
-	case '-':
-		if equalIgnoreCase(s, []byte("-inf")) || equalIgnoreCase(s, []byte("-infinity")) {
-			return math.Inf(-1), true
-		}
-	case 'n', 'N':
-		if equalIgnoreCase(s, []byte("nan")) {
-			return math.NaN(), true
-		}
-	case 'i', 'I':
-		if equalIgnoreCase(s, []byte("inf")) || equalIgnoreCase(s, []byte("infinity")) {
-			return math.Inf(1), true
-		}
-	}
-	return
-}
-
-func (b *decimal) set(s []byte) (ok bool) {
-	i := 0
-	b.neg = false
-	b.trunc = false
-
-	// optional sign
-	if i >= len(s) {
-		return
-	}
-	switch {
-	case s[i] == '+':
-		i++
-	case s[i] == '-':
-		b.neg = true
-		i++
-	}
-
-	// digits
-	sawdot := false
-	sawdigits := false
-	for ; i < len(s); i++ {
-		switch {
-		case s[i] == '.':
-			if sawdot {
-				return
-			}
-			sawdot = true
-			b.dp = b.nd
-			continue
-
-		case '0' <= s[i] && s[i] <= '9':
-			sawdigits = true
-			if s[i] == '0' && b.nd == 0 { // ignore leading zeros
-				b.dp--
-				continue
-			}
-			if b.nd < len(b.d) {
-				b.d[b.nd] = s[i]
-				b.nd++
-			} else if s[i] != '0' {
-				b.trunc = true
-			}
-			continue
-		}
-		break
-	}
-	if !sawdigits {
-		return
-	}
-	if !sawdot {
-		b.dp = b.nd
-	}
-
-	// optional exponent moves decimal point.
-	// if we read a very large, very long number,
-	// just be sure to move the decimal point by
-	// a lot (say, 100000).  it doesn't matter if it's
-	// not the exact number.
-	if i < len(s) && (s[i] == 'e' || s[i] == 'E') {
-		i++
-		if i >= len(s) {
-			return
-		}
-		esign := 1
-		if s[i] == '+' {
-			i++
-		} else if s[i] == '-' {
-			i++
-			esign = -1
-		}
-		if i >= len(s) || s[i] < '0' || s[i] > '9' {
-			return
-		}
-		e := 0
-		for ; i < len(s) && '0' <= s[i] && s[i] <= '9'; i++ {
-			if e < 10000 {
-				e = e*10 + int(s[i]) - '0'
-			}
-		}
-		b.dp += e * esign
-	}
-
-	if i != len(s) {
-		return
-	}
-
-	ok = true
-	return
-}
-
-// readFloat reads a decimal mantissa and exponent from a float
-// string representation. It sets ok to false if the number could
-// not fit return types or is invalid.
-func readFloat(s []byte) (mantissa uint64, exp int, neg, trunc, ok bool) {
-	const uint64digits = 19
-	i := 0
-
-	// optional sign
-	if i >= len(s) {
-		return
-	}
-	switch {
-	case s[i] == '+':
-		i++
-	case s[i] == '-':
-		neg = true
-		i++
-	}
-
-	// digits
-	sawdot := false
-	sawdigits := false
-	nd := 0
-	ndMant := 0
-	dp := 0
-	for ; i < len(s); i++ {
-		switch c := s[i]; true {
-		case c == '.':
-			if sawdot {
-				return
-			}
-			sawdot = true
-			dp = nd
-			continue
-
-		case '0' <= c && c <= '9':
-			sawdigits = true
-			if c == '0' && nd == 0 { // ignore leading zeros
-				dp--
-				continue
-			}
-			nd++
-			if ndMant < uint64digits {
-				mantissa *= 10
-				mantissa += uint64(c - '0')
-				ndMant++
-			} else if s[i] != '0' {
-				trunc = true
-			}
-			continue
-		}
-		break
-	}
-	if !sawdigits {
-		return
-	}
-	if !sawdot {
-		dp = nd
-	}
-
-	// optional exponent moves decimal point.
-	// if we read a very large, very long number,
-	// just be sure to move the decimal point by
-	// a lot (say, 100000).  it doesn't matter if it's
-	// not the exact number.
