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mlange-42 / arche / 12591073240

03 Jan 2025 01:05AM CUT coverage: 100.0%. Remained the same
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Fix PR reference #455 in CHANGELOG (#456)

6487 of 6487 relevant lines covered (100.0%)

114915.78 hits per line

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100.0
/ecs/bitset.go
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package ecs
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// Data structure for compact storage of booleans.
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type bitSet struct {
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        data []uint64
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}
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// Get a value.
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func (b *bitSet) Get(bit eid) bool {
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        chunk, bit := bit/wordSize, bit%wordSize
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        mask := uint64(1 << bit)
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        return b.data[chunk]&mask == mask
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}
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// Set a value.
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func (b *bitSet) Set(bit eid, value bool) {
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        chunk, bit := bit/wordSize, bit%wordSize
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        if value {
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                b.data[chunk] |= uint64(1 << bit)
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        } else {
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                b.data[chunk] &= uint64(^(1 << bit))
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        }
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}
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// Reset all values.
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func (b *bitSet) Reset() {
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        for i := range b.data {
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                b.data[i] = 0
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        }
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}
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// Extend to hold at least the given bits.
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func (b *bitSet) ExtendTo(length int) {
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        chunks, bit := length/wordSize, length%wordSize
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        if bit > 0 {
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                chunks++
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        }
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        if len(b.data) >= chunks {
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                return
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        }
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        old := b.data
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        b.data = make([]uint64, chunks)
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        copy(b.data, old)
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}
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