mirror of
https://github.com/superseriousbusiness/gotosocial
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[chore] Bump go swagger (#2871)
* bump go swagger version * bump swagger version
This commit is contained in:
65
vendor/github.com/shopspring/decimal/rounding.go
generated
vendored
65
vendor/github.com/shopspring/decimal/rounding.go
generated
vendored
@ -80,39 +80,80 @@ func roundShortest(d *decimal, mant uint64, exp int, flt *floatInfo) {
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// would round to the original mantissa and not the neighbors.
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inclusive := mant%2 == 0
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// As we walk the digits we want to know whether rounding up would fall
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// within the upper bound. This is tracked by upperdelta:
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//
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// If upperdelta == 0, the digits of d and upper are the same so far.
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//
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// If upperdelta == 1, we saw a difference of 1 between d and upper on a
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// previous digit and subsequently only 9s for d and 0s for upper.
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// (Thus rounding up may fall outside the bound, if it is exclusive.)
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//
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// If upperdelta == 2, then the difference is greater than 1
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// and we know that rounding up falls within the bound.
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var upperdelta uint8
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// Now we can figure out the minimum number of digits required.
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// Walk along until d has distinguished itself from upper and lower.
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for i := 0; i < d.nd; i++ {
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l := byte('0') // lower digit
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if i < lower.nd {
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l = lower.d[i]
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for ui := 0; ; ui++ {
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// lower, d, and upper may have the decimal points at different
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// places. In this case upper is the longest, so we iterate from
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// ui==0 and start li and mi at (possibly) -1.
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mi := ui - upper.dp + d.dp
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if mi >= d.nd {
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break
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}
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li := ui - upper.dp + lower.dp
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l := byte('0') // lower digit
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if li >= 0 && li < lower.nd {
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l = lower.d[li]
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}
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m := byte('0') // middle digit
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if mi >= 0 {
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m = d.d[mi]
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}
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m := d.d[i] // middle digit
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u := byte('0') // upper digit
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if i < upper.nd {
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u = upper.d[i]
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if ui < upper.nd {
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u = upper.d[ui]
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}
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// Okay to round down (truncate) if lower has a different digit
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// or if lower is inclusive and is exactly the result of rounding
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// down (i.e., and we have reached the final digit of lower).
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okdown := l != m || inclusive && i+1 == lower.nd
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okdown := l != m || inclusive && li+1 == lower.nd
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switch {
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case upperdelta == 0 && m+1 < u:
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// Example:
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// m = 12345xxx
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// u = 12347xxx
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upperdelta = 2
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case upperdelta == 0 && m != u:
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// Example:
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// m = 12345xxx
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// u = 12346xxx
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upperdelta = 1
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case upperdelta == 1 && (m != '9' || u != '0'):
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// Example:
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// m = 1234598x
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// u = 1234600x
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upperdelta = 2
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}
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// Okay to round up if upper has a different digit and either upper
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// is inclusive or upper is bigger than the result of rounding up.
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okup := m != u && (inclusive || m+1 < u || i+1 < upper.nd)
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okup := upperdelta > 0 && (inclusive || upperdelta > 1 || ui+1 < upper.nd)
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// If it's okay to do either, then round to the nearest one.
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// If it's okay to do only one, do it.
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switch {
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case okdown && okup:
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d.Round(i + 1)
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d.Round(mi + 1)
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return
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case okdown:
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d.RoundDown(i + 1)
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d.RoundDown(mi + 1)
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return
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case okup:
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d.RoundUp(i + 1)
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d.RoundUp(mi + 1)
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return
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}
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}
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