-	if i < len(s) && (s[i] == 'e' || s[i] == 'E') {
-		i++
-		if i >= len(s) {
-			return
-		}
-		esign := 1
-		if s[i] == '+' {
-			i++
-		} else if s[i] == '-' {
-			i++
-			esign = -1
-		}
-		if i >= len(s) || s[i] < '0' || s[i] > '9' {
-			return
-		}
-		e := 0
-		for ; i < len(s) && '0' <= s[i] && s[i] <= '9'; i++ {
-			if e < 10000 {
-				e = e*10 + int(s[i]) - '0'
-			}
-		}
-		dp += e * esign
-	}
-
-	if i != len(s) {
-		return
-	}
-
-	exp = dp - ndMant
-	ok = true
-	return
-
-}
-
-// decimal power of ten to binary power of two.
-var powtab = []int{1, 3, 6, 9, 13, 16, 19, 23, 26}
-
-func (d *decimal) floatBits(flt *floatInfo) (b uint64, overflow bool) {
-	var exp int
-	var mant uint64
-
-	// Zero is always a special case.
-	if d.nd == 0 {
-		mant = 0
-		exp = flt.bias
-		goto out
-	}
-
-	// Obvious overflow/underflow.
-	// These bounds are for 64-bit floats.
-	// Will have to change if we want to support 80-bit floats in the future.
-	if d.dp > 310 {
-		goto overflow
-	}
-	if d.dp < -330 {
-		// zero
-		mant = 0
-		exp = flt.bias
-		goto out
-	}
-
-	// Scale by powers of two until in range [0.5, 1.0)
-	exp = 0
-	for d.dp > 0 {
-		var n int
-		if d.dp >= len(powtab) {
-			n = 27
-		} else {
-			n = powtab[d.dp]
-		}
-		d.Shift(-n)
-		exp += n
-	}
-	for d.dp < 0 || d.dp == 0 && d.d[0] < '5' {
-		var n int
-		if -d.dp >= len(powtab) {
-			n = 27
-		} else {
-			n = powtab[-d.dp]
-		}
-		d.Shift(n)
-		exp -= n
-	}
-
-	// Our range is [0.5,1) but floating point range is [1,2).
-	exp--
-
-	// Minimum representable exponent is flt.bias+1.
-	// If the exponent is smaller, move it up and
-	// adjust d accordingly.
-	if exp < flt.bias+1 {
-		n := flt.bias + 1 - exp
-		d.Shift(-n)
-		exp += n
-	}
-
-	if exp-flt.bias >= 1<<flt.expbits-1 {
-		goto overflow
-	}
-
-	// Extract 1+flt.mantbits bits.
-	d.Shift(int(1 + flt.mantbits))
-	mant = d.RoundedInteger()
-
-	// Rounding might have added a bit; shift down.
-	if mant == 2<<flt.mantbits {
-		mant >>= 1
-		exp++
-		if exp-flt.bias >= 1<<flt.expbits-1 {
-			goto overflow
-		}
-	}
-
-	// Denormalized?
-	if mant&(1<<flt.mantbits) == 0 {
-		exp = flt.bias
-	}
-	goto out
-
-overflow:
-	// ±Inf
-	mant = 0
-	exp = 1<<flt.expbits - 1 + flt.bias
-	overflow = true
-
-out:
-	// Assemble bits.
-	bits := mant & (uint64(1)<<flt.mantbits - 1)
-	bits |= uint64((exp-flt.bias)&(1<<flt.expbits-1)) << flt.mantbits
-	if d.neg {
-		bits |= 1 << flt.mantbits << flt.expbits
-	}
-	return bits, overflow
-}
-
-// Exact powers of 10.
-var float64pow10 = []float64{
-	1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
-	1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
-	1e20, 1e21, 1e22,
-}
-var float32pow10 = []float32{1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10}
-
-// If possible to convert decimal representation to 64-bit float f exactly,
-// entirely in floating-point math, do so, avoiding the expense of decimalToFloatBits.
-// Three common cases:
-//	value is exact integer
-//	value is exact integer * exact power of ten
-//	value is exact integer / exact power of ten
-// These all produce potentially inexact but correctly rounded answers.
-func atof64exact(mantissa uint64, exp int, neg bool) (f float64, ok bool) {
-	if mantissa>>float64info.mantbits != 0 {
-		return
-	}
-	f = float64(mantissa)
-	if neg {
-		f = -f
-	}
-	switch {
-	case exp == 0:
-		// an integer.
-		return f, true
-	// Exact integers are <= 10^15.
-	// Exact powers of ten are <= 10^22.
-	case exp > 0 && exp <= 15+22: // int * 10^k
-		// If exponent is big but number of digits is not,
-		// can move a few zeros into the integer part.
-		if exp > 22 {
-			f *= float64pow10[exp-22]
-			exp = 22
-		}
-		if f > 1e15 || f < -1e15 {
-			// the exponent was really too large.
-			return
-		}
-		return f * float64pow10[exp], true
-	case exp < 0 && exp >= -22: // int / 10^k
-		return f / float64pow10[-exp], true
-	}
-	return
-}
-
-// If possible to compute mantissa*10^exp to 32-bit float f exactly,
-// entirely in floating-point math, do so, avoiding the machinery above.
-func atof32exact(mantissa uint64, exp int, neg bool) (f float32, ok bool) {
-	if mantissa>>float32info.mantbits != 0 {
-		return
-	}
-	f = float32(mantissa)
-	if neg {
-		f = -f
-	}
-	switch {
-	case exp == 0:
-		return f, true
-	// Exact integers are <= 10^7.
-	// Exact powers of ten are <= 10^10.
-	case exp > 0 && exp <= 7+10: // int * 10^k
-		// If exponent is big but number of digits is not,
-		// can move a few zeros into the integer part.
-		if exp > 10 {
-			f *= float32pow10[exp-10]
-			exp = 10
-		}
-		if f > 1e7 || f < -1e7 {
-			// the exponent was really too large.
-			return
-		}
-		return f * float32pow10[exp], true
-	case exp < 0 && exp >= -10: // int / 10^k
-		return f / float32pow10[-exp], true
-	}
-	return
-}
-
-const fnParseFloat = "ParseFloat"
-
-func atof32(s []byte) (f float32, err error) {
-	if val, ok := special(s); ok {
-		return float32(val), nil
-	}
-
-	if optimize {
-		// Parse mantissa and exponent.
-		mantissa, exp, neg, trunc, ok := readFloat(s)
-		if ok {
-			// Try pure floating-point arithmetic conversion.
-			if !trunc {
-				if f, ok := atof32exact(mantissa, exp, neg); ok {
-					return f, nil
-				}
-			}
-			// Try another fast path.
-			ext := new(extFloat)
-			if ok := ext.AssignDecimal(mantissa, exp, neg, trunc, &float32info); ok {
-				b, ovf := ext.floatBits(&float32info)
-				f = math.Float32frombits(uint32(b))
-				if ovf {
-					err = rangeError(fnParseFloat, string(s))
-				}
-				return f, err
-			}
-		}
-	}
-	var d decimal
-	if !d.set(s) {
-		return 0, syntaxError(fnParseFloat, string(s))
-	}
-	b, ovf := d.floatBits(&float32info)
-	f = math.Float32frombits(uint32(b))
-	if ovf {
-		err = rangeError(fnParseFloat, string(s))
-	}
-	return f, err
-}
-
-func atof64(s []byte) (f float64, err error) {
-	if val, ok := special(s); ok {
-		return val, nil
-	}
-
-	if optimize {
-		// Parse mantissa and exponent.
-		mantissa, exp, neg, trunc, ok := readFloat(s)
-		if ok {
-			// Try pure floating-point arithmetic conversion.
-			if !trunc {
-				if f, ok := atof64exact(mantissa, exp, neg); ok {
-					return f, nil
-				}
-			}
-			// Try another fast path.
-			ext := new(extFloat)
-			if ok := ext.AssignDecimal(mantissa, exp, neg, trunc, &float64info); ok {
-				b, ovf := ext.floatBits(&float64info)
-				f = math.Float64frombits(b)
-				if ovf {
-					err = rangeError(fnParseFloat, string(s))
-				}
-				return f, err
-			}
-		}
-	}
-	var d decimal
-	if !d.set(s) {
-		return 0, syntaxError(fnParseFloat, string(s))
-	}
-	b, ovf := d.floatBits(&float64info)
-	f = math.Float64frombits(b)
-	if ovf {
-		err = rangeError(fnParseFloat, string(s))
-	}
-	return f, err
-}
-
-// ParseFloat converts the string s to a floating-point number
-// with the precision specified by bitSize: 32 for float32, or 64 for float64.
-// When bitSize=32, the result still has type float64, but it will be
-// convertible to float32 without changing its value.
-//
-// If s is well-formed and near a valid floating point number,
-// ParseFloat returns the nearest floating point number rounded
-// using IEEE754 unbiased rounding.
-//
-// The errors that ParseFloat returns have concrete type *NumError
-// and include err.Num = s.
-//
-// If s is not syntactically well-formed, ParseFloat returns err.Err = ErrSyntax.
-//
-// If s is syntactically well-formed but is more than 1/2 ULP
-// away from the largest floating point number of the given size,
-// ParseFloat returns f = ±Inf, err.Err = ErrRange.
-func ParseFloat(s []byte, bitSize int) (f float64, err error) {
-	if bitSize == 32 {
-		f1, err1 := atof32(s)
-		return float64(f1), err1
-	}
-	f1, err1 := atof64(s)
-	return f1, err1
-}
-
-// oroginal: strconv/decimal.go, but not exported, and needed for PareFloat.
-
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Multiprecision decimal numbers.
-// For floating-point formatting only; not general purpose.
-// Only operations are assign and (binary) left/right shift.
-// Can do binary floating point in multiprecision decimal precisely
-// because 2 divides 10; cannot do decimal floating point
-// in multiprecision binary precisely.
-
-type decimal struct {
-	d     [800]byte // digits
-	nd    int       // number of digits used
-	dp    int       // decimal point
-	neg   bool
-	trunc bool // discarded nonzero digits beyond d[:nd]
-}
-
-func (a *decimal) String() string {
-	n := 10 + a.nd
-	if a.dp > 0 {
-		n += a.dp
-	}
-	if a.dp < 0 {
-		n += -a.dp
-	}
-
-	buf := make([]byte, n)
-	w := 0
-	switch {
-	case a.nd == 0:
-		return "0"
-
-	case a.dp <= 0:
-		// zeros fill space between decimal point and digits
-		buf[w] = '0'
-		w++
-		buf[w] = '.'
-		w++
-		w += digitZero(buf[w : w+-a.dp])
-		w += copy(buf[w:], a.d[0:a.nd])
-
-	case a.dp < a.nd:
-		// decimal point in middle of digits
-		w += copy(buf[w:], a.d[0:a.dp])
-		buf[w] = '.'
-		w++
-		w += copy(buf[w:], a.d[a.dp:a.nd])
-
-	default:
-		// zeros fill space between digits and decimal point
-		w += copy(buf[w:], a.d[0:a.nd])
-		w += digitZero(buf[w : w+a.dp-a.nd])
-	}
-	return string(buf[0:w])
-}
-
-func digitZero(dst []byte) int {
-	for i := range dst {
-		dst[i] = '0'
-	}
-	return len(dst)
-}
-
-// trim trailing zeros from number.
-// (They are meaningless; the decimal point is tracked
-// independent of the number of digits.)
-func trim(a *decimal) {
-	for a.nd > 0 && a.d[a.nd-1] == '0' {
-		a.nd--
-	}
-	if a.nd == 0 {
-		a.dp = 0
-	}
-}
-
-// Assign v to a.
-func (a *decimal) Assign(v uint64) {
-	var buf [24]byte
-
-	// Write reversed decimal in buf.
-	n := 0
-	for v > 0 {
-		v1 := v / 10
-		v -= 10 * v1
-		buf[n] = byte(v + '0')
-		n++
-		v = v1
-	}
-
-	// Reverse again to produce forward decimal in a.d.
-	a.nd = 0
-	for n--; n >= 0; n-- {
-		a.d[a.nd] = buf[n]
-		a.nd++
-	}
-	a.dp = a.nd
-	trim(a)
-}
-
-// Maximum shift that we can do in one pass without overflow.
-// Signed int has 31 bits, and we have to be able to accommodate 9<<k.
-const maxShift = 27
-
-// Binary shift right (* 2) by k bits.  k <= maxShift to avoid overflow.
-func rightShift(a *decimal, k uint) {
-	r := 0 // read pointer
-	w := 0 // write pointer
-
-	// Pick up enough leading digits to cover first shift.
-	n := 0
-	for ; n>>k == 0; r++ {
-		if r >= a.nd {
-			if n == 0 {
-				// a == 0; shouldn't get here, but handle anyway.
-				a.nd = 0
-				return
-			}
-			for n>>k == 0 {
-				n = n * 10
-				r++
-			}
-			break
-		}
-		c := int(a.d[r])
-		n = n*10 + c - '0'
-	}
-	a.dp -= r - 1
-
-	// Pick up a digit, put down a digit.
-	for ; r < a.nd; r++ {
-		c := int(a.d[r])
-		dig := n >> k
-		n -= dig << k
-		a.d[w] = byte(dig + '0')
-		w++
-		n = n*10 + c - '0'
-	}
-
-	// Put down extra digits.
-	for n > 0 {
-		dig := n >> k
-		n -= dig << k
-		if w < len(a.d) {
-			a.d[w] = byte(dig + '0')
-			w++
-		} else if dig > 0 {
-			a.trunc = true
-		}
-		n = n * 10
-	}
-
-	a.nd = w
-	trim(a)
-}
-
-// Cheat sheet for left shift: table indexed by shift count giving
-// number of new digits that will be introduced by that shift.
-//
-// For example, leftcheats[4] = {2, "625"}.  That means that
-// if we are shifting by 4 (multiplying by 16), it will add 2 digits
-// when the string prefix is "625" through "999", and one fewer digit
-// if the string prefix is "000" through "624".
-//
-// Credit for this trick goes to Ken.
-
-type leftCheat struct {
-	delta  int    // number of new digits
-	cutoff string //   minus one digit if original < a.
-}
-
-var leftcheats = []leftCheat{
-	// Leading digits of 1/2^i = 5^i.
-	// 5^23 is not an exact 64-bit floating point number,
-	// so have to use bc for the math.
-	/*
-		seq 27 | sed 's/^/5^/' | bc |
-		awk 'BEGIN{ print "\tleftCheat{ 0, \"\" }," }
-		{
-			log2 = log(2)/log(10)
-			printf("\tleftCheat{ %d, \"%s\" },\t// * %d\n",
-				int(log2*NR+1), $0, 2**NR)
-		}'
-	*/
-	{0, ""},
-	{1, "5"},                   // * 2
-	{1, "25"},                  // * 4
-	{1, "125"},                 // * 8
-	{2, "625"},                 // * 16
-	{2, "3125"},                // * 32
-	{2, "15625"},               // * 64
-	{3, "78125"},               // * 128
-	{3, "390625"},              // * 256
-	{3, "1953125"},             // * 512
-	{4, "9765625"},             // * 1024
-	{4, "48828125"},            // * 2048
-	{4, "244140625"},           // * 4096
-	{4, "1220703125"},          // * 8192
-	{5, "6103515625"},          // * 16384
-	{5, "30517578125"},         // * 32768
-	{5, "152587890625"},        // * 65536
-	{6, "762939453125"},        // * 131072
-	{6, "3814697265625"},       // * 262144
-	{6, "19073486328125"},      // * 524288
-	{7, "95367431640625"},      // * 1048576
-	{7, "476837158203125"},     // * 2097152
-	{7, "2384185791015625"},    // * 4194304
-	{7, "11920928955078125"},   // * 8388608
-	{8, "59604644775390625"},   // * 16777216
-	{8, "298023223876953125"},  // * 33554432
-	{8, "1490116119384765625"}, // * 67108864
-	{9, "7450580596923828125"}, // * 134217728
-}
-
-// Is the leading prefix of b lexicographically less than s?
-func prefixIsLessThan(b []byte, s string) bool {
-	for i := 0; i < len(s); i++ {
-		if i >= len(b) {
-			return true
-		}
-		if b[i] != s[i] {
-			return b[i] < s[i]
-		}
-	}
-	return false
-}
-
-// Binary shift left (/ 2) by k bits.  k <= maxShift to avoid overflow.
-func leftShift(a *decimal, k uint) {
-	delta := leftcheats[k].delta
-	if prefixIsLessThan(a.d[0:a.nd], leftcheats[k].cutoff) {
-		delta--
-	}
-
-	r := a.nd         // read index
-	w := a.nd + delta // write index
-	n := 0
-
-	// Pick up a digit, put down a digit.
-	for r--; r >= 0; r-- {
-		n += (int(a.d[r]) - '0') << k
-		quo := n / 10
-		rem := n - 10*quo
-		w--
-		if w < len(a.d) {
-			a.d[w] = byte(rem + '0')
-		} else if rem != 0 {
-			a.trunc = true
-		}
-		n = quo
-	}
-
-	// Put down extra digits.
-	for n > 0 {
-		quo := n / 10
-		rem := n - 10*quo
-		w--
-		if w < len(a.d) {
-			a.d[w] = byte(rem + '0')
-		} else if rem != 0 {
-			a.trunc = true
-		}
-		n = quo
-	}
-
-	a.nd += delta
-	if a.nd >= len(a.d) {
-		a.nd = len(a.d)
-	}
-	a.dp += delta
-	trim(a)
-}
-
-// Binary shift left (k > 0) or right (k < 0).
-func (a *decimal) Shift(k int) {
-	switch {
-	case a.nd == 0:
-		// nothing to do: a == 0
-	case k > 0:
-		for k > maxShift {
-			leftShift(a, maxShift)
-			k -= maxShift
-		}
-		leftShift(a, uint(k))
-	case k < 0:
-		for k < -maxShift {
-			rightShift(a, maxShift)
-			k += maxShift
-		}
-		rightShift(a, uint(-k))
-	}
-}
-
-// If we chop a at nd digits, should we round up?
-func shouldRoundUp(a *decimal, nd int) bool {
-	if nd < 0 || nd >= a.nd {
-		return false
-	}
-	if a.d[nd] == '5' && nd+1 == a.nd { // exactly halfway - round to even
-		// if we truncated, a little higher than what's recorded - always round up
-		if a.trunc {
-			return true
-		}
-		return nd > 0 && (a.d[nd-1]-'0')%2 != 0
-	}
-	// not halfway - digit tells all
-	return a.d[nd] >= '5'
-}
-
-// Round a to nd digits (or fewer).
-// If nd is zero, it means we're rounding
-// just to the left of the digits, as in
-// 0.09 -> 0.1.
-func (a *decimal) Round(nd int) {
-	if nd < 0 || nd >= a.nd {
-		return
-	}
-	if shouldRoundUp(a, nd) {
-		a.RoundUp(nd)
-	} else {
-		a.RoundDown(nd)
-	}
-}
-
-// Round a down to nd digits (or fewer).
-func (a *decimal) RoundDown(nd int) {
-	if nd < 0 || nd >= a.nd {
-		return
-	}
-	a.nd = nd
-	trim(a)
-}
-
-// Round a up to nd digits (or fewer).
-func (a *decimal) RoundUp(nd int) {
-	if nd < 0 || nd >= a.nd {
-		return
-	}
-
-	// round up
-	for i := nd - 1; i >= 0; i-- {
-		c := a.d[i]
-		if c < '9' { // can stop after this digit
-			a.d[i]++
-			a.nd = i + 1
-			return
-		}
-	}
-
-	// Number is all 9s.
-	// Change to single 1 with adjusted decimal point.
-	a.d[0] = '1'
-	a.nd = 1
-	a.dp++
-}
-
-// Extract integer part, rounded appropriately.
-// No guarantees about overflow.
-func (a *decimal) RoundedInteger() uint64 {
-	if a.dp > 20 {
-		return 0xFFFFFFFFFFFFFFFF
-	}
-	var i int
-	n := uint64(0)
-	for i = 0; i < a.dp && i < a.nd; i++ {
-		n = n*10 + uint64(a.d[i]-'0')
-	}
-	for ; i < a.dp; i++ {
-		n *= 10
-	}
-	if shouldRoundUp(a, a.dp) {
-		n++
-	}
-	return n
-}